Forssa Weather in September

Forssa in September averages 16°C (61°F) during the day and 7°C (45°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Forssa in September

Typically, you can expect about 18 days of rain this month, with 61 mm (2.4 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Forssa in September

September in Forssa sees highs of 16°C (61°F) and lows of 7°C (45°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Forssa in September

You can expect a moderate amount of sunlight, with approximately 125 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Forssa in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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For a detailed overview over the year and the best time to visit Finland, check out our Forssa's climate page.

Forssa Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 60%  

Precipitation 61 mm (2.4 in)  

Rainy days 18 days  

Windspeed 3 m/s (6 knots) *  

Sunshine 125 hours *  

Percentage Sunshine *  

* Data from: Jokioinen, Finland (7 KM, 4 Miles).

What to Wear in Forssa in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Forssa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Finland, check out our Forssa's climate page.

More climate data for Forssa

Temperature Rainfall Sunshine Wind Speed

See the full Forssa climate overview or explore weather in Finland.