September weather forecastRunsås, Sweden

September

Weather in September

September, the first month of the autumn in Runsås, is still a comfortable month, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 12.9°C (55.2°F).

Temperature

September's onset records an average high-temperature of a still comfortable 16°C (60.8°F), a near match to August's 18.8°C (65.8°F). Runsås observes a minimal variance in temperature, with a consistent average low of 12.9°C (55.2°F) during the nights of September.

Humidity

The average relative humidity in September in Runsås, Sweden, is 78%.

Rainfall

In September, the rain falls for 17.2 days. Throughout September, 57mm (2.24") of precipitation is accumulated. Throughout the year, in Runsås, there are 185.4 rainfall days, and 594mm (23.39") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Runsås, the average length of the day in September is 12h and 47min.
On the first day of the month, sunrise is at 06:14 and sunset at 20:09. On the last day of September, in Runsås, sunrise is at 07:14 and sunset at 18:48 CEST.

Sunshine

In September, the average sunshine is 7.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

In Runsås, in September, the average high-temperature is 16°C (60.8°F), and the average low-temperature is 12.9°C (55.2°F).

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

In September, in Runsås, the rain falls for 17.2 days. Throughout September, 57mm (2.24") of precipitation is accumulated.

May through October are months without snowfall in Runsås, Sweden.

In Runsås, Sweden, the average day length in September is 12h and 47min.

In September, on the first day of the month, sunrise is at 06:14 and sunset at 20:09. On the last day of the month, in Runsås, Sweden, sunrise is at 07:14 and sunset at 18:48 CEST.

The average sunshine duration in September is 7.9h.

The average daily maximum UV index in September in Runsås is 4. A UV Index value of 3 to 5 symbolizes 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
Runsås, Sweden

  • Average high temperature in September: 16°C

The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (1.9°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).

Average pressure in September
Runsås, Sweden

  • Average pressure in September: 1014.1mbar

The month with the highest atmospheric pressure is April (1014.9mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Runsås, Sweden

  • Average wind speed in September: 22.6km/h

The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is June (19km/h).

Average humidity in September
Runsås, Sweden

  • Average humidity in September: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Runsås, Sweden

  • Average rainfall in September: 57mm

The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in September
Runsås, Sweden

  • Average rainfall days in September: 17.2 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in September
Runsås, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Runsås, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).

Average sunshine days in September
Runsås, Sweden

  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is August (8.3 days).

Average UV index in September
Runsås, Sweden

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Runsås, Sweden

  • Average cloud cover in September: 46

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 37).

Average visibility in September
Runsås, Sweden

  • Average visibility in September: 10km

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