Climate guide for Siem Reap, Cambodia

Siem Reap in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Cambodia

Best time to visit Siem Reap in SeptemberWeather, crowds & prices

September score

3.3/10

Ranked #11 of 12 months

Full year for Siem Reap
Avg temp
27°C
Rainfall
393 mm
Humidity
88%
Sunny days
19
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Siem Reap scores 3.3/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 27°C, 393 mm of rain, and roughly 19 sunny days this month.

Temple towers rising from jungle canopy work best in January-March.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Siem Reap in September?
In September, Siem Reap averages 27°C, 393 mm of rain, and about 19 sunny days. Its climate-comfort score is 3.3/10.
Is September a good time to visit Siem Reap?
September earns a 3.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Siem Reap in September?
Expect about 393 mm of rain in September. Average humidity is 88% and there are about 19 sunny days.

Curated in Siem Reap

Tickets & experiences

Things to do in Siem Reap

Siem Reap, Cambodia. Live activities and tours from GetYourGuide, matched to this destination.