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Temperatures in September

It's cool in September in Kajaani with an average temperature of 13°C. Temperatures this month range from a low of 10°C to a high of 16°C. At night, you can expect temperatures between 5°C and 9°C.

Max and Min Temperatures per Day

Daily Temperature in September in Kajaani

This chart shows the daily maximum and minimum temperatures in degrees Celsius for Kajaani in September. The red line indicates the max temperatures, and the blue line shows the minimums.

Start of September

The month of September starts in Kajaani with cool temperatures, averaging around 16°C during the day and nights close to 8°C. There’s little chance of precipitation. The weather is mostly sunny and dry.

Mid-September

By mid-September, the average daytime temperature drops to around 13°C, with nights close to 7°C. There might be a few showers during this period, but plenty of dry days with sunshine too.

End of September

By the end of September, the average daytime temperature in Kajaani will be around 12°C, with nights close to 6°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.

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Precipitation in September

In September, there is an average of 26 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the South.

The precipitation chance averages 19% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.

Precipitation Chance

Daily precipitation chance in percentages for Kajaani in September

This chart shows the daily precipitation chance (in percentages) in September for Kajaani. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.

Kajaani in September

London
Temperature Average Temperature
13°C 20°C
Sun High Temp
16°C 22°C
Sun Low Temp
10°C 17°C
Rain Total Precipitation
26 mm 44 mm
Rain Rainy Days
6 days 8 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 for Kajaani in September

With 23°C, Kajaani hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 1°C in 2014. The extreme night temperatures ranged from a low of -4°C to a high of 17°C.

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

Curious about the climate in other parts of Finland? Check out the weather and climate in places like Helsinki, Rovaniemi, Kuusamo, or have a look at other destinations in Finland.

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Daily Temperature in September in Kajaani

This chart shows the average daily temperatures, both day and night, for each day in September in Kajaani, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in September in Kajaani

Daily Precipitation in September in Kajaani

The chart below shows the average daily precipitation in September for Kajaani, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 6 days of rain in Kajaani.

Daily Precipitation in September in Kajaani

Daily UV Index in September in Kajaani

This chart shows the average daily UV index in September in Kajaani, 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 Kajaani

Temperature in September in Kajaani Over the Years

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

Temperature in September in Kajaani Over the Years

Total Precipitation in September in Kajaani Over the Years

This chart shows the average precipitation in September in Kajaani, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Kajaani Over the Years

Daily climate in September for Kajaani

Click on a specific day in September for detailed info on the typical weather on that day in Kajaani. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Kajaani

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Average Weather in Kajaani by Month

Click on a month below to see detailed weather info for Kajaani. 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 Kajaani for all months at once

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