South East Asia weather in September 2021

Check South East Asia weather in September before you book your next holiday. Long-term weather averages give the best indication of the weather in September 2021 and include figures for temperature, sunshine and rainfall for South East Asia.

Where is hot in South East Asia in September for 2021/2022?

Below are average maximum temperatures at popular destinations in South East Asia in September. Select a destination to see more weather parameters.

More South East Asia regions

Recommended for South East Asia

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The September weather guide for South East Asia shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.