September · Thailand
Best time to visit Chiang Rai in SeptemberWeather, crowds & prices
September score
3.6/10
Ranked #12 of 12 months
- Avg temp
- 26°C
- Rainfall
- 245 mm
- Humidity
- 83%
- Sunny days
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Chiang Rai scores 3.6/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 26°C, 245 mm of rain, and roughly 15 sunny days this month.
Chiang Rai rewards city wandering in Thailand most clearly through the drier months outside peak monsoon.
Frequently asked
- What is the weather like in Chiang Rai in September?
- In September, Chiang Rai averages 26°C, 245 mm of rain, and about 15 sunny days. Its climate-comfort score is 3.6/10.
- Is September a good time to visit Chiang Rai?
- September earns a 3.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Chiang Rai in September?
- Expect about 245 mm of rain in September. Average humidity is 83% and there are about 15 sunny days.
Curated in Chiang Rai
Tickets & experiences
Things to do in Chiang Rai
Chiang Rai, Thailand. Live activities and tours from GetYourGuide, matched to this destination.