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.
Harjavalta Weather in September
Harjavalta in September sees moderate temperatures, with highs around 16°C (61°F) and overnight lows of 7°C (45°F). Rainfall is fairly high at around 65 mm (2.6 in) on average, so pack waterproofs just in case.
Rainfall in Harjavalta in September
Historically, the month has about 17 days of rain, averaging 65 mm (2.6 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 Harjavalta in September
In September, Harjavalta gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.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.
Harjavalta Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
16°C (61°F)
Chance of Rain
57%
Precipitation
65 mm (2.6 in)
Rainy days
17 days
Harjavalta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harjavalta - 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 Harjavalta in September
For Harjavalta in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Harjavalta in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Harjavalta 3-Day Forecast
More climate data for Harjavalta
See the full Harjavalta 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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