Weather in Thessaloníki for September 2025
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.
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Thessaloníki in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  32° | 3 33° | 4  29° | 5 28° | 6 29° | 7 28° |
| 8 28° | 9 29° | 10 29° | 11 26° | 12 28° | 13 29° | 14 28° |
| 15 28° | 16 27° | 17 26° | 18 21° | 19 25° | 20 27° | 21 26° |
| 22 28° | 23 30° | 24  28° | 25 28° | 26 28° | 27 27° | 28 28° |
| 29 27° | 30 25° |
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Temperatures trend during September in Thessaloníki
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 32° /20° | 0 mm | 8 | |
| 2 Sept. | Partly cloudy | 32° /21° | 0 mm | 8 | |
| 3 Sept. | Partly cloudy | 33° /21° | 0 mm | 8 | |
| 4 Sept. | Light rain shower | 29° /20° | 8.7 mm | 6 | |
| 5 Sept. | Light rain shower | 28° /19° | 4.9 mm | 7 | |
| 6 Sept. | Light rain shower | 29° /19° | 2.9 mm | 7 | |
| 7 Sept. | Patchy rain possible | 28° /19° | 3.8 mm | 7 | |
| 8 Sept. | Sunny | 28° /19° | 1.1 mm | 7 | |
| 9 Sept. | Sunny | 29° /19° | 0 mm | 7 | |
| 10 Sept. | Sunny | 29° /18° | 9.4 mm | 7 | |
| 11 Sept. | Sunny | 26° /18° | 0 mm | 7 | |
| 12 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 13 Sept. | Sunny | 29° /19° | 0.5 mm | 7 | |
| 14 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 15 Sept. | Sunny | 28° /16° | 0 mm | 8 | |
| 16 Sept. | Sunny | 27° /17° | 0.8 mm | 6 | |
| 17 Sept. | Partly cloudy | 26° /17° | 2.9 mm | 6 | |
| 18 Sept. | Partly cloudy | 21° /16° | 3.9 mm | 6 | |
| 19 Sept. | Partly cloudy | 25° /17° | 0.6 mm | 6 | |
| 20 Sept. | Sunny | 27° /18° | 2.8 mm | 7 | |
| 21 Sept. | Patchy rain possible | 26° /18° | 1.4 mm | 6 | |
| 22 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 23 Sept. | Sunny | 30° /18° | 0 mm | 8 | |
| 24 Sept. | Thundery outbreaks possible | 28° /19° | 0.2 mm | 7 | |
| 25 Sept. | Patchy rain possible | 28° /18° | 0.9 mm | 7 | |
| 26 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 27 Sept. | Patchy rain possible | 27° /19° | 0 mm | 7 | |
| 28 Sept. | Partly cloudy | 28° /19° | 0 mm | 7 | |
| 29 Sept. | Partly cloudy | 27° /16° | 0.3 mm | 7 | |
| 30 Sept. | Partly cloudy | 25° /15° | 0 mm | 7 | |
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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
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
September rainfall patterns in Thessaloníki
UV exposure in Thessaloníki during September
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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.