Vantaa
September
Weather in Vantaa for September 2027
Your guide to Vantaa weather in September - trends and predictions
In general, the average temperature in Vantaa at the beginning of September is 18.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.
The climate of Vantaa in September is notably wet, with an average of 11 rainy days, and a total of 83 mm of precipitation.
Is September a good time to visit Vantaa? check out the best time to travel to Vantaa page.
Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
17°/10°
Temperatures
17 km/h
Avg max wind
81 %
Avg humidity
Vantaa Weather September
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Temperatures trend during September in Vantaa
See the weather trend as well as the moving average line
September weather in Vantaa day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 18° /12° | 2.6 mm | 3 | |
| 2 Sept. | Light rain | 18° /12° | 3.8 mm | 3.7 | |
| 3 Sept. |  Light rain shower | 19° /12° | 1.2 mm | 3.6 | |
| 4 Sept. |  Cloudy | 19° /12° | 0.2 mm | 3.5 | |
| 5 Sept. | Patchy rain possible | 21° /12° | 0.2 mm | 3.4 | |
| 6 Sept. |  Sunny | 19° /11° | 0 mm | 3.4 | |
| 7 Sept. | Sunny | 19° /10° | 0.3 mm | 3.3 | |
| 8 Sept. |  Mist | 20° /14° | 0.3 mm | 3.2 | |
| 9 Sept. | Patchy rain possible | 19° /14° | 1.4 mm | 3.1 | |
| 10 Sept. | Patchy rain possible | 19° /13° | 2.4 mm | 3 | |
| 11 Sept. | Patchy rain possible | 19° /13° | 2.4 mm | 3 | |
| 12 Sept. | Mist | 18° /12° | 0.5 mm | 2.9 | |
| 13 Sept. |  Moderate rain | 17° /12° | 9.4 mm | 2.8 | |
| 14 Sept. | Light rain | 17° /10° | 7.2 mm | 2.7 | |
| 15 Sept. | Light rain | 15° /9° | 2.6 mm | 2.7 | |
| 16 Sept. | Light rain | 17° /11° | 2.6 mm | 2.6 | |
| 17 Sept. | Light rain | 17° /11° | 4 mm | 2.5 | |
| 18 Sept. | Light rain | 15° /9° | 2.8 mm | 2.5 | |
| 19 Sept. | Light rain | 18° /10° | 3.6 mm | 2.4 | |
| 20 Sept. | Light rain shower | 17° /10° | 2 mm | 2.3 | |
| 21 Sept. | Patchy rain possible | 17° /10° | 1.1 mm | 2.3 | |
| 22 Sept. | Sunny | 14° /8° | 0 mm | 2.2 | |
| 23 Sept. | Light rain | 13° /7° | 2.9 mm | 2.1 | |
| 24 Sept. | Light rain | 14° /8° | 4.4 mm | 2.1 | |
| 25 Sept. | Light rain | 15° /9° | 5.9 mm | 2 | |
| 26 Sept. | Light rain | 15° /11° | 7.6 mm | 1.9 | |
| 27 Sept. | Light rain | 15° /10° | 4.3 mm | 1.9 | |
| 28 Sept. | Light rain | 14° /9° | 6.1 mm | 1.8 | |
| 29 Sept. |  Partly cloudy | 13° /9° | 0.4 mm | 1.7 | |
| 30 Sept. | Patchy rain possible | 13° /7° | 1 mm | 1.7 | |
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Important Notice
Our weather forecast for Vantaa 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 Vantaa forecast closer to your planned date for the most up-to-date weather information.
Change Month
Vantaa in September - FAQ
What are the expected maximum and minimum temperatures in Vantaa during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vantaa during September?
Moderate rainfall is anticipated in Vantaa during September, with a total of 83 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Vantaa during September?
The average wind speed in Vantaa during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Vantaa
Explore the daily rainfall trends and prepare for Vantaas September weather 💧
Typically, Vantaa has 11 rainy days in September with a total of 83 mm of rainfall.
UV exposure in Vantaa during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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