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Kalmari Weather in September

In Kalmari, September brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 6°C (43°F). Expect quite a bit of rainfall this month.

Rainfall in Kalmari in September

The climate data from previous years indicates about 17 days of rain, averaging 63 mm (2.5 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Kalmari in September

If you're visiting Kalmari in September, expect highs of 14°C (57°F) and overnight lows around 6°C (43°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Kalmari.

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Check the conditions for any month of the year.

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

Kalmari Temperature in September

Min TemperatureMin Temperature 6°C (43°F)  
Max TemperatureMax Temperature 14°C (57°F)  
Chance of RainChance of Rain 56%  
PrecipitationPrecipitation 63 mm (2.5 in)  
Rainy daysRainy days 17 days  
HumidityHumidity 83% *  
* Data from: Ahtari, Finland (52 KM, 32 Miles).

Best Places in Finland in September

Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in September →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Kalmari in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.

What To Do in Kalmari 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.

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

More climate data for Kalmari