| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Chiang Mai in September is hot at 26.5 °C (79.7 °F).
- Afternoons can be very hot with average high temperatures reaching 31 °C (87.8 °F).
- Overnight temperatures are generally fairly hot with an average low of 23 °C (73.4 °F).
- In September the average diurnal temperature variation/ range is 8 °C (14.4 °F).
- The weather in September is quite sopping with rain at intervals. A sizable 228mm (9in) of liquid is deposited during on average 18 days.
- The skies in Chiang Mai are slightly fair with on balance an unexceptional 5:21 of intense sunshine daily.
- The shortest day is 11:57 long and the longest day is 12:28 long with an average length of 12:12.
- There are approximately 6:44 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 44.3% of daylight hours and cloudy 55.7% of daylight hours.
Check the distance to and compare the Chiang Mai September averages with somewhere beginning with:
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Weather Trend Graph for September in Chiang Mai, Thailand
Navigate to September Weather in Locations Surrounding Chiang Mai:
- Kengtung, Myanmar - 289.3 kms (179.8 miles) NNE
- Chiang Rai, Thailand - 163.4 kms (101.5 miles) NE
- Nan/ Muang Nan, Thailand - 189 kms (117.4 miles) E
- Lampang, Thailand - 78.8 kms (49 miles) SE
- Phrae, Thailand - 144.8 kms (90 miles) ESE
- Uttaradit East, Thailand - 174.5 kms (108.4 miles) SE
- Loei, Thailand - 326.6 kms (203 miles) ESE
- Bhumibol Dam, Thailand - 169.8 kms (105.5 miles) S
- Tak, Thailand - 211 kms (131.1 miles) S
- Phitsanulok/ Sarit, Thailand - 259.5 kms (161.3 miles) SSE
- Phetchabun, Thailand - 347.9 kms (216.2 miles) SE