Sun, sea & sand

Bonifacio weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

89

Holiday weather in September

Excellent

Best time to visit: June – September

What is the weather like in Bonifacio in September?

In September, Bonifacio is warm: daytime highs average 24 °C, and even at night it stays warm at around 20 °C. The sea averages 23.5 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 32 mm in total. All in all, September is an excellent month for a holiday in Bonifacio.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score1008950
Day27°24°21°
Night23°20°17°
Sea25°24°21°
Sun11 h8 h7 h
Rain days257

More details for September

Daylight
12 h 33 min07:02 – 19:35
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
9 daysdew point 18 °C or moreAll months
Wind
24 km/haverage daily peakAll months
Cloud cover
37 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %83 %
  • Seaweight 25 %93 %
  • Sunshineweight 20 %90 %
  • Few rainy daysweight 20 %94 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in September

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat

Bonifacio in September: quick answers

Is Bonifacio hot in September?

Warm rather than hot: in September, daytime highs in Bonifacio average 24 °C and nights cool to about 20 °C.

Can you swim in Bonifacio in September?

Yes. In September the sea averages 23.5 °C – pleasant for swimming.

Does it rain much in Bonifacio in September?

Rain is rare: about 5 days bring 32 mm in total.

Bonifacio month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences