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Weather in Greece for September 2025

Your guide to Greece weather in September - trends and predictions
  • In general, the average temperature in Greece at the beginning of September is 30.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.3 °C by the end of September.

  • Greece sees moderate rainfall in September, averaging 7 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/20°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
50 %
Avg humidity

Greece in September average weather

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Temperatures trend during September in Greece

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
31° /21° 0 mm 7
2 Sept. Sunny
Sunny
31° /21° 0 mm 8
3 Sept. Sunny
Sunny
31° /21° 0 mm 8
4 Sept. Cloudy
Cloudy
31° /21° 0.2 mm 7
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /21° 18.2 mm 7
6 Sept. Light rain shower
Light rain shower
30° /21° 10.1 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
30° /21° 0.2 mm 7
8 Sept. Partly cloudy
Partly cloudy
28° /20° 0 mm 8
9 Sept. Partly cloudy
Partly cloudy
28° /20° 0 mm 7
10 Sept. Sunny
Sunny
27° /21° 0.7 mm 7
11 Sept. Sunny
Sunny
26° /19° 1.6 mm 6
12 Sept. Sunny
Sunny
28° /19° 0 mm 7
13 Sept. Sunny
Sunny
30° /20° 0 mm 8
14 Sept. Partly cloudy
Partly cloudy
29° /20° 0 mm 8
15 Sept. Sunny
Sunny
29° /19° 0 mm 8
16 Sept. Sunny
Sunny
29° /20° 0 mm 8
17 Sept. Sunny
Sunny
27° /19° 0 mm 7
18 Sept. Sunny
Sunny
25° /18° 0.1 mm 7
19 Sept. Sunny
Sunny
27° /17° 0 mm 7
20 Sept. Sunny
Sunny
27° /19° 0 mm 7
21 Sept. Partly cloudy
Partly cloudy
28° /19° 0 mm 7
22 Sept. Sunny
Sunny
28° /19° 0 mm 8
23 Sept. Sunny
Sunny
29° /21° 0 mm 8
24 Sept. Overcast
Overcast
29° /21° 0 mm 7
25 Sept. Patchy light rain with thunder
Patchy light rain with thunder
29° /20° 1.4 mm 7
26 Sept. Patchy rain possible
Patchy rain possible
27° /20° 0.1 mm 7
27 Sept. Patchy light rain with thunder
Patchy light rain with thunder
26° /20° 18.2 mm 6
28 Sept. Light rain shower
Light rain shower
26° /19° 4.2 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
29° /18° 0.1 mm 7
30 Sept. Thundery outbreaks possible
Thundery outbreaks possible
25° /18° 0 mm 6
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Important Notice
Our weather forecast for Greece 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 Greece forecast closer to your planned date for the most up-to-date weather information.

Guide for Greece in September

In September, Greece experiences pleasant weather with warm temperatures and plenty of sunshine. At the beginning of the month, the weather in Greece is still quite hot, especially in popular tourist destinations such as Athens, Santorini, and Mykonos.

The average temperature in Athens at the start of September is around 28°, while the islands may experience slightly higher temperatures, reaching around 30°.

As the month progresses, the weather begins to transition towards autumn, with slightly cooler temperatures and a refreshing breeze. By the end of September, the average temperature in Athens drops to around 25°, providing comfortable conditions for outdoor activities and sightseeing.

The islands also experience milder temperatures, with an average of around 26° towards the end of the month.

Overall, September is an excellent time to visit Greece, as the weather is still warm enough for beach activities and swimming, yet not as scorching hot as the peak summer months.

Additionally, the sea temperatures remain inviting, making it ideal for enjoying the beautiful beaches and crystal-clear waters.

Greece in September - FAQ

Is September a good time to visit Greece?
Yes, September is a good time to traveling to Greece, read more about the best time to visit Greece.
What are the expected maximum and minimum temperatures in Greece during September?
During September, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Greece during September?
Significant rainfall exceeding 105.2 mm is expected in Greece during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Greece during September?
The average wind speed in Greece during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Greece in September?

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

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • 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
  • 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 Greece?

Get accurate weather forecasts for Greece, located at latitude 37.984 and longitude 23.728. Stay updated with localized weather information tailored for Greece.

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