The climate in Chiari during September can be summarized as warm and a little damp.
September is in the fall / autumn in Chiari and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 23.6°C 74.5°F |
|---|---|
| Nightly temperature | 13.6°C 56.5°F |
| Average temperature | 18.6°C 65.5°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 81 mm 3.2 ins |
| Rainy days | 9 days |
| Sea temperature | 22.4°C 72.3°F |
| Humidity | 73% |
| Windspeed | 3.2kph 2 mph |
On average September is the 6th driest month of the year in Chiari with around 81mm 3.2 inches of rain making it a a little damp 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 7.2 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 Chiari in September 2025.
Best places to visit in September
| Hottest month: | July | 27.9°C 82.2°F |
|---|---|---|
| Driest month: | December | 54mm 2.1ins |
| Sunniest month: | July | 9.7hrs |
| Coldest month: | January | 4.6°C 40.3°F |
| Wettest month: | August | 111mm 4.4ins |