Weather in Roros in September 2025
Average weather
Average temperature in Roros in September
The expected average maximum temperature in September is +13°C with a maximum of +20°C and a minimum of 0°C.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +14°C to +10°C.
Is Roros warm or cold in September?
Roros is typically cool in September.
Maximum temperatures go down compared to the previous month from +15°C to +11°C. The minimum temperature also goes down from +7°C to +3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how September is compared to other months in Roros:
Climate in Roros in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +15°C | +11°C | +5°C | ||||
| Min. temperature | ||||||
| -3°C | -8°C | -20°C | ||||
| Max. temperature | ||||||
| +26°C | +23°C | +21°C | ||||
| Rainfall | ||||||
| 99 mm | 69 mm | 37 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 79% | 81% | 84% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 8 | 9 | 12 | ||||
| Rainy days | ||||||
| 21 | 18 | 9 | ||||
| Snowy days | ||||||
| 0 | 2 | 9 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +15°C in the day, the average maximum temperature lowers to +11°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 99 mm to 69 mm. Humidity rises from 79% to 81%. 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 1 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Roros is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Roros?
Climate Change over Years
The climate in Roros in September has not changed much over the last 43 years.
The average temperature was the lowest in 2010 (+3°C) and the highest in 2020 (+7°C). The driest year was 1982 with only 381 mm of rainfall, and the wettest year was 2015 with 615 mm.
FAQ
Is September a good time to visit Roros?
Can you sunbathe in Roros in September?
Is Roros rainy in September?
Is it sunny in Roros in September?
Other cities in Norway
Monthly weather in Roros
Source of the data
For this page, we’ve looked at the typical weather in Roros, 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.