SeasonMapSousse weather in September
Tunisia
September in Sousse: hot, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Sousse · #156 of 1383 destinations to visit in September · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sousse in September
No notes yet. Open Sousse on the map to add the first one.
Sousse climate normals — September
| Daytime high | 32°C / 90°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Sea temperature | 27°C / 80°F | 😎 warm sea |
| Rainfall | 32 mm / 1.3 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 17°C / 63°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.4 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sousse in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyResort season, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sousse's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSousse's best weather comes in June, July and October — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Sousse in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Resort season
1 Jun – 7 OctSummer season opensCrowdedThe season here traditionally opens at the start of June and closes with parties on the first weekend of October. Outside it a lot of the seafront north of the centre is simply shut. Source ↗
Nearby, and something's on
Within 300 km of Sousse — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sousse?
Sousse in September — FAQ
- Is September a good time to visit Sousse?
- September in Sousse: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Sousse on SeasonMap's comfort score (92/100).
- What is the weather like in Sousse in September?
- In September, Sousse averages a daily high of 32°C and a low of 22°C, with about 31.8 mm of rain over roughly 4.2 rainy days.
- What is the air quality in Sousse in September?
- Sousse has a mean US Air Quality Index of about 49 in September.
Other months in Sousse
Compare Sousse in September
Warmer or cooler than Sousse in September
Similar destinations in North Africa — September
Within 300 km: Hammamet's Jasmine season around 1 Jun – 15 Sep, and Tunis' Sea warm enough to swim around 15 Jun – 15 Oct.