If you plan to visit Roros in September, the weather is typically alright, with an average high temperature of +11°C during the day and approximately 1 sunny days. Expect some rainy, though, as there are typically 9 rainy days in the month and around 69 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+11°C
Avg. max. temperature
-8°C
Min.
+23°C
Max.
69 mm
Total precipitation
81%
Avg. humidity
2 m/s
Avg. wind
1 ☀️
Sunny Days
20 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Roros has OK weather in September.
Average temperature in Roros in September
Here are the expected maximum, average and minimum temperatures in Roros for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +16°C during the day to a minimum of -1°C during the night, the temperature in September averages around +11°C.
The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +14°C to +9°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
Roros weather looks like this, on average, in September and the surrounding months.
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
97 mm
69 mm
38 mm
Wind
1 m/s
2 m/s
2 m/s
Humidity
79%
81%
84%
Air pressure
1010 HPa
1010 HPa
1008 HPa
Sunny days
2
1
1
Cloudy days
18
20
22
Rainy days
11
9
5
Snowy days
0
0
3
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 97 mm to 69 mm.Humidity rises from 79% to 81%.Winds are stronger in comparison to August, going up from 1 m/s to 2 m/s on average.The days becoming less sunny, going from 2 sunny days in August to 1 in September.
October brings much the same weather, it remains ok.
Wind speed in Roros in September based on historical data.
Last Year
Historical Data
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 1 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Roros based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 50%, leading to total precipitation of around 97 mm. The maximum amount of rainfall per day is around 25 mm, which is moderate rain.September is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Roros wettest month is July, where a typical day has a 39% chance of precipitation and 107 mm of rainfall per day. February, on the other hand, is the driest month with a mere 0% chance of precipitation and 2 mm of rainfall per day.
Snow
Amount of snow in mm during September in Roros based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in September is 0%, for a monthly total of around 0 mm.
Here’s how September is compared with other months in the amount of snow, total mm:
How was the weather last September in Roros?
This is the weather in Roros in September 2023:
1 September
☀️
+14°C
2 September
☁️
+11°C
3 September
☁️
+11°C
4 September
☁️
+10°C
5 September
☀️
+16°C
6 September
☀️
+15°C
7 September
☀️
+16°C
8 September
☀️
+15°C
9 September
☁️
+11°C
10 September
☁️
+14°C
11 September
☁️
+13°C
12 September
🌧️
+13°C
13 September
🌧️
+12°C
14 September
🌧️
+9°C
15 September
🌧️
+9°C
16 September
🌧️
+9°C
17 September
🌧️
+9°C
18 September
🌧️
+9°C
19 September
🌧️
+6°C
20 September
☁️
+8°C
21 September
🌫️
+12°C
22 September
☀️
+10°C
23 September
🌧️
+9°C
24 September
🌧️
+8°C
25 September
☀️
+9°C
26 September
🌧️
+7°C
27 September
🌧️
+9°C
28 September
☁️
+10°C
29 September
☁️
+9°C
30 September
☁️
+9°C
In September 2023 Roros had 7 sunny days, 10 cloudy days, and 12 rainy days. The average maximum temperature was +11°C, with an absolute maximum of +16°C and a minimum of +6°C. The average humidity was 81%, with a maximum of 100% and a minimum of 25%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Roros climate have been changing during last 43 years period.
The climate in Roros in September has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+8°C) and the highest in 2016 (+16°C). The driest year was 2000 with only 20 mm of rainfall, and the wettest year was 1988 with 156 mm.
FAQ
Frequently asked questions about the weather in Roros in September:
Is September a good time to visit Roros?
It’s always a good time to visit Roros, 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 Roros in September?
Not really, September is not the best time to sunbathe, unless you visit a local solarium.
Is Roros rainy in September?
Roros 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 Roros in September?
Usually, it’s not very sunny in Roros in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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, 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.