Siem Reap in September (2026)
Verdict: Go with caveats
September is an okay time to visit Siem Reap, with some trade-offs. Warm, wettest month, temperatures around 30°C/24°C. The upside: low prices and low crowds.
Weather
30°C/24°C · Warm, wettest month
Crowds
Low
Daily budget
₹3,000–₹10,300/day
Temperature
30°C/24°C
Weather
Warm, wettest month
Crowds
Low
Prices
Low
September vs the best time to visit Siem Reap
The best months to visit Siem Reap are November, December, January, February. September sits outside peak season, which often means better value and thinner crowds.
See the full month-by-month guide →Things to do in Siem Reap in September
Angkor Wat Sunrise
The world's largest religious monument, best seen at dawn when its five towers silhouette against the reflecting pool.
Bayon Temple
A temple within Angkor Thom famous for its 200+ serene stone faces carved into its towers.
Ta Prohm
A jungle-swallowed temple where giant tree roots grow through the stonework, made famous by "Tomb Raider."
Banteay Srei
A small pink sandstone temple with exceptionally intricate carvings, considered a jewel of Khmer art.
Tonle Sap Floating Villages
Communities living entirely on stilts or boats atop Southeast Asia's largest freshwater lake.
Phare Circus
A Cambodian contemporary circus performed by graduates of an arts school supporting disadvantaged youth.
Siem Reap in September — FAQs
Is September a good time to visit Siem Reap?
September is an okay time to visit Siem Reap, with some trade-offs. Warm, wettest month, temperatures around 30°C/24°C. The upside: low prices and low crowds.
Is Siem Reap expensive in September?
September is a low-price month in Siem Reap, with low crowds and daily costs around ₹3,000–₹10,300/day per person. The best-value strategy: take advantage of off-peak rates on stays and activities.
What should I pack for Siem Reap in September?
Pack for temperatures around 30°C/24°C. Light layers work well, with something warmer for evenings. Heaviest rainfall, Tonle Sap at its fullest
Full Travel Guide
Planning a Siem Reap trip in September?
Things to do, where to stay, budgets and local tips — all free.