Tammisaari Weather in September

Tammisaari in September averages 16°C (61°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Tammisaari in September

Historically, the month has about 17 days of rain, averaging 63 mm (2.5 in) in total. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Tammisaari in September

If you're visiting Tammisaari in September, expect highs of 16°C (61°F) and overnight lows around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Tammisaari.

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 Tammisaari's climate page.

Tammisaari Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 55%  

Precipitation 63 mm (2.5 in)  

Rainy days 17 days  

What to Wear in Tammisaari in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Tammisaari in September

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

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 Tammisaari's climate page.

More climate data for Tammisaari

Temperature Rainfall

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