Weather in Umea in September 2025
Average weather
Average temperature in Umea in September
The temperature in September is +16°C on average, with a range between a maximum of +21°C during the day and a minimum of +1°C at night.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +17°C to +14°C.
Is Umea warm or cold in September?
Umea is typically mild in September.
Maximum temperatures go down compared to the previous month from +18°C to +13°C. The minimum temperature also goes down from +11°C to +6°C.
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 Umea:
Climate in Umea in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +18°C | +13°C | +7°C | ||||
| Min. temperature | ||||||
| 0°C | -7°C | -14°C | ||||
| Max. temperature | ||||||
| +27°C | +22°C | +17°C | ||||
| Rainfall | ||||||
| 82 mm | 66 mm | 63 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 78% | 80% | 83% | ||||
| Air pressure | ||||||
| 1010 HPa | 1010 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 5 | ||||
| Cloudy days | ||||||
| 9 | 10 | 10 | ||||
| Rainy days | ||||||
| 16 | 15 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 4 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +18°C in the day, the average maximum temperature lowers to +13°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 82 mm to 66 mm. Humidity rises from 78% to 80%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
October brings much the same weather, it remains ok.
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 Umea is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Umea?
Climate Change over Years
The climate in Umea in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+4°C) and the highest in 2020 (+9°C). The driest year was 2002 with only 256 mm of rainfall, and the wettest year was 2012 with 650 mm.
FAQ
Is September a good time to visit Umea?
Can you sunbathe in Umea in September?
Is Umea rainy in September?
Is it sunny in Umea in September?
Other cities in Sweden
Monthly weather in Umea
Source of the data
For this page, we’ve looked at the typical weather in Umea, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
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.