Petäjävesi Weather in September

September in Petäjävesi brings moderate temperatures around 15°C (59°F) during the day, dropping to 6°C (43°F) at night, with quite a bit of rainfall expected, averaging around 64 mm (2.5 in) for the month.

Rainfall in Petäjävesi in September

Typically, you can expect about 17 days of rain this month, with 64 mm (2.5 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Petäjävesi in September

Temperatures in Petäjävesi in September top out at 15°C (59°F) and drop to 6°C (43°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

For Petäjävesi itself, June, July and August generally stand out with 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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For a detailed overview over the year and the best time to visit Finland, check out our Petäjävesi's climate page.

Petäjävesi Temperature in September

Min Temperature 6°C (43°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 57%  

Precipitation 64 mm (2.5 in)  

Rainy days 17 days  

Humidity 83% *  

* Data from: Ahtari, Finland (59 KM, 37 Miles).

What to Wear in Petäjävesi 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.

What To Do in Petäjävesi in September

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

Cycling

6/10

Walking

6/10

Barbeque

5/10

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 Petäjävesi's climate page.

More climate data for Petäjävesi

Temperature Rainfall Humidity

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