Tunis in September
In September, Tunis averages 31°C (87°F) during the day and 21°C (70°F) at night, with around 12 days of rain (34 mm total).
ShoulderConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
September in Tunis 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 Tunis
September is in the middle of the year for warmth in Tunis (4th of 12) and moderately rainy compared to the rest of the year (5th 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 (26°C).
September sunrise & sunset in Tunis
Times shown for Tunis 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 Tunis — September
Golden-hour and blue-hour windows for the 15th of September, in Tunis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Tunis 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 (Shoulder) and Tunis's popularity.
Crowds & pricing — September in Tunis
Tunis is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Tunis
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.
Sea temperature in Tunis — September
Across the year Tunis's sea swings from 14.5°C (January) to 29.1°C (August) — September sits at 26.6°C.
Tunis in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 16°C / 61°F | 8°C / 46°F | 29 mm | 14 | — |
| February | 17°C / 63°F | 8°C / 47°F | 36 mm | 11 | — |
| March | 19°C / 65°F | 10°C / 49°F | 59 mm | 16 | — |
| April | 22°C / 72°F | 12°C / 54°F | 39 mm | 12 | — |
| May | 26°C / 78°F | 15°C / 59°F | 43 mm | 11 | — |
| June | 32°C / 89°F | 20°C / 67°F | 16 mm | 6 | — |
| July | 35°C / 95°F | 22°C / 72°F | 1 mm | 2 | — |
| August | 34°C / 93°F | 23°C / 73°F | 17 mm | 6 | — |
| September | 31°C / 87°F | 21°C / 70°F | 34 mm | 12 | — |
| October | 26°C / 79°F | 17°C / 63°F | 47 mm | 12 | — |
| November | 21°C / 70°F | 13°C / 55°F | 43 mm | 15 | — |
| December | 17°C / 63°F | 10°C / 49°F | 42 mm | 12 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Tunis in September →
Frequently asked questions
How hot is Tunis in September?
In September, Tunis averages a high of 31°C (87°F) and a low of 21°C (70°F) — generally hot.
Does it rain a lot in Tunis in September?
September can be fairly wet in Tunis, with about 12 rainy days on average.
Is September a good time to visit Tunis?
September is hot. 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 Tunis in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Tunis for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.