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Mo i Rana in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Mo i Rana in September and see if it is worth visiting.
Check flight prices to Mo i Rana on Avionero:
September

Weather in Mo i Rana in September 2025

OK Weather
Mild
🌧️
Rainy
Mo i Rana in September usually sees fair weather conditions, with an average daily high temperature of +55°F and roughly 1 sunny days. However, you should prepare for about 21 rainy days with an average precipitation of 168 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+55°F
Avg. max. temperature
+18°F
Min.
+75°F
Max.
168 mm
Total precipitation
84%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
7 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Mo i Rana has OK weather in September.
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Average temperature in Mo i Rana in September

Here are the expected maximum, average and minimum temperatures in Mo i Rana for September based on the historical data.
Last Year
Historical Data

The temperature in September is +57°F on average, with a range between a maximum of +72°F during the day and a minimum of +37°F at night.

The average maximum temperature goes down 26% by the end of the month, compared with the beginning of the month, from +63°F to +54°F.

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 +63°F to +55°F. The minimum temperature also goes down from +50°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 Mo i Rana:

Climate in Mo i Rana in September

Mo i Rana weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+63°F+55°F+43°F
Min. temperature
+34°F+18°F-2°F
Max. temperature
+84°F+75°F+63°F
Rainfall
133 mm168 mm146 mm
Wind
1 m/s1 m/s1 m/s
Humidity
80%84%87%
Air pressure
1010 HPa1009 HPa1008 HPa
Sunny days
110
Cloudy days
879
Rainy days
222115
Snowy days
016

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 +55°F. 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

Wind speed in Mo i Rana in September based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during September in Mo i Rana based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 83%, leading to total precipitation of around 319 mm. The maximum amount of rainfall per day is around 39 mm, which is moderate rain. September is a pretty wet month with over 25 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Mo i Rana, here is a comparison with other months, total mm:
Mo i Rana wettest month is September, where a typical day has a 70% chance of precipitation and 168 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 76 mm of rainfall per day.

How was the weather last September in Mo i Rana?

This is the weather in Mo i Rana in September 2023:
1 September
☁️
+63°F
2 September
☁️
+62°F
3 September
🌧️
+59°F
4 September
🌧️
+55°F
5 September
🌧️
+53°F
6 September
🌧️
+58°F
7 September
🌧️
+64°F
8 September
🌧️
+65°F
9 September
🌧️
+72°F
10 September
☁️
+64°F
11 September
🌧️
+59°F
12 September
🌧️
+59°F
13 September
🌧️
+52°F
14 September
☁️
+53°F
15 September
🌧️
+53°F
16 September
🌧️
+55°F
17 September
☁️
+54°F
18 September
☀️
+57°F
19 September
🌧️
+58°F
20 September
🌧️
+46°F
21 September
🌧️
+50°F
22 September
🌧️
+53°F
23 September
☁️
+57°F
24 September
🌧️
+51°F
25 September
🌧️
+50°F
26 September
🌧️
+53°F
27 September
🌧️
+57°F
28 September
☁️
+58°F
29 September
🌧️
+57°F
30 September
🌧️
+54°F
In September 2023 Mo i Rana had 1 sunny days, 7 cloudy days, and 22 rainy days. The average maximum temperature was +57°F, with an absolute maximum of +72°F and a minimum of +46°F. The average humidity was 88%, with a maximum of 100% and a minimum of 60%. The average wind speed was 2 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Mo i Rana climate has changed over the last 43 years.

The climate in Mo i Rana in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1981 (+40°F) and the highest in 2006 (+47°F). The driest year was 1980 with only 720 mm of rainfall, and the wettest year was 2022 with 2163 mm.

FAQ

Frequently asked questions about the weather in Mo i Rana in September:

Is September a good time to visit Mo i Rana?

It’s always a good time to visit Mo i Rana, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Mo i Rana in September?

September has mild temperatures in Mo i Rana. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Mo i Rana rainy in September?

Mo i Rana is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Mo i Rana in September?

Usually, it’s not very sunny in Mo i Rana in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for 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.