Turku
September
Weather in Turku for September 2027
Your guide to Turku weather in September - trends and predictions
In general, the average temperature in Turku at the beginning of September is 18.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14 °C by the end of September.
The climate of Turku in September is notably wet, with an average of 12 rainy days, and a total of 94.7 mm of precipitation.
Is September a good time to visit Turku? check out the best time to travel to Turku page.
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
16°/11°
Temperatures
20 km/h
Avg max wind
81 %
Avg humidity
Turku Weather September
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Temperatures trend during September in Turku
See the weather trend as well as the moving average line
September weather in Turku day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 18° /12° | 8.6 mm | 3.7 | |
| 2 Sept. | Light rain | 17° /11° | 2.6 mm | 3 | |
| 3 Sept. |  Patchy rain possible | 17° /12° | 1.2 mm | 3.6 | |
| 4 Sept. |  Sunny | 19° /12° | 0 mm | 3.5 | |
| 5 Sept. |  Overcast | 20° /12° | 0.1 mm | 3.4 | |
| 6 Sept. | Sunny | 19° /11° | 0.2 mm | 3.3 | |
| 7 Sept. | Patchy rain possible | 19° /11° | 1 mm | 3.2 | |
| 8 Sept. | Patchy rain possible | 20° /14° | 1.7 mm | 3.2 | |
| 9 Sept. | Light rain | 20° /15° | 6.2 mm | 3.1 | |
| 10 Sept. | Light rain | 19° /14° | 3.4 mm | 3 | |
| 11 Sept. | Patchy rain possible | 19° /13° | 1.5 mm | 2.9 | |
| 12 Sept. | Light rain | 17° /13° | 3.4 mm | 2.9 | |
| 13 Sept. | Patchy rain possible | 17° /11° | 1.2 mm | 2.8 | |
| 14 Sept. | Light rain | 15° /9° | 9.5 mm | 2.7 | |
| 15 Sept. | Light rain | 15° /9° | 4.4 mm | 2.6 | |
| 16 Sept. | Light rain | 16° /12° | 6.5 mm | 2.6 | |
| 17 Sept. | Light rain | 15° /11° | 3.9 mm | 2.5 | |
| 18 Sept. | Light rain | 15° /10° | 2.5 mm | 2.4 | |
| 19 Sept. | Light rain | 16° /11° | 3 mm | 2.4 | |
| 20 Sept. | Light rain | 16° /11° | 4.4 mm | 2.3 | |
| 21 Sept. | Light rain | 17° /11° | 3 mm | 2.2 | |
| 22 Sept. | Patchy rain possible | 14° /9° | 0.3 mm | 2.2 | |
| 23 Sept. | Light rain | 14° /8° | 5.7 mm | 2.1 | |
| 24 Sept. | Patchy rain possible | 14° /9° | 0.7 mm | 2 | |
| 25 Sept. | Light rain | 14° /10° | 3.6 mm | 2 | |
| 26 Sept. | Light rain | 14° /11° | 5.8 mm | 1.9 | |
| 27 Sept. | Light rain | 15° /11° | 6.2 mm | 1.8 | |
| 28 Sept. | Patchy rain possible | 14° /9° | 2.2 mm | 1.8 | |
| 29 Sept. |  Mist | 13° /9° | 0.6 mm | 1.7 | |
| 30 Sept. | Light rain shower | 13° /7° | 1.2 mm | 1.7 | |
| Next | |||||
Important Notice
Our weather forecast for Turku 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 Turku forecast closer to your planned date for the most up-to-date weather information.
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Turku in September - FAQ
What are the expected maximum and minimum temperatures in Turku during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Turku during September?
Moderate rainfall is anticipated in Turku during September, with a total of 94.7 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Turku during September?
The average wind speed in Turku during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Turku
Explore the daily rainfall trends and prepare for Turkus September weather 💧
Typically, Turku has 12 rainy days in September with a total of 94.7 mm of rainfall.
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