September weather forecastÄtran, Sweden

September

Weather in September

September, the first month of the autumn in Ätran, is still a refreshing month, with an average temperature fluctuating between 16.3°C (61.3°F) and 11.9°C (53.4°F).

Temperature

With the onset of September, Ätran's climate undergoes a slight change as the average high-temperature moves from 19.5°C (67.1°F) in August to a still refreshing 16.3°C (61.3°F). Throughout September, Ätran's nights experience a slight temperature dip to a fresh 11.9°C (53.4°F).

Humidity

The average relative humidity in September in Ätran is 79%.

Rainfall

In Ätran, in September, it is raining for 17.1 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, in Ätran, there are 180.4 rainfall days, and 615mm (24.21") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 46min.
On the first day of the month, sunrise is at 06:12 and sunset at 20:05. On the last day of September, in Ätran, sunrise is at 07:11 and sunset at 18:45 CEST.

Sunshine

The average sunshine in September in Ätran, Sweden, is 7.4h.

UV index

In Ätran, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature in Ätran during September is 16.3°C (61.3°F) and the low-temperature is 11.9°C (53.4°F).

The average relative humidity in September is 79%.

In September, in Ätran, the rain falls for 17.1 days. Throughout September, 63mm (2.48") of precipitation is accumulated.

In Ätran, snow does not fall in May through September.

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

In Ätran, Sweden, the average day length in September is 12h and 46min.

On the first day of September in Ätran, Sweden, sunrise is at 06:12 and sunset at 20:05. On the last day of the month, sunrise is at 07:11 and sunset at 18:45 CEST.

In Ätran, the average sunshine duration in September is 7.4h.

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

  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (1.9°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (-0.9°C).

Average pressure in September
Ätran, Sweden

  • Average pressure in September: 1014.5mbar

The month with the highest atmospheric pressure is April (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).

Average wind speed in September
Ätran, Sweden

  • Average wind speed in September: 17.3km/h

The windiest month (with the highest average wind speed) is December (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.1km/h).

Average humidity in September
Ätran, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Ätran, Sweden

  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is August (85mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Ätran, Sweden

  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (10.9 days).

Average snowfall in September
Ätran, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (60mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Ätran, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

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

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are November and December (Average sunshine: 3h and 18min).

Average sunshine days in September
Ätran, Sweden

  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is April (15.9 days).
The month with the least sunshine days is August (8 days).

Average UV index in September
Ätran, Sweden

  • Average UV index in September: 4

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

Average cloud cover in September
Ätran, Sweden

  • Average cloud cover in September: 49

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 40).

Average visibility in September
Ätran, Sweden

  • Average visibility in September: 10km

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