Sannäs Weather in September

September in Sannäs sees daytime temperatures around 17°C (63°F) and lows of 9°C (48°F) at night. With around 61 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Sannäs in September

Typically, about 16 days will experience rainfall, with an average of 61 mm (2.4 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Sannäs in September

Sannäs in September gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sannäs in September

The month brings about 151 hours of sunlight, offering a comfortable mix of sun and overcast.

For Sannäs itself, June, July and August generally stand out with 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 Sannäs's climate page.

Sannäs Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 53%  

Precipitation 61 mm (2.4 in)  

Rainy days 16 days  

Humidity 84% *  

Sunshine 151 hours *  

Percentage Sunshine *  

* Data from: Helsinki, Finland (47 KM, 29 Miles).

What to Wear in Sannäs in September

For Sannäs 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sannäs 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

Barbeque

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 Sannäs's climate page.

More climate data for Sannäs

Temperature Rainfall Sunshine Humidity

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