The weather in September in Finnish Lapland

It's cool in September in Finnish Lapland with an average temperature of 11°C. Temperatures this month range from a low of 8°C to a high of 15°C. At night, you can expect temperatures between 2°C and 6°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Finnish Lapland, Finland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 22°C in 2023, Finnish Lapland reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 1°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -8°C to a highest value of 14°C.

Precipitation and snowfall

In September, there is an average of 35 mm of precipitation, spread over 7 days. Of the total precipitation, about 0,3 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in September for Finnish Lapland

Click on any day in September to get detailed info about the usual weather on that day in Finnish Lapland. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Finnish Lapland New York
Average temperature 11°C 27°C
Max. temperature 15°C 31°C
Min. temperature 2°C -5°C
Total precipitation 35 mm 57 mm
Rainy days 7 days 9 days
Total snowfall 0,3 cm 0 cm
Snowy days 1 day 0 days

Start of September

The month of September starts in Finnish Lapland with cool temps, averaging around 14°C during the day and nights around 5°C.

Mid September

By mid-September, daytime temps drop to around 11°C, with nights around 4°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of September

By the end of September, the average daytime temperature in Finnish Lapland is around 9°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Finnish Lapland for all months and discover the best travel time

Curious about the weather in other parts of Finland? Check out the climate and weather for spots like Helsinki, Rovaniemi, Kuusamo, or explore other destinations in Finland.

Temperature charts

These charts show the average temperatures in September in Finnish Lapland, Finland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Finnish Lapland

Temperature in September in Finnish Lapland over the years

Precipitation charts

These charts show the average amount of precipitation in September in Finnish Lapland, Finland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Finnish Lapland

Total precipitation in September in Finnish Lapland over the years

Daily Snowfall in September in Finnish Lapland

Snowfall in September in Finnish Lapland per year

Daily UV index in September in Finnish Lapland

This chart shows the average daily UV index in September in Finnish Lapland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Finnish Lapland

The weather in September in Finnish Lapland is rated 4 out of 5 stars by 1 visitor. Have you been to Finnish Lapland? Share your weather experience to help other visitors.

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Daytime sunlight and pleasant temperatures were ideal for long walks. Nights were already cold, but that gave us a chance to see the northern lights. Dress warmly!— This text is automatically translated to English

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Average weather in Finnish Lapland by month

Click on a month below to see detailed weather info for Finnish Lapland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.