The climate in Tianjin during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Tianjin and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 26.2°C 79.2°F |
|---|---|
| Nightly temperature | 16.2°C 61.2°F |
| Average temperature | 21.2°C 70.2°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 42 mm 1.6 ins |
| Rainy days | 7 days |
| Sea temperature | 20.3°C 68.5°F |
| Humidity | 68% |
| Windspeed | 8.3kph 5 mph |
On average September is the 4th wettest month of the year in Tianjin with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 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 Tianjin in September 2025.
Best places to visit in September
| Hottest month: | July | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | January | 3mm 0.1ins |
| Sunniest month: | May | 9.7hrs |
| Coldest month: | January | 1.5°C 34.7°F |
| Wettest month: | July | 187mm 7.4ins |