Temperatures begin to moderate, but many warm, sunny days remain-great for beach time without the August crowds. Prices may start to ease late in the month and cultural sites are still busy.
SeasonHigh SeasonTemperature 22-30°C (72-86°F)Crowds HighPrices High
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Temperature map
-30°-20°-10°0°10°20°30°40°
Average temperature across Tunisia in September.
Where to Go in Tunisia in September
Northern Coast & Kroumirie Hills
Bizerte, Tabarka
September’s warmth eases into something gentler along the northern coast: sea temperatures remain inviting while daytime highs usually fall back into the low to mid-20s°C. Late-season swimmers enjoy quieter beaches and clearer water; September is also when migratory seabirds pass the Bizerte lagoon, attracting nature watchers. Pack a light sweater for evenings and expect the hospitality sector to drop from peak prices while many services remain fully operational.
Cap Bon & Gulf of Tunis
Tunis, Carthage, Hammamet, Nabeul
October brings a return of wetter weather and cooler air to the Gulf of Tunis, particularly later in the month when strong low-pressure systems can deliver heavy rain and coastal swells. Olive harvesting begins in the surrounding hills, and seaside resorts quiet down, making it a good time for inland olive-oil tours and city visits rather than sunbathing. Pack waterproofs for sudden downpours and layers for cool evenings by the sea.
Central Coast & Sahel
Sousse, Monastir, Mahdia, Sfax
October brings a noticeable cooling and an increase in rainfall compared with summer, though many days remain mild and comfortable for sightseeing. Olive harvesting in surrounding rural areas begins, and towns like Mahdia and Sfax are pleasant without peak-season traffic. Bring a light rain jacket for occasional heavier showers and layers for chilled evenings by the sea.
Central Highlands & Dorsal Mountains
Kairouan, Zaghouan, Kasserine, Djebel ech Chambi
October cools further with crisp mornings and blue-sky days; the peaks show excellent visibility and the highlands take on autumn colours in orchards and terraces. Daytime temperatures often sit in the mid-teens to low 20s°C, comfortable for long excursions and photography. Rain increases later in the month, so a waterproof layer and flexible itinerary reduce the chance of route closures after heavy downpours.
Southern Tunisia & the Sahara
Tozeur, Douz, Chott el Jerid, Matmata
October provides warm but comfortable conditions through much of the south; Tozeur enjoys sunny days in the mid-20s°C and dune traverses are very doable. The date harvest is underway in many oases, adding local colour and opportunities to visit working groves. Expect fewer tourists than coastal autumn, so remote lodges are quieter and operators can offer multi-day routes with relative solitude.
Events & Festivals in September
There are no major festivals or events in Tunisia during September to be aware of.
Planning a trip to Tunisia?
See how September compares with the rest of the year, then read the full guide.