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Photo by Stefan Fussan, CC BY-SA 3.0, via Wikimedia Commons.
Chiang Mai in September
avoid · not the best time to go
The year in Chiang Mai
Tap a month for its page
- JanJChiang Mai in January: sweet spot, busy
- FebFChiang Mai in February: sweet spot, busy
- MarMChiang Mai in March: ok
- AprAChiang Mai in April: avoid
- MayMChiang Mai in May: avoid
- JunJChiang Mai in June: avoid
- JulJChiang Mai in July: avoid
- AugAChiang Mai in August: avoid
- SepSChiang Mai in September: avoid
- OctOChiang Mai in October: ok
- NovNChiang Mai in November: sweet spot, busy
- DecDChiang Mai in December: sweet spot, busy
- Sweet spot
- Good
- OK
- Avoid
- Busy
Plan this trip
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Where to stay
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Things to do
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Travel insurance
Check whether your bank card or home insurance already covers this trip.
If the trip needs a visa, the travel agent or visa centre usually sells the cover it asks for.
Mobile data (eSIM)
Your own plan's EU roaming may already cover this.
Renting a pocket Wi-Fi is the other common way to stay connected.
These are sites people in book with. Each opens in a new tab, on the site's own pages.
The numbers
| Daily high | 30°C |
|---|---|
| Nightly low | 23°C |
| Feels like, afternoon | 36°C |
| Rainy days, 1 mm or more | 17 · 343 mm |
| Humidity | 86% |
| Sunshine | 9.1 h/day |
| Daylight | 12.2 h/day |
| Crowds | 100 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.
Weather read at the old city: ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.
How busy it gets
Chiang Mai in pictures
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Vyacheslav Argenberg, CC BY 4.0, via Wikimedia Commons
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Stefan Fussan, CC BY-SA 3.0, via Wikimedia Commons
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Stefan Fussan, CC BY-SA 3.0, via Wikimedia Commons
What to pack
- Summer clothes by day, highs around 30°C.
- Rain gear you will actually use: about 17 rainy days and 343 mm.
- Sun protection: about 9 hours of sunshine a day.
- Humidity averages 86%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
Type A and B and C and F plugs at 220 V. Drives on the left. The currency is the Baht. UK Foreign Office: avoid all but essential travel to parts. Global Affairs Canada: Exercise a high degree of caution (with regional advisories). US State Department: Level 1: Exercise Normal Precautions. Everything for Thailand: cost of living, languages, emergency numbers and health.
On arrival in Chiang Mai: the apps, paying, getting around, tipping and the emergency numbers.
September elsewhere
In September from
The other months at Chiang Mai
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