The climate in Yantai during September can be summarized as warm and a little damp.
September is in the fall / autumn in Yantai and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 24.3°C 75.7°F |
|---|---|
| Nightly temperature | 17.9°C 64.2°F |
| Average temperature | 21.1°C 70°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 86 mm 3.4 ins |
| Rainy days | 8 days |
| Sea temperature | 23.2°C 73.7°F |
| Humidity | 68% |
| Windspeed | 12.6kph 8 mph |
On average September is the 3rd wettest month of the year in Yantai with around 86mm 3.4 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 8.4 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 Yantai in September 2025.
Best places to visit in September
| Hottest month: | July | 27.9°C 82.2°F |
|---|---|---|
| Driest month: | February | 11mm 0.4ins |
| Sunniest month: | October | 7.8hrs |
| Coldest month: | January | 1.4°C 34.5°F |
| Wettest month: | July | 177mm 7ins |