Is Hefei hot in September?
Days are typically warm at 28.2°C, while nights average 19.9°C.
China · 1991–2020 normal
Typical September weather in Hefei: 28.2°C by day, 19.9°C at night, 82 mm of rain over 6.3 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 68 out of 100 (October leads the year at 86). Daylight is calculated as 12 h 19 from latitude 31.86°.
September at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically warm at 28.2°C, while nights average 19.9°C.
The measured monthly average is 82 mm across about 6 wet days.
There are about 12 h 19 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 4 of 12 in our weather comparison; October ranks first.
The evidence behind this page
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The weather comparison for Hefei is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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