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Weather in Espoo for September 2025

Your guide to Espoo weather in September - trends and predictions
  • In general, the average temperature in Espoo at the beginning of September is 19 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of September.

  • The climate of Espoo in September is notably wet, with an average of 13 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Espoo in September average weather

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Temperatures trend during September in Espoo

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. Light rain shower
Light rain shower
17° /12° 4.8 mm 4
2 Sept. Light rain shower
Light rain shower
17° /12° 6.4 mm 4
3 Sept. Light rain shower
Light rain shower
20° /12° 0.6 mm 5
4 Sept. Cloudy
Cloudy
20° /13° 0 mm 5
5 Sept. Patchy rain possible
Patchy rain possible
21° /13° 0.2 mm 5
6 Sept. Partly cloudy
Partly cloudy
18° /11° 0 mm 6
7 Sept. Partly cloudy
Partly cloudy
20° /10° 0 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
20° /13° 0.1 mm 5
9 Sept. Overcast
Overcast
20° /14° 0 mm 5
10 Sept. Mist
Mist
20° /14° 1.2 mm 5
11 Sept. Mist
Mist
19° /14° 5.3 mm 5
12 Sept. Sunny
Sunny
20° /14° 0.2 mm 5
13 Sept. Moderate rain
Moderate rain
18° /13° 12.1 mm 4
14 Sept. Overcast
Overcast
18° /11° 12.1 mm 5
15 Sept. Cloudy
Cloudy
16° /9° 1 mm 4
16 Sept. Overcast
Overcast
18° /11° 0 mm 4
17 Sept. Light rain shower
Light rain shower
18° /10° 0.6 mm 5
18 Sept. Overcast
Overcast
16° /8° 0 mm 4
19 Sept. Light rain shower
Light rain shower
19° /10° 1 mm 5
20 Sept. Light rain shower
Light rain shower
18° /11° 2 mm 5
21 Sept. Patchy rain possible
Patchy rain possible
17° /10° 0 mm 5
22 Sept. Sunny
Sunny
16° /9° 0 mm 5
23 Sept. Light rain shower
Light rain shower
16° /10° 6.4 mm 4
24 Sept. Patchy light drizzle
Patchy light drizzle
17° /11° 0.9 mm 5
25 Sept. Overcast
Overcast
16° /11° 1.9 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
16° /12° 10.9 mm 4
27 Sept. Light drizzle
Light drizzle
16° /12° 9.5 mm 4
28 Sept. Mist
Mist
16° /9° 11.6 mm 4
29 Sept. Partly cloudy
Partly cloudy
14° /9° 0.3 mm 4
30 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
13° /7° 2.5 mm 4
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Important Notice
Our weather forecast for Espoo 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 Espoo forecast closer to your planned date for the most up-to-date weather information.

Espoo in September - FAQ

What are the expected maximum and minimum temperatures in Espoo during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Espoo during September?
Moderate rainfall is anticipated in Espoo during September, with a total of 73.2 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Espoo during September?
The average wind speed in Espoo during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Espoo in September?

As you prepare for your trip to Espoo 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 Espoo, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Espoo

Explore the daily rainfall trends and prepare for Espoos September weather 💧

UV exposure in Espoo during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Espoo?

Get accurate weather forecasts for Espoo, located at latitude 60.205 and longitude 24.652. Stay updated with localized weather information tailored for Espoo.

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