Karjalohja Weather in September

September in Karjalohja 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 63 mm (2.5 in), so keep a rain jacket handy.

Rainfall in Karjalohja in September

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

Temperature in Karjalohja in September

Expect highs of 16°C (61°F) in Karjalohja in September, with nights dropping to around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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.

Sunshine in Karjalohja in September

The area enjoys a moderate level of sunlight, with around 125 hours. It's a good balance between sunny and cloudy days.

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

Karjalohja Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 58%  

Precipitation 63 mm (2.5 in)  

Rainy days 17 days  

Sunshine 125 hours *  

Percentage Sunshine *  

* Data from: Jokioinen, Finland (65 KM, 40 Miles).

What to Wear in Karjalohja 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Karjalohja in September

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

Swimming

5/10

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 Karjalohja's climate page.

More climate data for Karjalohja

Temperature Rainfall Sunshine

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