Hainan Weather in September

Thinking of visiting Hainan in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 6°C (43°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Hainan in September

Records from the past 30 years suggest around 14 days of rain, with 76 mm (3 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Hainan in September

Temperatures in Hainan in September top out at 17°C (63°F) and drop to 6°C (43°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Hainan.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit China, check out our Hainan's climate page.

Hainan Temperature in September

Min Temperature 6°C (43°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 47%  

Precipitation 76 mm (3 in)  

Rainy days 14 days  

What to Wear in Hainan in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Hainan in September

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

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

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 Hainan's climate page.

More climate data for Hainan

Temperature Rainfall

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