Monastir Weather in September
In Monastir, September brings very high daytime temperatures around 31°C (88°F), with nights cooling to 22°C (72°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Monastir in September
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. You can typically expect 3 days of rain this month, averaging around 51 mm (2 in). Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Monastir in September
Expect highs of 31°C (88°F) in Monastir in September, with nights dropping to around 22°C (72°F). For most visitors, the main thing to prepare for is the heat during the day. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.If you prefer enjoying temperate temperatures and rain-free days, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Monastir Temperature in September
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Monastir Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Monastir - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Monastir typically drop from around 31°C (88°F) at the start of September to approximately 28°C (82°F) by the end. Nights are warm, with lows typically ranging from 20°C (68°F) to 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Monastir in September
Browse day-by-day weather records for Monastir spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Monastir historical weather extremes in September
Based on weather observations in Monastir between 2004 and 2025, these are the recorded extremes during September.
- On September 8, 2022, temperatures climbed to 40°C (104°F), marking the warmest September day on record.
- On September 27, 2008, Monastir saw its coldest September day with temperatures maxing out at 20°C (68°F).
- The lowest overnight temperature recorded in September was 15°C (59°F) (September 28, 2004).
Best Places in Tunisia in September
Find out more about the weather in Tunisia and which places have the best travel conditions in this month. See all of Tunisia in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Monastir in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.
What To Do in Monastir in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
Monastir 3-Day Forecast
See the full Monastir climate overview or explore weather in Tunisia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Monastir
31°C (88°F) Port El Kantaoui30°C (86°F) Midoun
31°C (88°F) Sousse31°C (88°F) Ariana29°C (84°F) Tunis30°C (86°F) Hammamet29°C (84°F) Nabeul28°C (82°F) 
Bucket list
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See the Sahara in Tunisia
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One of South Africa's most spectacular private game reserves
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