Sousse in September
In September, Sousse averages 31°C (88°F) during the day and 21°C (71°F) at night, with around 5 days of rain (43 mm total).
High seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
September in Sousse is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Sousse
September is in the middle of the year for warmth in Sousse (4th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 6°C above the annual average (25°C). September runs 3°C cooler than August (34°C) and cools 5°C in October (27°C).
September sunrise & sunset in Sousse
Times shown for Sousse local time (Africa/Tunis), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Sousse — September
Golden-hour and blue-hour windows for the 15th of September, in Sousse's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sousse in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Sousse's popularity.
Crowds & pricing — September in Sousse
This is a busy month in Sousse — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather beach-season conditions
Sun & mosquito risk — September in Sousse
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sousse in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 17°C / 63°F | 8°C / 46°F | 18 mm | 4 | — |
| February | 19°C / 65°F | 9°C / 47°F | 27 mm | 4 | — |
| March | 20°C / 68°F | 10°C / 50°F | 61 mm | 7 | — |
| April | 23°C / 73°F | 12°C / 54°F | 23 mm | 5 | — |
| May | 27°C / 80°F | 16°C / 60°F | 23 mm | 5 | — |
| June | 32°C / 89°F | 20°C / 67°F | 7 mm | 2 | — |
| July | 35°C / 95°F | 23°C / 73°F | 0 mm | 0 | — |
| August | 34°C / 94°F | 23°C / 74°F | 17 mm | 3 | — |
| September | 31°C / 88°F | 21°C / 71°F | 43 mm | 5 | — |
| October | 27°C / 80°F | 18°C / 64°F | 49 mm | 7 | — |
| November | 22°C / 72°F | 13°C / 55°F | 32 mm | 6 | — |
| December | 19°C / 65°F | 10°C / 49°F | 34 mm | 5 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Sousse in September →
Frequently asked questions
How hot is Sousse in September?
In September, Sousse averages a high of 31°C (88°F) and a low of 21°C (71°F) — generally hot.
Does it rain a lot in Sousse in September?
September sees occasional rain in Sousse, with about 5 rainy days on average.
Is September a good time to visit Sousse?
September is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sousse in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Sousse for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.