Chengmai Weather in September

During September, Chengmai experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 24°C (75°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Chengmai in September

Chengmai is in the rainy season in September, with rain on around 18 days and an average of 248 mm (9.8 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Chengmai in September

September in Chengmai brings very high temperatures, with highs of 32°C (90°F) and nights around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Chengmai in September

There are approximately 192 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Chengmai. 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 China, check out our Chengmai's climate page.

Chengmai Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 59%  

Precipitation 248 mm (9.8 in)  

Rainy days 18 days  

Humidity 81% *  

Sunshine 192 hours *  

Percentage Sunshine 54% *  

* Data from: Haikou, China (47 KM, 29 Miles).

What to Wear in Chengmai in September

Warm but pleasant conditions in Chengmai in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Chengmai 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 China, check out our Chengmai's climate page.

More climate data for Chengmai

Temperature Rainfall Sunshine Humidity

See the full Chengmai climate overview or explore weather in China.