The climate in Monastir during September can be summarized as hot and reasonably dry.
September is in the fall / autumn in Monastir and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 30°C (86°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 30°C 85.9°F |
|---|---|
| Nightly temperature | 20.9°C 69.5°F |
| Average temperature | 25.4°C 77.7°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 34 mm 1.3 ins |
| Rainy days | 3 days |
| Sea temperature | 26.3°C 79.4°F |
| Humidity | 65% |
| Windspeed | 14kph 9 mph |
On average September is the 5th wettest month of the year in Monastir with around 34mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 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 Monastir in September 2025.
Best places to visit in September
| Hottest month: | August | 32.5°C 90.5°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | July | 12.4hrs |
| Coldest month: | January | 16.1°C 61°F |
| Wettest month: | October | 54mm 2.1ins |