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Mu Si Weather in September
With daytime temperatures of 30°C (86°F) and nighttime lows of 23°C (73°F), September in Mu Si brings high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Mu Si in September
As part of the rainy season, Mu Si sees around 20 days of rain in September, with an average of 406 mm (16 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Mu Si in September
Daytime highs in Mu Si in September reach 30°C (86°F), with nights around 23°C (73°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.September in Mu Si has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Mu Si Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
30°C (86°F)
Chance of Rain
68%
Precipitation
406 mm (16 in)
Rainy days
20 days
Mu Si Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mu Si - and find the best time to visit.
Best Places in Thailand in September
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in September →
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).
What to Wear in Mu Si in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Mu Si in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Mu Si 3-Day Forecast
More climate data for Mu Si
See the full Mu Si climate overview or explore weather in Thailand.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bangkok
34°C (93°F) Chiang Mai33°C (91°F) Jomtien Beach32°C (90°F) Hua Hin32°C (90°F) Ao Nang Beach30°C (86°F) Koh Samui30°C (86°F) Ko Lanta30°C (86°F) Patong Beach29°C (84°F) Bucket list
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