China weather

Our guide to the weather in China during September

20

Average high

4

UV Index

102mm

Monthly rainfall

75%

Humidity

We've looked at the most up-to-date weather data for China, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about China weather in September.

How warm is it in China during September?

The temperature reaches around 20℃ during the daytime in September, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in China during September?

On average, there will be 8 rainy days during the month, amounting to 101.9mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in China during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate air temperatures, any breeze will feel cool.

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Weather in China

Our month-by-month guide to the weather and climate in China

0.8

China weather in

January
4.5

China weather in

February
10.8

China weather in

March
16.5

China weather in

April
20.6

China weather in

May
24.4

China weather in

June
26.2

China weather in

July
25.2

China weather in

August
20.3

China weather in

September
14.6

China weather in

October
8.4

China weather in

November
1.8

China weather in

December