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Weather in Ajaccio for September 2025

Your guide to Ajaccio weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Ajaccio is slightly cooler than the historical average by -0.7 °C.

  • Expect cooler weather in the next days in Ajaccio with the forecast suggesting a temperature of 22.7 °C, lower than the historical average.

  • 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 19.1 °C by the end of September.

    • Rain 🌧️

  • 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.

    • More

  • 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.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/15°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Ajaccio Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
28°
2
Overcast
26°
3
Sunny
27°
4
Overcast
27°
5
Sunny
26°
6
Sunny
26°
7
Sunny
28°
8
Sunny
27°
9
Sunny
26°
10
Sunny
24°
11
Sunny
25°
12
Partly cloudy
24°
13
Partly cloudy
24°
14
Sunny
24°
15
Partly cloudy
23°
16
Sunny
27°
17
Sunny
26°
18
Sunny
26°
19
Sunny
27°
20
Sunny
28°
21
Sunny
27°
22
Patchy rain possible
25°
23
Patchy rain possible
20°
24
Moderate rain
16°
25
Patchy rain possible
17°
26
Patchy rain possible
19°
27
Patchy rain possible
19°
28
Partly cloudy
19°
29
Overcast
22°
30
Sunny
22°

Temperatures trend during September in Ajaccio

See the weather trend as well as the moving average line

September weather in Ajaccio day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 28° /17° 0.1 mm 7
2 Sept. Overcast
Overcast
 26° /17° 1.3 mm 6
3 Sept. Sunny
Sunny
 27° /18° 0.1 mm 7
4 Sept. Overcast
Overcast
 27° /17° 1.8 mm 6
5 Sept. Sunny
Sunny
 26° /15° 3.1 mm 6
6 Sept. Sunny
Sunny
 26° /15° 0 mm 7
7 Sept. Sunny
Sunny
 28° /16° 0.2 mm 7
8 Sept. Sunny
Sunny
 27° /17° 5.7 mm 7
9 Sept. Sunny
Sunny
 26° /17° 2.2 mm 6
10 Sept. Sunny
Sunny
 24° /16° 9.4 mm 6
11 Sept. Sunny
Sunny
 25° /15° 0.2 mm 6
12 Sept. Partly cloudy
Partly cloudy
 24° /14° 9.9 mm 6
13 Sept. Partly cloudy
Partly cloudy
 24° /14° 0.7 mm 6
14 Sept. Sunny
Sunny
 24° /13° 0 mm 6
15 Sept. Partly cloudy
Partly cloudy
 23° /12° 0 mm 7
16 Sept. Sunny
Sunny
 27° /16° 0 mm 1.5
17 Sept. Sunny
Sunny
 26° /15° 0 mm 1.5
18 Sept. Sunny
Sunny
 26° /16° 0 mm 1.5
19 Sept. Sunny
Sunny
 27° /18° 0 mm 1.5
20 Sept. Sunny
Sunny
 28° /18° 0 mm 1.6
21 Sept. Sunny
Sunny
 27° /19° 0 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 25° /15° 3 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 0.5 mm 4
24 Sept. Moderate rain
Moderate rain
 16° /12° 7.2 mm 3
25 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 0.8 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 19° /14° 2.1 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 0.3 mm 3
28 Sept. Partly cloudy
Partly cloudy
 19° /11° 0 mm 4
29 Sept. Overcast
Overcast
 22° /12° 0 mm 4
30 Sept. Sunny
Sunny
 22° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Ajaccio in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ajaccio forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Ajaccio weather in September vs August vs October

Compare September weather in Ajaccio with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures28°/20°24°/15°22°/14°
Rainfall91 mm65 mm112 mm
Wind13.6 km/h12.9 km/h12.4 km/h
Humidity59%63%70%
Rainy days7 days14 days19 days
Dry days24 days16 days12 days

Planning a trip to Ajaccio? Discover the best time to visit

Ajaccio in September - FAQ

What are the expected maximum and minimum temperatures in Ajaccio during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ajaccio during September?
Moderate rainfall is anticipated in Ajaccio during September, with a total of 64.8 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ajaccio during September?
The average wind speed in Ajaccio during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Ajaccio water temperatures in September

The average water temperature of the Mediterranean Sea near Ajaccio in September is 23 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Ajaccio in September?
The average water temperature in Ajaccio in September is 23 °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

Explore the daily rainfall trends and prepare for Ajaccios September weather 💧

UV exposure in Ajaccio during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Ajaccio?

Get accurate weather forecasts for Ajaccio, located at latitude 41.919 and longitude 8.738. Stay updated with localized weather information tailored for Ajaccio.

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