Cambodia - Things to Do in Cambodia in September

Things to Do in Cambodia in September

September weather, activities, events & insider tips

Good time to visit Low Season · Budget Friendly

September Weather in Cambodia

Temperature, rainfall and humidity at a glance

89°F (32°C) High Temp
75°F (24°C) Low Temp
10.7 inches (272 mm) Rainfall
70% Humidity
⚠ Heavy rainfall expected, carry rain gear daily

Is September Right for You?

Weigh the advantages and considerations before booking

Advantages
  • + Rice paddies around Battambang and Kampot glow emerald green, creating the most photogenic landscapes of the year. Grab your camera early. The light is softer. Farmers wave as you pass.
  • + Hotel rates drop 30-40% from peak season - you'll find luxury riverside rooms in Kampot for the price of basic guesthouses in December. Book two nights. Thank me later.
  • + The Tonlé Sap lake reaches its highest water levels, making floating village tours through Kompong Phluk spectacular. Boats glide past treetops. Kids dive from porches.
  • + Local mango season peaks in September - the sweet Keo Romeat variety appears at every market, impossible to find in dry season. Eat them chilled. Juice runs down your wrist.
  • + Angkor Wat sunrise crowds thin dramatically - you'll share the reflecting pond with 50 people instead of 500. Silence returns. Dawn feels sacred again.
Considerations
  • Afternoon thunderstorms hit 2-4 days per week, typically between 3-6 PM, forcing you indoors during prime temple photography hours. Plan temple interiors then. Carry a poncho.
  • Rural roads to remote temples like Beng Mealea can turn to red mud within minutes, making tuk-tuk travel slow and messy. Wear old shoes. Bring plastic bags for cameras.
  • The humidity feels like breathing through a wet cloth - your clothes will be soaked through by 9 AM even without rain. Pack extra shirts. Laundry dries slowly.

Year-Round Climate

How September compares to the rest of the year

Monthly Climate Data for Cambodia Average temperature and rainfall by month Climate Overview 16°C 22°C 28°C 34°C 40°C Rainfall (mm) 0 135 271 Jan Jan: 31.0°C high, 21.0°C low, 13mm rain Feb Feb: 33.0°C high, 22.0°C low, 8mm rain Mar Mar: 34.0°C high, 24.0°C low, 36mm rain Apr Apr: 35.0°C high, 25.0°C low, 79mm rain May May: 34.0°C high, 25.0°C low, 119mm rain Jun Jun: 33.0°C high, 24.0°C low, 145mm rain Jul Jul: 32.0°C high, 24.0°C low, 163mm rain Aug Aug: 32.0°C high, 24.0°C low, 183mm rain Sep Sep: 32.0°C high, 24.0°C low, 272mm rain Oct Oct: 31.0°C high, 24.0°C low, 249mm rain Nov Nov: 31.0°C high, 23.0°C low, 119mm rain Dec Dec: 30.0°C high, 21.0°C low, 33mm rain Temperature Rainfall
MonthHighLowRainfall
Jan31°C21°C0.5 inches (13 mm)
Feb33°C22°C0.3 inches (8 mm)
Mar34°C24°C1.4 inches (36 mm)
Apr35°C25°C3.1 inches (79 mm)
May34°C25°C4.7 inches (119 mm)
Jun33°C24°C5.7 inches (145 mm)
Jul32°C24°C6.4 inches (163 mm)
Aug32°C24°C7.2 inches (183 mm)
Sep32°C24°C10.7 inches (272 mm)
Oct31°C24°C9.8 inches (249 mm)
Nov31°C23°C4.7 inches (119 mm)
Dec30°C21°C1.3 inches (33 mm)

Best Activities in September

Top things to do during your visit

Cambodia in September is a transition. The heavy tropical air smells of damp earth and charcoal smoke. Short, intense downpours still arrive most afternoons. This month, the spiritual calendar takes precedence. Families gather at wats before sunrise for Pchum Ben. Their prayers and the clinking of ceremonial bells sound under canopies of incense. The cities slow down. In the countryside, the Kampot Pepper Harvest Festival brings lively energy. The sharp aroma of fresh peppercorns drying in the sun fills the riverbanks. Travelers here see a nation balancing reverence with the quiet work of harvest.

Siem Reap Angkor Airport Taxis (from Airport to Hotel)

Siem Reap Angkor Airport Taxis (from Airport to Hotel)

transport
5.0 355 reviews from $44

You leave the cool arrivals hall at Siem Reap Angkor Airport. A wall of humid air hits you. There is organized chaos with taxis and tuk-tuks. A pre-booked airport taxi provides an easy escape. It takes you into the fading light of a September afternoon. The road into town passes glistening wet rice paddies. You might see a monk's saffron robe against the gray sky.

15-30 minutes Moderate Late afternoon. This avoids the heaviest rain showers that often come mid-afternoon.
It guarantees a fixed-rate, air-conditioned ride straight to your hotel. You will not need to negotiate after a long flight.
Insider tip: Have your hotel's name and address written in Khmer script. Show this to your driver. English pronunciation of local places can vary.
Private 3-Days tour at comfortable areas

Private 3-Days tour at comfortable areas

guided_experience
5.0 119 reviews from $320

This private tour examines Cambodia's comfortable areas over three days. You move at a pace set by the morning's weather and your own curiosity. You might trace the bas-reliefs of a lesser-known temple between rain showers. Or you could sip iced coffee in a café during a sudden downpour.

