Hainan weather in September
Planning a journey to Hainan this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:
What is the weather like in Hainan in September?
Hainan is a region in China. September in Hainan generally has very warm temperatures, with heavy precipitation.
You can expect very warm maximum daytime temperatures of around 30°C and nighttime temperatures around 26°C in Sanya. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.
In September, precipitation varies across different areas. From heavy rainfall in Lingao with an average of 227 mm to heavy rainfall in Wanning with 296 mm.
For specific regional insights in Hainan for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Hainan climate page.
Where to go in Hainan in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Hainan?
Sanya
In September Sanya generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Haikou
In September Haikou generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Qionghai
In September Qionghai generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Wenchang
In September Wenchang generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Wanning
In September Wanning generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Hainan, in China.
Is September the best time to visit Hainan?
In our view, September might not be the best time to travel to Hainan with often poor weather in Sanya.
Generally speaking, the best visiting conditions can be found in January, February, March, April, November and December offering mostly perfect weather in Sanya. The weather in June, July, August and September, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in Hainan.
Interested in the weather conditions in a specific month? Select the month below.
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