Ban Huai Sai Weather in September

September in Ban Huai Sai brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 23°C (73°F). It's part of the rainy season, with 284 mm (11 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Ban Huai Sai in September

As part of the rainy season, Ban Huai Sai sees around 18 days of rain in September, with an average of 284 mm (11 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 Ban Huai Sai in September

Expect highs of 31°C (88°F) in Ban Huai Sai in September, with nights dropping to around 23°C (73°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.

Sunshine in Ban Huai Sai in September

The city usually sees around 148 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Ban Huai Sai in September

September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Ban Huai Sai. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Thailand, check out our Ban Huai Sai's climate page.

Ban Huai Sai Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 61%  

Precipitation 284 mm (11 in)  

Rainy days 18 days  

Humidity 81% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 148 hours *  

Percentage Sunshine *  

* Data from: Chiang Mai, Thailand (23 KM, 14 Miles).

What to Wear in Ban Huai Sai in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Ban Huai Sai in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Thailand, check out our Ban Huai Sai's climate page.

More climate data for Ban Huai Sai

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Ban Huai Sai climate overview or explore weather in Thailand.