The climate in Longkou during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Longkou and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 24.6°C 76.2°F |
|---|---|
| Nightly temperature | 15.1°C 59.1°F |
| Average temperature | 19.8°C 67.6°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 64 mm 2.5 ins |
| Rainy days | 9 days |
| Sea temperature | 23.4°C 74°F |
| Humidity | 68% |
| Windspeed | 13.3kph 8 mph |
On average September is the 4th wettest month of the year in Longkou with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 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 Longkou in September 2025.
Best places to visit in September
| Hottest month: | July | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | January | 8mm 0.3ins |
| Sunniest month: | October | 7.8hrs |
| Coldest month: | January | 1°C 33.8°F |
| Wettest month: | July | 170mm 6.7ins |