Normal weather for Oulu in September
It's cool in September in Oulu with an average temperature of 14°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 7°C and 11°C.
In September, there is an average of 20 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the South.
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Oulu in September |
London | ||
|---|---|---|---|
 Average Temperature |
14°C | 20°C | |
 High Temp |
17°C | 22°C | |
| Low Temp |
11°C | 17°C | |
 Total Precipitation |
20 mm | 44 mm | |
| Rainy Days |
6 days | 8 days | |
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.
Start of September
The month of September starts in Oulu with cool temperatures, averaging around 16°C during the day and nights close to 10°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 14°C, with nights close to 9°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 Oulu will be around 12°C, with nights close to 8°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Temperature records for Oulu in September
With 23°C, Oulu hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 4°C in 2014. The extreme night temperatures ranged from a low of -2°C to a high of 16°C.
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Daily Temperature in September in Oulu
This chart shows the average daily temperatures, both day and night, for each day in September in Oulu, 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 Precipitation in September in Oulu
The chart below shows the average daily precipitation in September for Oulu, 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 Oulu.
Daily UV Index in September in Oulu
This chart shows the average daily UV index in September in Oulu, 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.
Temperature in September in Oulu Over the Years
This chart shows the average temperature in September in Oulu, measured in degrees Celsius, over the past years.
Total Precipitation in September in Oulu Over the Years
This chart shows the average precipitation in September in Oulu, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Oulu
Click on a specific day in September for detailed info on the typical weather on that day in Oulu. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Oulu
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Average Weather in Oulu by Month
Click on a month below to see detailed weather info for Oulu. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
