Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Tunisia in September
Weather score85Excellent
Excellent for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 8.9h per day, so bright days are a strong part of the month. Rainfall averages 27mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
31°C
Rain
27mm
Sun
8.9h
Sea
23°C
Weather score
85
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 27mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.9h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Tunisia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September27mm average rain
September sits near Tunisia's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September8.9 hours average sun
September sits close to Tunisia's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September23°C average sea
September is one of Tunisia's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
September85 weather score
September is one of Tunisia's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
