Weather in Ajaccio for September 2026
- In general, the average temperature in Ajaccio at the beginning of September is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °C by the end of September. 
- The climate of Ajaccio in September is notably wet, with an average of 14 rainy days, and a total of 64.8 mm of precipitation. 
- Is September a good time to visit Ajaccio? check out the best time to travel to Ajaccio page. 
- New! Chat with our AI weatherman - it’s amazing and free. 
Temperatures
Rain 🌧️
More
Ajaccio Weather September
Temperatures trend during September in Ajaccio
September weather in Ajaccio day by day
| Date | Weather | Temperatures | Rain | UV | More | 
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 28° /17° | 0.1 mm | 7 | |
| 2 Sept. | Overcast | 26° /17° | 1.3 mm | 6 | |
| 3 Sept. | Sunny | 27° /18° | 0.1 mm | 7 | |
| 4 Sept. | Overcast | 27° /17° | 1.8 mm | 6 | |
| 5 Sept. | Sunny | 26° /15° | 3.1 mm | 6 | |
| 6 Sept. | Sunny | 26° /15° | 0 mm | 7 | |
| 7 Sept. | Sunny | 28° /16° | 0.2 mm | 7 | |
| 8 Sept. | Sunny | 27° /17° | 5.7 mm | 7 | |
| 9 Sept. | Sunny | 26° /17° | 2.2 mm | 6 | |
| 10 Sept. | Sunny | 24° /16° | 9.4 mm | 6 | |
| 11 Sept. | Sunny | 25° /15° | 0.2 mm | 6 | |
| 12 Sept. | Partly cloudy | 24° /14° | 9.9 mm | 6 | |
| 13 Sept. | Partly cloudy | 24° /14° | 0.7 mm | 6 | |
| 14 Sept. | Sunny | 24° /13° | 0 mm | 6 | |
| 15 Sept. | Partly cloudy | 24° /14° | 0 mm | 7 | |
| 16 Sept. | Patchy rain possible | 26° /14° | 0.8 mm | 6 | |
| 17 Sept. | Sunny | 26° /16° | 1.9 mm | 7 | |
| 18 Sept. | Cloudy | 25° /17° | 1.7 mm | 6 | |
| 19 Sept. | Partly cloudy | 25° /16° | 0.1 mm | 6 | |
| 20 Sept. | Light rain shower | 25° /16° | 1.5 mm | 6 | |
| 21 Sept. | Sunny | 25° /16° | 3.7 mm | 6 | |
| 22 Sept. | Light rain shower | 23° /15° | 6.5 mm | 5 | |
| 23 Sept. | Patchy rain possible | 22° /13° | 3 mm | 5 | |
| 24 Sept. | Sunny | 21° /12° | 1.1 mm | 5 | |
| 25 Sept. | Patchy rain possible | 22° /12° | 0.6 mm | 5 | |
| 26 Sept. | Sunny | 23° /14° | 0.3 mm | 6 | |
| 27 Sept. | Sunny | 23° /14° | 1.2 mm | 6 | |
| 28 Sept. | Overcast | 21° /13° | 0.2 mm | 5 | |
| 29 Sept. | Patchy rain possible | 22° /12° | 0 mm | 5 | |
| 30 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
| Next | |||||
Ajaccio weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible | 
| Temperatures | 28°/20° | 24°/15° | 22°/14° | 
| Rainfall | 91 mm | 65 mm | 112 mm | 
| Wind | 13.6 km/h | 12.9 km/h | 12.4 km/h | 
| Humidity | 59% | 63% | 70% | 
| Rainy days | 7 days | 14 days | 19 days | 
| Dry days | 24 days | 16 days | 12 days | 
Planning a trip to Ajaccio? Discover the best time to visit
Ajaccio in September - FAQ
Ajaccio water temperatures in September
The average water temperature of the Mediterranean Sea near Ajaccio in September is 23.3 °C. At the beginning of September temperatures are around 23 °C; by the end of the month they get a bit warmer and reach 23.6 °C.
- What is the water temperature in Ajaccio in September?
- The average water temperature in Ajaccio in September is 23.3 °C.
- Can you swim in Ajaccio in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Ajaccio in September?
As you prepare for your trip to Ajaccio in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ajaccio, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
 
- Footwear- Waterproof Shoes
 
- Accessories- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
 
September rainfall patterns in Ajaccio
UV exposure in Ajaccio during September
Quick links
Get accurate weather forecasts for Ajaccio, located at latitude 41.919 and longitude 8.738. Stay updated with localized weather information tailored for Ajaccio.