Weather in Oulu in September 2024
Average weather
Average temperature in Oulu in September
The temperature in September is +52°F on average, with a range between a maximum of +57°F during the day and a minimum of +36°F at night.
The average maximum temperature goes down 50% by the end of the month, compared with the beginning of the month, from +52°F to +41°F.
Is Oulu warm or cold in September?
Oulu is typically mild in September.
Maximum temperatures go down compared to the previous month from +63°F to +54°F. The minimum temperature also goes down from +52°F to +43°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Oulu:
Climate in Oulu in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +63°F | +54°F | +41°F | ||||
| Min. temperature | ||||||
| +36°F | +27°F | +1°F | ||||
| Max. temperature | ||||||
| +84°F | +75°F | +68°F | ||||
| Rainfall | ||||||
| 77 mm | 59 mm | 46 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 77% | 81% | 86% | ||||
| Air pressure | ||||||
| 1010 HPa | 1010 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 6 | 4 | 3 | ||||
| Cloudy days | ||||||
| 16 | 19 | 20 | ||||
| Rainy days | ||||||
| 9 | 7 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 2 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +63°F in the day, the average maximum temperature lowers to +54°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 77 mm to 59 mm. Humidity rises from 77% to 81%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 6 sunny days in August to 4 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Oulu is gradually decreasing during September, going from 4 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Oulu?
Climate Change Over the Years
The climate in Oulu in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+48°F) and the highest in 2013 (+61°F). The driest year was 1990 with only 14 mm of rainfall, and the wettest year was 2004 with 104 mm.
FAQ
Is September a good time to visit Oulu?
Can you sunbathe in Oulu in September?
Is Oulu rainy in September?
Is it sunny in Oulu in September?
Other cities in Finland
Monthly weather in Oulu
Source of the data
For this page, we’ve looked at the typical weather in Oulu, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.