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.

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

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  

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.

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 Harjavalta's climate page.

More climate data for Harjavalta

Temperature Rainfall

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