September weather forecastStorsien, Sweden

September

Weather in September

The first month of the autumn, September, is still a cool month in Storsien, Sweden, with an average temperature fluctuating between 7.9°C (46.2°F) and 12.3°C (54.1°F).

Temperature

As August makes way for September, Storsien's average high-temperature eases from a refreshing 16.8°C (62.2°F) to a fresh 12.3°C (54.1°F). Storsien's nighttime temperatures in September settle close to daytime highs at an average of 7.9°C (46.2°F).

Humidity

In Storsien, the average relative humidity in September is 81%.

Rainfall

In Storsien, Sweden, during September, the rain falls for 13.8 days and regularly aggregates up to 44mm (1.73") of precipitation. In Storsien, during the entire year, the rain falls for 117.7 days and collects up to 437mm (17.2") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 96.5 snowfall days, and 1080mm (42.52") of snow is accumulated.

Daylight

In Storsien, the average length of the day in September is 13h and 7min.
On the first day of the month, sunrise is at 05:04 and sunset at 19:50. On the last day of September, sunrise is at 06:37 and sunset at 17:58 CEST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

September temperatures vary between a high-temperature of 12.3°C (54.1°F) and a low-temperature of 7.9°C (46.2°F).

In Storsien, the average relative humidity in September is 81%.

In Storsien, in September, it is raining for 13.8 days, with typically 44mm (1.73") of accumulated precipitation.

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

In Storsien, the average day length in September is 13h and 7min.

On the first day of September, sunrise is at 05:04 and sunset at 19:50. On the last day of the month, sunrise is at 06:37 and sunset at 17:58 CEST.

The average sunshine duration in September is 7.2h.

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Storsien, Sweden

  • Average high temperature in September: 12.3°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).

  • Average low temperature in September: 7.9°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).

Average pressure in September
Storsien, Sweden

  • Average pressure in September: 1010.9mbar

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

Average wind speed in September
Storsien, Sweden

  • Average wind speed in September: 15km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).

Average humidity in September
Storsien, Sweden

  • Average humidity in September: 81%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (68%).

Average rainfall in September
Storsien, Sweden

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Storsien, Sweden

  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in September
Storsien, Sweden

  • Average snowfall in September: 1mm

The month with the highest snowfall is March (231mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Storsien, Sweden

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Storsien, Sweden

  • Average daylight in September: 13h and 6min

The month with the longest days is July (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 3h and 6min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is July (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

Average sunshine days in September
Storsien, Sweden

  • Average sunshine days in September: 14 days

The months with the most sunshine days are June and August (16.3 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in September
Storsien, Sweden

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average cloud cover in September
Storsien, Sweden

  • Average cloud cover in September: 50

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in September
Storsien, Sweden

  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).