Weihai Weather in September

The climate in Weihai during September can be summarized as warm and a little damp.

September is in the fall / autumn in Weihai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 19°C (65°F) is normal.

On average September is the 3rd wettest month of the year in Weihai with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Weihai in September 2025.