Chiang Mai

Chiang Mai Province Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Chiang Mai Province, Thailand in September.

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Chiang Mai Mae Rim Hang Dong Chiang Dao

Planning a getaway to Chiang Mai Province, Thailand this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Chiang Mai Province in September

Chiang Mai Province, Thailand is a region in Thailand. September in Chiang Mai Province generally has very warm temperatures, with heavy precipitation.

Temperatures

The average maximum temperatures are very warm and range from 30°C (86°F) in Ban Pa Pae to 33°C (91°F) in Lamphun. Nighttime temperatures generally drop to 24°C (75°F) in Lamphun and 22°C (72°F) in Ban Pa Pae. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For specific regional insights in Chiang Mai Province, Thailand, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Chom Thong with an average of 214 mm (8.4 in) to heavy rainfall in Mae On with 308 mm (12 in).

Average sunshine

Sunshine levels are moderate in most locations. Chiang Mai typically sees 148 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Chiang Mai Province by month

Pick a month to see the average temperature, rainfall and sunshine in Chiang Mai Province — and find the best time to visit. (based on Chiang Mai)

January31°C (88°F) February34°C (93°F) March37°C (99°F) April38°C (100°F) May36°C (97°F) June34°C (93°F) This monthJuly33°C (91°F) August32°C (90°F) September33°C (91°F) October32°C (90°F) November31°C (88°F) December30°C (86°F)
Best Time to Visit Chiang Mai Province →

Best Places to Visit in Chiang Mai Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Chiang Mai Province.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Chiang Mai Province

What is the weather like in September for some of the most popular destinations in Chiang Mai Province, Thailand?

Temperature range in Chiang Mai Province (September)

Precipitation variation in Chiang Mai Province (September)

Chiang Mai

In September Chiang Mai generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
33°C (91°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
22°C (72°F)
Monthly sun hours
116 hours
148 hours
202 hours
Monthly rainfall
260 mm (10 in)
249 mm (9.8 in)
123 mm (4.8 in)
Monthly rainy days
21 days
18 days
12 days
Weather conditions
poor
poor
tolerable
Climate in Chiang Mai →

Mae Rim

In September Mae Rim generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
32°C (90°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
116 hours
148 hours
202 hours
Monthly rainfall
305 mm (12 in)
269 mm (11 in)
130 mm (5.1 in)
Monthly rainy days
21 days
18 days
12 days
Weather conditions
poor
poor
tolerable
Climate in Mae Rim →

Hang Dong

In September Hang Dong generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
33°C (91°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
22°C (72°F)
Monthly sun hours
116 hours
148 hours
202 hours
Monthly rainfall
275 mm (11 in)
255 mm (10 in)
128 mm (5 in)
Monthly rainy days
21 days
18 days
12 days
Weather conditions
poor
poor
tolerable
Climate in Hang Dong →

Chiang Dao

In September Chiang Dao generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
23°C (73°F)
22°C (72°F)
21°C (70°F)
Monthly sun hours
116 hours
148 hours
202 hours
Monthly rainfall
294 mm (12 in)
240 mm (9.4 in)
114 mm (4.5 in)
Monthly rainy days
23 days
19 days
13 days
Weather conditions
poor
poor
tolerable
Climate in Chiang Dao →

San Sai

In September San Sai generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
22°C (72°F)
Monthly sun hours
116 hours
148 hours
202 hours
Monthly rainfall
283 mm (11 in)
263 mm (10 in)
129 mm (5.1 in)
Monthly rainy days
20 days
18 days
12 days
Weather conditions
poor
poor
tolerable
Climate in San Sai →

Is your destination not in the list? Have a look at all destinations in Chiang Mai Province, in Thailand.

Popular cities in September

Day & night temperatures, rainfall and average weather in Chiang Mai Province in September.

City Weather Day temp Night temp Rainfall
Chiang Mai 33°C (91°F) 24°C (75°F) 249 mm (9.8 in)
Mae Rim 32°C (90°F) 23°C (73°F) 269 mm (11 in)
Hang Dong 33°C (91°F) 24°C (75°F) 255 mm (10 in)
Chiang Dao 31°C (88°F) 22°C (72°F) 240 mm (9.4 in)
San Sai 32°C (90°F) 24°C (75°F) 263 mm (10 in)
Doi Saket 32°C (90°F) 23°C (73°F) 290 mm (11 in)

Chiang Mai Province weather in September: frequently asked questions

What is the weather like in Chiang Mai Province, Thailand in September?

Chiang Mai Province, Thailand typically experiences poor weather in September, part of the season. Daytime highs in Chiang Mai average around 33°C (91°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in Chiang Mai Province, Thailand in September?

Daytime temperatures in Chiang Mai peak at roughly 33°C (91°F) in September, dropping to about 24°C (75°F) overnight.

Does Chiang Mai Province, Thailand get a lot of rain in September?

Expect plenty of rainfall. Chiang Mai records an average of 249 mm (9.8 in) in September, putting it among the wetter months for Chiang Mai Province, Thailand.

Is September a Good Time to Visit Chiang Mai Province, Thailand?

In our opinion, September may not be the ideal time to visit Chiang Mai Province, Thailand due to the typically poor weather in Chiang Mai.

Generally speaking, the best visiting conditions can be found in January, November and December offering mostly pleasant weather in Chiang Mai. On the other hand, the months of February, March, April, May, June, July, August and September tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Chiang Mai Province.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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