September weather forecastMonastir, Tunisia

September
Weather in September
Despite the onset of fall in September, Monastir continues to experience warm temperatures averaging a high of 29.5°C (85.1°F). However, climatological patterns show an increase in rainfall to 33mm (1.3"), a significant rise from August. Despite the increased chance of rain, the city remains pleasantly warm, making it an excellent time of year for sightseeing or for visiting its stunning beaches. September is an ideal month for visitors who want to enjoy the summer warmth with fewer crowds.Temperature
The advent of September denotes an average high-temperature of a warm 29.5°C (85.1°F), subtly different from August's 30.6°C (87.1°F). Throughout September, Monastir registers a consistent average low-temperature of 20.3°C (68.5°F).Rainfall
In September, the rain falls for 4 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 53 rainfall days, and 328mm (12.91") of precipitation is accumulated.Sea temperature
In Monastir, the average seawater temperature in September is 25.8°C (78.4°F).Note: Between 25°C (77°F) and 29°C (84.2°F), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:49 and sunset at 18:44. On the last day of September, sunrise is at 06:11 and sunset at 18:01 CET.
Sunshine
In September, the average sunshine in Monastir is 8h.UV index
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monastir, Tunisia
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (15.8°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (21°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average rainfall in September
Monastir, Tunisia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (44mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Monastir, Tunisia
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is July (1 days).
Average sea temperature in September
Monastir, Tunisia
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.6°C).
The coldest month (with the lowest average sea temperature) is February (14.7°C).
Average daylight in September /
Average sunshine in September
Monastir, Tunisia
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average UV index in September
Monastir, Tunisia
- Average UV index in September: 7
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).