3 days Expensive Morning starts are ideal. They maximize daylight before potential afternoon rain.
The flexibility lets you adapt to September conditions. Visit indoor cultural sites during afternoon rains. Do open-air exploration in the cooler, drier mornings.
Insider tip: Ask your guide to visit a local market early one morning. You will see mist-covered piles of tropical fruit. You will hear the sizzle of breakfast stalls. It is a sensory experience heightened by the harvest season.
Siem Reap: One-Way Transfer from Hotel to Airport (SAI)

Siem Reap: One-Way Transfer from Hotel to Airport (SAI)

other
5.0 162 reviews from $20

The ride from your Siem Reap hotel to the airport is a final chance to see the city. You might smell frying noodles from a street cart. You could see children in crisp white shirts heading to school. This pre-arranged transfer removes timing uncertainty. You will not get caught in a sudden downpour while looking for transport.

15-30 minutes Budget Morning. Roads are less congested then, and rain is less likely.
It provides reliable, punctual service for your departing flight. This is important in September. Spontaneous street flooding can briefly disrupt traffic.
Insider tip: Schedule your pickup at least four hours before your international flight. This accounts for any weather-related delays on the road to the airport.
4-Day Excursion of Angkor, Koh Ker, Beng Mealea, Tonle Sap and Waterfalls

4-Day Excursion of Angkor, Koh Ker, Beng Mealea, Tonle Sap and Waterfalls

day_trip
5.0 87 reviews from $249

This four-day trip goes beyond the main Angkor complex. You visit places where nature reclaims the stone. At Beng Mealea, you climb over moss-slicked rubble under a dense, buzzing canopy. The journey includes the algae-green reservoirs of Koh Ker. It also has a boat trip on Tonle Sap lake. You will feel cool spray and see floating villages adjust to the lake's swollen September levels.

4 days Moderate Multi-day tours operate throughout the week.
It combines the well-known with the remote. It shows the scale of the Khmer empire and the powerful seasonal rhythms of the great lake.
Insider tip: Pack a high-quality rain poncho and waterproof bags for your camera. Exploring Beng Mealea in September often means walking through gentle drips from the canopy. This happens even when it is not actively raining.
Private Temples Guided Tour (Angkor Wat, Ta Prom & Angkor Thom)

Private Temples Guided Tour (Angkor Wat, Ta Prom & Angkor Thom)

cultural
5.0 82 reviews from $56

A private guided tour of Angkor Wat, Ta Prohm, and Angkor Thom gives you a scholar's context. You avoid the largest crowds. In the soft, overcast light of a September morning, the carved devatas on Angkor Wat's walls seem to emerge from the stone. The tangled roots of Ta Prohm feel damp and cool under the jungle shade.

Full day Moderate Very early morning
Your guide can lead you to sheltered areas of the vast complexes. You can continue the narrative uninterrupted when brief September rains start.
Insider tip: Aim to enter Angkor Wat at sunrise. Do not go for the classic sunset view, which clouds often obscure this month. See the first light catch the lotus bud towers without the peak-season crowds.
Phnom Penh Bike & Boat Sunset Tour / E-Bike Available

Phnom Penh Bike & Boat Sunset Tour / E-Bike Available

adventure
5.0 64 reviews from $55

This Phnom Penh tour moves through the city's busy streets on a bicycle. The warm evening air carries smells of grilled meat and exhaust. Then you transition to a quiet boat on the Tonle Sap river. The sky shifts to deep oranges and purples. You will hear melodic chant from a riverside wat. You will feel the engine's gentle vibration as you glide past the illuminated Royal Palace. Its golden spires reflect on the dark water.

3-4 hours Moderate Late afternoon, starting around 4 PM.
It captures the contrast of Phnom Penh's street-level energy and its serene riverine perspective. This happens at the most beautiful time of day.
Insider tip: Choose the e-bike option. It helps you navigate the city's humid September evenings without effort. You will conserve your energy for the boat cruise.

Where to Stay in Cambodia in September

Hand-picked hotels across price tiers for September travellers.

Phnom Penh Infinity Pool Down to $25/N - M Residence in Cambodia
★★★ Budget

Phnom Penh Infinity Pool Down to $25/N - M Residence

8.7 Very good · 3343 reviews
From $43 / night
Check Prices on Trip.com →

September Events & Festivals

What's happening during your visit

Mid September
Pchum Ben (Ancestors' Day)

Cambodians pack temples before dawn to offer sticky rice balls to deceased relatives - you'll witness processions of saffron-robed monks receiving offerings while incense smoke mingles with morning mist. The royal palace's Silver Pagoda opens special areas usually closed to visitors. Kneel when others kneel.

Late September
Kampot Pepper Harvest Festival

The world's most expensive pepper ripens in September - farmers demonstrate traditional harvesting techniques while street vendors sell pepper crab straight from the ocean. The aroma of drying peppercorns fills the entire riverside district. Sneezing is normal.

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Essential Tips

Insider knowledge and common pitfalls to avoid

Insider Knowledge
Book accommodations with backup generators - September storms knock out power 2-3 times weekly in rural areas. Charge devices early. Keep power banks ready. The 6:30 AM monk alms ceremony at Wat Langka in Phnom Penh happens rain or shine. But monks walk faster in storms - arrive early. Bring dry rice. Bow low. Local buses to Siem Reap from Bangkok run half-empty in September - you can negotiate seat upgrades for the price of a coffee. Stretch out. Sleep better. Mango sticky rice tastes better during storms when vendors keep rice warm longer - look for steam rising from bamboo baskets. Eat immediately. Share rarely.
Avoid These Mistakes
Trying to visit Koh Rong - boat services run reduced schedules and half the island closes for maintenance. Pick another month. Save money. Wearing jeans to temples - they never dry in the humidity and chafe mercilessly when wet. Choose quick-dry pants. Thank your skin. Booking afternoon temple tours - you'll get trapped by storms with zero shelter at remote sites. Mornings rule. Plan wisely.
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