Weather in Mo i Rana in September 2025
Average weather
Average temperature in Mo i Rana in September
Going from a maximum of +22°C during the day to a minimum of +3°C during the night, the temperature in September averages around +14°C.
The average maximum temperature goes down 26% by the end of the month, compared with the beginning of the month, from +17°C to +12°C.
Is Mo i Rana warm or cold in September?
Mo i Rana is typically mild in September.
Maximum temperatures go down compared to the previous month from +17°C to +13°C. The minimum temperature also goes down from +10°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 Mo i Rana:
Climate in Mo i Rana in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +13°C | +6°C | ||||
| Min. temperature | ||||||
| +1°C | -8°C | -19°C | ||||
| Max. temperature | ||||||
| +29°C | +24°C | +17°C | ||||
| Rainfall | ||||||
| 133 mm | 168 mm | 146 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 80% | 84% | 87% | ||||
| Air pressure | ||||||
| 1010 HPa | 1009 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 0 | ||||
| Cloudy days | ||||||
| 8 | 7 | 9 | ||||
| Rainy days | ||||||
| 22 | 21 | 15 | ||||
| Snowy days | ||||||
| 0 | 1 | 6 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +17°C in the day, the average maximum temperature lowers to +13°C. Prepare for more rain. Average rainfall goes from 133 mm to 168 mm. Humidity rises from 80% to 84%. The average wind speed doesn’t change much during September, staying around 1 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Mo i Rana is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Mo i Rana?
Climate Change over Years
The climate in Mo i Rana in September has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+5°C) and the highest in 2006 (+8°C). The driest year was 1980 with only 720 mm of rainfall, and the wettest year was 2022 with 2163 mm.
FAQ
Is September a good time to visit Mo i Rana?
Can you sunbathe in Mo i Rana in September?
Is Mo i Rana rainy in September?
Is it sunny in Mo i Rana in September?
Other cities in Norway
Monthly weather in Mo i Rana
Source of the data
For this page, we’ve looked at the typical weather in Mo i Rana, 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.