Bastia
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Bastia Weather in September

September in Bastia averages 24°C (75°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 63 mm (2.5 in) on average. An umbrella is a good idea.

Rainfall in Bastia in September

Typically, about 8 days will experience rainfall, with an average of 63 mm (2.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Bastia in September

Bastia in September is worth a visit. The temperature is excellent, with 24°C (75°F) during the day and 19°C (66°F) at night. September is part of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Bastia in September

Enjoy a sunny month with about 239 hours of sunshine, the clear skies make Bastia even more beautiful.

Wind Speed in Bastia in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in September

With water at 22°C (72°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Bastia.

Bastia Temperature in September

Min Temperature
19°C (66°F)
Max Temperature
24°C (75°F)
Water Temperature
22°C (72°F)
Chance of Rain
26%
Precipitation
63 mm (2.5 in)
Rainy days
8 days
Humidity
75%
Windspeed
2 m/s (4 knots)
Sunshine
239 hours
Percentage Sunshine

Bastia Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bastia - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Bastia typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Bastia in September

Browse day-by-day weather records for Bastia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Bastia historical weather extremes in September

According to our 50 years of weather records for Bastia, the following extremes were recorded between 1976 and 2026.

  • Bastia recorded its highest September temperature of 35°C (95°F) on September 23, 1987.
  • The lowest daytime temperature in September was 16°C (61°F), recorded on September 27, 2020.
  • The lowest overnight temperature recorded in September was 8°C (46°F) (September 28, 2007).

Best Places in Corsica in September

Find out more about the weather in Corsica and which places have the best travel conditions in this month. See all of Corsica in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Bastia in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Bastia in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    8/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Bastia 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.