Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Mäntyharju Weather in September
September in Mäntyharju brings moderate temperatures, with highs of 16°C (61°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.
Rainfall in Mäntyharju in September
Typically around 17 days of rainfall are expected, averaging 61 mm (2.4 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Mäntyharju in September
Daytime highs in Mäntyharju in September reach 16°C (61°F), with nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Mäntyharju Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
16°C (61°F)
Chance of Rain
57%
Precipitation
61 mm (2.4 in)
Rainy days
17 days
Mäntyharju Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mäntyharju - and find the best time to visit.
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 →
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 Mäntyharju 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 Mäntyharju in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque5/10 -
Camping4/10 -
Outdoor sports10/10
Mäntyharju 3-Day Forecast
More climate data for Mäntyharju
See the full Mäntyharju climate overview or explore weather in Finland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Helsinki
16°C (61°F) Turku17°C (63°F) Tampere
15°C (59°F) Vuokatti
13°C (55°F) Rovaniemi13°C (55°F) Äkäslompolo12°C (54°F) Ruka12°C (54°F) Levi12°C (54°F) Bucket list
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Air Guitar World Championship Finland
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