Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderate 14.3°C (57.7°F) in August to a frosty 9.8°C (49.6°F). Røros, in September, witnesses an average low-temperature of 3.2°C (37.8°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Røros, Norway, in September, during 10.5 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 105.7 rainfall days, and 278mm (10.94") of precipitation is accumulated.Snowfall
Months with snowfall are January through July, September through December. September is the first month it typically snows in Røros. Throughout September, in the average 2 snowfall days, it receives 28mm (1.1") of snow. Throughout the year, there are 112.8 snowfall days, and 659mm (25.94") of snow is accumulated.Daylight
The average length of the day in September in Røros is 12h and 57min.On the first day of the month, sunrise is at 06:03 and sunset at 20:24. On the last day of September, in Røros, sunrise is at 07:20 and sunset at 18:47 CEST.
Sunshine
In September, the average sunshine is 7h.UV index
The average daily maximum UV index in September in Røros, Norway, is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are September temperatures in Røros?
What is the average humidity in September in Røros?
How many days does it rain in September in Røros?
When does it start snowing in Røros?
How many hours of daylight does Røros have in September?
When is the sunrise / sunset in September in Røros?
How long on average sun shines in September in Røros?
What is the UV index intensity in September in Røros?
Average temperature in September
Røros, Norway
- Average high temperature in September: 9.8°C
The warmest month (with the highest average high temperature) is July (15.3°C).
The month with the lowest average high temperature is January (-6.6°C).
- Average low temperature in September: 3.2°C
The month with the highest average low temperature is July (7.1°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in September
Røros, Norway
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in September
Røros, Norway
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest months (with the lowest average wind speed) are April and August (12.7km/h).
Average humidity in September
Røros, Norway
- Average humidity in September: 84%
The months with the highest relative humidity are January, February, March, April and December (93%).
The month with the lowest relative humidity is June (74%).
Average rainfall in September
Røros, Norway
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in September
Røros, Norway
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Røros, Norway
- Average snowfall in September: 28mm
The month with the highest snowfall is February (94mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Røros, Norway
- Average snowfall days in September: 2 days
The month with the highest number of snowfall days is December (16.4 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Røros, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Røros, Norway
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Røros, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Røros, Norway
- Average cloud cover in September: 57
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Røros, Norway
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is April (6km).
Røros, Norway
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