Climate guide for Phnom Penh, Cambodia

Phnom Penh in September

Weather, crowds & best time to visit

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

September · Cambodia

Best time to visit Phnom Penh in SeptemberWeather, crowds & prices

September score

3.4/10

Ranked #10 of 12 months

Full year for Phnom Penh
Avg temp
27°C
Rainfall
375 mm
Humidity
87%
Sunny days
25
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Phnom Penh scores 3.4/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 27°C, 375 mm of rain, and roughly 25 sunny days this month.

Riverside boulevards and heavy-history museums peak 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 Phnom Penh in September?
In September, Phnom Penh averages 27°C, 375 mm of rain, and about 25 sunny days. Its climate-comfort score is 3.4/10.
Is September a good time to visit Phnom Penh?
September earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Phnom Penh in September?
Expect about 375 mm of rain in September. Average humidity is 87% and there are about 25 sunny days.

Curated in Phnom Penh

Tickets & experiences

Things to do in Phnom Penh

Phnom Penh, Cambodia. Live activities and tours from GetYourGuide, matched to this destination.