Lappajärvi
September
Weather in Lappajärvi for September 2025
Your guide to Lappajärvi weather in September - trends and predictions
Until now, September 2025 in Lappajärvi has been nearly identical to the historical average, with a temperature of 20.4 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Lappajärvi predicts a temperature of 10.7 °C, which is cooler than the historical average.
In general, the average temperature in Lappajärvi at the beginning of September is 21.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.4 °C by the end of September.
The climate of Lappajärvi in September is notably wet, with an average of 12 rainy days, and a total of 65 mm of precipitation.
Temperatures
Rain 🌧️
18
Dry days
12
Rainy days
0
Snow days
16°/8°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Lappajärvi Weather September
Move between months or click on a day
Temperatures trend during September in Lappajärvi
See the weather trend as well as the moving average line
September weather in Lappajärvi day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 19° /10° | 2.2 mm | 5 | |
| 2 Sept. | Patchy rain possible | 20° /9° | 0.3 mm | 5 | |
| 3 Sept. | Patchy rain possible | 18° /11° | 5.4 mm | 4 | |
| 4 Sept. |  Sunny | 23° /11° | 0 mm | 6 | |
| 5 Sept. |  Overcast | 24° /13° | 0.1 mm | 6 | |
| 6 Sept. | Sunny | 25° /13° | 0 mm | 6 | |
| 7 Sept. | Sunny | 23° /12° | 6.4 mm | 6 | |
| 8 Sept. | Patchy rain possible | 22° /12° | 1.3 mm | 5 | |
| 9 Sept. |  Partly cloudy | 22° /13° | 3.9 mm | 6 | |
| 10 Sept. | Overcast | 21° /14° | 0.6 mm | 5 | |
| 11 Sept. |  Heavy rain at times | 21° /12° | 3.5 mm | 5 | |
| 12 Sept. | Heavy rain at times | 17° /12° | 3.2 mm | 4 | |
| 13 Sept. | Overcast | 17° /10° | 0.4 mm | 4 | |
| 14 Sept. | Patchy rain possible | 15° /9° | 1.6 mm | 4 | |
| 15 Sept. | Patchy rain possible | 15° /6° | 2.8 mm | 4 | |
| 16 Sept. | Patchy rain possible | 15° /11° | 4.4 mm | 0.3 | |
| 17 Sept. |  Moderate rain | 14° /9° | 5.2 mm | 0.1 | |
| 18 Sept. | Patchy rain possible | 14° /5° | 0.2 mm | 0.3 | |
| 19 Sept. | Moderate rain | 15° /4° | 8.8 mm | 0.3 | |
| 20 Sept. | Partly cloudy | 11° /5° | 0 mm | 3 | |
| 21 Sept. | Partly cloudy | 13° /3° | 0 mm | 3 | |
| 22 Sept. | Patchy rain possible | 8° /3° | 0.2 mm | 2 | |
| 23 Sept. | Patchy rain possible | 7° /2° | 0.4 mm | 1 | |
| 24 Sept. | Patchy rain possible | 9° /1° | 0.2 mm | 1 | |
| 25 Sept. | Patchy rain possible | 9° /3° | 0.1 mm | 2 | |
| 26 Sept. | Patchy rain possible | 6° /0° | 0.3 mm | 1 | |
| 27 Sept. | Sunny | 9° /1° | 0 mm | 2 | |
| 28 Sept. | Overcast | 9° /0° | 0 mm | 1 | |
| 29 Sept. | Sunny | 8° /1° | 0 mm | 3 | |
| 30 Sept. | Partly cloudy | 9° /1° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Lappajärvi 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 Lappajärvi forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lappajärvi in September - FAQ
What are the expected maximum and minimum temperatures in Lappajärvi during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lappajärvi during September?
Moderate rainfall is anticipated in Lappajärvi during September, with a total of 65 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lappajärvi during September?
The average wind speed in Lappajärvi during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Lappajärvi
Explore the daily rainfall trends and prepare for Lappajärvis September weather 💧
UV exposure in Lappajärvi during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Lappajärvi weather pages
You are here
Where is Lappajärvi?Get accurate weather forecasts for Lappajärvi, located at latitude 63.2 and longitude 23.633. Stay updated with localized weather information tailored for Lappajärvi.
Found a mistake?
We appreciate your attention to details. Tell us here.