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Weather in Thessaloníki for September 2025

Your guide to Thessaloníki weather in September - trends and predictions
  • In general, the average temperature in Thessaloníki at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.3 °C by the end of September.

  • Thessaloníki sees moderate rainfall in September, averaging 9 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/19°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Thessaloníki in September average weather

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Temperatures trend during September in Thessaloníki

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
32° /20° 0 mm 8
2 Sept. Partly cloudy
Partly cloudy
32° /21° 0 mm 8
3 Sept. Partly cloudy
Partly cloudy
33° /21° 0 mm 8
4 Sept. Light rain shower
Light rain shower
29° /20° 8.7 mm 6
5 Sept. Light rain shower
Light rain shower
28° /19° 4.9 mm 7
6 Sept. Light rain shower
Light rain shower
29° /19° 2.9 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
28° /19° 3.8 mm 7
8 Sept. Sunny
Sunny
28° /19° 1.1 mm 7
9 Sept. Sunny
Sunny
29° /19° 0 mm 7
10 Sept. Sunny
Sunny
29° /18° 9.4 mm 7
11 Sept. Sunny
Sunny
26° /18° 0 mm 7
12 Sept. Sunny
Sunny
28° /18° 0 mm 7
13 Sept. Sunny
Sunny
29° /19° 0.5 mm 7
14 Sept. Sunny
Sunny
28° /18° 0 mm 7
15 Sept. Sunny
Sunny
28° /16° 0 mm 8
16 Sept. Sunny
Sunny
27° /17° 0.8 mm 6
17 Sept. Partly cloudy
Partly cloudy
26° /17° 2.9 mm 6
18 Sept. Partly cloudy
Partly cloudy
21° /16° 3.9 mm 6
19 Sept. Partly cloudy
Partly cloudy
25° /17° 0.6 mm 6
20 Sept. Sunny
Sunny
27° /18° 2.8 mm 7
21 Sept. Patchy rain possible
Patchy rain possible
26° /18° 1.4 mm 6
22 Sept. Sunny
Sunny
28° /18° 0 mm 7
23 Sept. Sunny
Sunny
30° /18° 0 mm 8
24 Sept. Thundery outbreaks possible
Thundery outbreaks possible
28° /19° 0.2 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
28° /18° 0.9 mm 7
26 Sept. Sunny
Sunny
28° /18° 0 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
27° /19° 0 mm 7
28 Sept. Partly cloudy
Partly cloudy
28° /19° 0 mm 7
29 Sept. Partly cloudy
Partly cloudy
27° /16° 0.3 mm 7
30 Sept. Partly cloudy
Partly cloudy
25° /15° 0 mm 7
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Important Notice
Our weather forecast for Thessaloníki 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 Thessaloníki forecast closer to your planned date for the most up-to-date weather information.

Guide for Thessaloníki in September

In Thessaloníki, Greece, September marks the transition from summer to autumn, bringing pleasant weather with gradually decreasing temperatures. At the beginning of the month, Thessaloníki experiences warm and sunny days with an average temperature of 28°.

The evenings are mild, perfect for outdoor dining and strolls along the waterfront. As the month progresses, the temperatures begin to cool down, with average highs of 25° and lows of 17° towards the end of September.

The city experiences a decrease in precipitation, making it an ideal time to explore the historical sites and vibrant culture of Thessaloníki.

The weather in Thessaloníki during September is characterized by clear skies and a gentle breeze from the Aegean Sea, creating a comfortable and inviting atmosphere for travelers.

The sea temperature remains pleasant for swimming and water activities, making it a great time to visit the nearby beaches. Overall, September offers a delightful blend of summer warmth and autumnal charm, making it an excellent time to experience the beauty of Thessaloníki and its surroundings.

Thessaloníki in September - FAQ

Is September a good time to visit Thessaloníki?
Yes, September is a good time to traveling to Thessaloníki, read more about the best time to visit Thessaloníki.
What are the expected maximum and minimum temperatures in Thessaloníki during September?
During September, expect a variety of temperatures with highs around 28° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Thessaloníki during September?
In September, Thessaloníki can expect light to moderate rainfall, totaling 37.9 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Thessaloníki during September?
The average wind speed in Thessaloníki during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Thessaloníki in September?

As you prepare for your trip to Thessaloníki 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 Thessaloníki, 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 Thessaloníki?

Get accurate weather forecasts for Thessaloníki, located at latitude 40.644 and longitude 22.931. Stay updated with localized weather information tailored for Thessaloníki.

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