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Average weather for Finnish Lapland in September

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.

Daily Temperature in September in Finnish Lapland

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. There’s little chance of precipitation. The weather’s mostly sunny and dry.

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.

In September, there is an average of 35 mm of precipitation, spread over 8 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.

Finnish Lapland in September

New York
Temperature Average temperature
11°C 27°C
Sun Max. temperature
15°C 31°C
Sun Min. temperature
8°C -5°C
Rain Total precipitation
35 mm 57 mm
Rain Rainy days
8 days 9 days
Snow Total snowfall
0,3 cm 0 cm
Snow Snowy days
1 day 0 days

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.

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.

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.

Daily Temperature in September in Finnish Lapland

This chart shows the average daily high and low temperatures in September for Finnish Lapland, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Finnish Lapland

Weather experiences in September in Finnish Lapland

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Daytime sunlight and pleasant temperatures were ideal for lo... more

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Daily Precipitation in September in Finnish Lapland

The chart below shows the average daily precipitation in September for Finnish Lapland, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Finnish Lapland.

Daily Precipitation in September in Finnish Lapland

Daily Snowfall in September in Finnish Lapland

This chart shows the average daily snowfall in September in Finnish Lapland, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.

Daily Snowfall in September in Finnish Lapland

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.

Daily UV Index in September in Finnish Lapland

Temperature in September in Finnish Lapland over the years

This chart shows the average temperature in September in Finnish Lapland, measured in degrees Celsius, over the past few years.

Temperature in September in Finnish Lapland Over the Years

Total precipitation in September in Finnish Lapland over the years

This chart shows the average precipitation in September in Finnish Lapland, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Finnish Lapland over the years

Snowfall in September in Finnish Lapland per year

This chart shows the average snowfall in September in Finnish Lapland, measured in centimeters, over the past few years.

Snowfall in September in Finnish Lapland over the past years

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.

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.


Or check out the climate of Finnish Lapland for all months at once

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