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Weather in Kos for September 2025

Your guide to Kos weather in September - trends and predictions
  • In general, the average temperature in Kos at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.7 °C by the end of September.

  • With an average of 5 rainy days, Kos experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/22°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Kos in September average weather

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Temperatures trend during September in Kos

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
28° /22° 0 mm 7
2 Sept. Sunny
Sunny
29° /24° 0 mm 7
3 Sept. Sunny
Sunny
28° /23° 0 mm 7
4 Sept. Sunny
Sunny
28° /23° 0.7 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
28° /23° 1.4 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
29° /23° 0.2 mm 7
7 Sept. Sunny
Sunny
29° /23° 0 mm 8
8 Sept. Sunny
Sunny
28° /23° 0 mm 7
9 Sept. Sunny
Sunny
27° /23° 0 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
27° /22° 0.4 mm 6
11 Sept. Sunny
Sunny
27° /23° 1.9 mm 7
12 Sept. Sunny
Sunny
27° /22° 0.1 mm 7
13 Sept. Sunny
Sunny
27° /22° 0.1 mm 7
14 Sept. Sunny
Sunny
27° /22° 0.1 mm 7
15 Sept. Sunny
Sunny
27° /22° 0 mm 7
16 Sept. Sunny
Sunny
27° /22° 0 mm 7
17 Sept. Overcast
Overcast
27° /21° 0 mm 7
18 Sept. Sunny
Sunny
26° /21° 0 mm 7
19 Sept. Sunny
Sunny
26° /21° 0 mm 7
20 Sept. Sunny
Sunny
26° /21° 0 mm 7
21 Sept. Sunny
Sunny
26° /21° 0 mm 7
22 Sept. Sunny
Sunny
27° /21° 0 mm 7
23 Sept. Sunny
Sunny
27° /21° 0 mm 7
24 Sept. Sunny
Sunny
27° /21° 0 mm 7
25 Sept. Overcast
Overcast
26° /21° 0 mm 7
26 Sept. Sunny
Sunny
26° /20° 0 mm 7
27 Sept. Sunny
Sunny
26° /21° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
26° /21° 0.5 mm 7
29 Sept. Sunny
Sunny
25° /21° 0 mm 7
30 Sept. Sunny
Sunny
24° /20° 0.1 mm 6
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Important Notice
Our weather forecast for Kos 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 Kos forecast closer to your planned date for the most up-to-date weather information.

Kos in September - FAQ

What are the expected maximum and minimum temperatures in Kos during September?
During September, expect a variety of temperatures with highs around 27° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kos during September?
Rainfall in Kos during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Kos during September?
The average wind speed in Kos during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kos in September?

As you prepare for your trip to Kos 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 Kos, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

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Location coordinates Where is Kos?

Get accurate weather forecasts for Kos, located at latitude 36.893 and longitude 27.288. Stay updated with localized weather information tailored for Kos.

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