September weather forecastRøsvik, Norway

September

Weather in September

September, the first month of the autumn in Røsvik, is still a cool month, with an average temperature ranging between max 11.1°C (52°F) and min 8.1°C (46.6°F).

Temperature

In September, the average high-temperature marginally decreases from a refreshing 14.1°C (57.4°F) in August to a cool 11.1°C (52°F). Røsvik documents an average low-temperature of 8.1°C (46.6°F) for the nights of September.

Humidity

In Røsvik, the average relative humidity in September is 78%.

Rainfall

In Røsvik, in September, during 17.5 rainfall days, 73mm (2.87") of precipitation is typically accumulated. In Røsvik, during the entire year, the rain falls for 164.8 days and collects up to 809mm (31.85") of precipitation.

Snowfall

July through September are months without snowfall.

Daylight

In September, the average length of the day in Røsvik is 13h and 11min.
On the first day of September in Røsvik, sunrise is at 05:29 and sunset at 20:26. On the last day of the month, sunrise is at 07:08 and sunset at 18:27 CEST.

Sunshine

The average sunshine in September is 6.2h.

UV index

In September, the average daily maximum UV index in Røsvik is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during September translates into the following guidance:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

The high-temperature in Røsvik during September is 11.1°C (52°F) and the low-temperature is 8.1°C (46.6°F).

The average relative humidity in September in Røsvik is 78%.

In Røsvik, Norway, in September, during 17.5 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

July through September are months without snowfall in Røsvik, Norway.

In Røsvik, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length is 13h and 11min.

On the first day of September in Røsvik, sunrise is at 05:29 and sunset at 20:26. On the last day of the month, sunrise is at 07:08 and sunset at 18:27 CEST.

The average sunshine duration in September in Røsvik is 6.2h.

In Røsvik, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Røsvik, Norway

  • Average high temperature in September: 11.1°C

The warmest month (with the highest average high temperature) is August (14.1°C).
The month with the lowest average high temperature is February (-1.1°C).

  • Average low temperature in September: 8.1°C

The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).

Average pressure in September
Røsvik, Norway

  • Average pressure in September: 1009.1mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.8mbar).

Average wind speed in September
Røsvik, Norway

  • Average wind speed in September: 17.1km/h

The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

Average humidity in September
Røsvik, Norway

  • Average humidity in September: 78%

The month with the highest relative humidity is April (81%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Røsvik, Norway

  • Average rainfall in September: 73mm

The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is May (53mm).

Average rainfall days in September
Røsvik, Norway

  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September
Røsvik, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).

Average snowfall days in September
Røsvik, Norway

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is March (15.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Røsvik, Norway

  • Average daylight in September: 13h and 12min

The month with the longest days is May (Average daylight: 18h and 54min).
The month with the shortest days is June (Average daylight: 0h and 0min).

  • Average sunshine in September: 6h and 12min

The month with the most sunshine is May (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).

Average sunshine days in September
Røsvik, Norway

  • Average sunshine days in September: 10.9 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is April (9.2 days).

Average UV index in September
Røsvik, Norway

  • Average UV index in September: 2

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in September
Røsvik, Norway

  • Average cloud cover in September: 58

The month with the most cloud cover is March (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 53).

Average visibility in September
Røsvik, Norway

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).