Sastamala Weather in September

During September, Sastamala experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 7°C (45°F). Expect quite a bit of rainfall. Around 61 mm (2.4 in) is typical.

Rainfall in Sastamala in September

Climate statistics over the past 30 years suggest around 18 days of rain, with 61 mm (2.4 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Sastamala in September

Temperatures in Sastamala in September top out at 16°C (61°F) and drop to 7°C (45°F) overnight. Conditions are often most pleasant around the middle of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sastamala in September

The city usually sees around 125 hours of sunlight, indicating a moderately sunny period.

If you prefer enjoying temperate temperatures and rain-free days, 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.

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 Sastamala's climate page.

Sastamala Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 59%  

Precipitation 61 mm (2.4 in)  

Rainy days 18 days  

Sunshine 125 hours *  

Percentage Sunshine *  

* Data from: Jokioinen, Finland (66 KM, 41 Miles).

What to Wear in Sastamala 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sastamala 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 Sastamala's climate page.

More climate data for Sastamala

Temperature Rainfall Sunshine

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