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Weather in Kefalonia for September 2025

Your guide to Kefalonia weather in September - trends and predictions
  • In general, the average temperature in Kefalonia at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24 °C by the end of September.

  • Kefalonia sees moderate rainfall in September, averaging 10 rainy days.

  • Is September a good time to visit Kefalonia? check out the best time to travel to Kefalonia page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/20°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Kefalonia in September average weather

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Temperatures trend during September in Kefalonia

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
26° /22° 1.1 mm 7
2 Sept. Sunny
Sunny
27° /22° 0 mm 7
3 Sept. Sunny
Sunny
28° /22° 0 mm 7
4 Sept. Moderate rain at times
Moderate rain at times
27° /22° 6.9 mm 7
5 Sept. Light rain shower
Light rain shower
25° /20° 4.8 mm 6
6 Sept. Light rain shower
Light rain shower
27° /20° 4.6 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
27° /21° 1.2 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
27° /22° 0.2 mm 7
9 Sept. Sunny
Sunny
27° /21° 0.8 mm 7
10 Sept. Sunny
Sunny
26° /21° 9.6 mm 7
11 Sept. Sunny
Sunny
26° /22° 3.3 mm 7
12 Sept. Sunny
Sunny
26° /21° 1.2 mm 7
13 Sept. Sunny
Sunny
27° /21° 1.1 mm 7
14 Sept. Overcast
Overcast
25° /20° 0.7 mm 6
15 Sept. Sunny
Sunny
24° /20° 1.6 mm 6
16 Sept. Sunny
Sunny
25° /20° 0.5 mm 6
17 Sept. Sunny
Sunny
25° /20° 1.7 mm 6
18 Sept. Sunny
Sunny
24° /20° 7.7 mm 6
19 Sept. Sunny
Sunny
25° /21° 0.9 mm 6
20 Sept. Sunny
Sunny
25° /20° 1.9 mm 6
21 Sept. Patchy rain possible
Patchy rain possible
25° /21° 0.5 mm 6
22 Sept. Sunny
Sunny
25° /21° 0.9 mm 6
23 Sept. Sunny
Sunny
26° /21° 0 mm 6
24 Sept. Thundery outbreaks possible
Thundery outbreaks possible
25° /21° 0.4 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
23° /20° 0.2 mm 5
26 Sept. Patchy light rain with thunder
Patchy light rain with thunder
24° /19° 12.6 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
25° /19° 1.5 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
24° /20° 0.1 mm 6
29 Sept. Patchy light rain with thunder
Patchy light rain with thunder
24° /20° 0.8 mm 5
30 Sept. Patchy light rain with thunder
Patchy light rain with thunder
23° /19° 1.4 mm 6
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Important Notice
Our weather forecast for Kefalonia 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 Kefalonia forecast closer to your planned date for the most up-to-date weather information.

Kefalonia in September - FAQ

What are the expected maximum and minimum temperatures in Kefalonia during September?
During September, expect a variety of temperatures with highs around 25° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kefalonia during September?
Moderate rainfall is anticipated in Kefalonia during September, with a total of 67.1 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kefalonia during September?
The average wind speed in Kefalonia during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kefalonia in September?

As you prepare for your trip to Kefalonia 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 Kefalonia, 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

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Location coordinates Where is Kefalonia?

Get accurate weather forecasts for Kefalonia, located at latitude 38.122 and longitude 20.502. Stay updated with localized weather information tailored for Kefalonia.

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