September weather forecast and climate
Åstol, Sweden

The first month of the autumn, September, is still a mild month in Åstol, Sweden, with average temperature ranging between max 15.5°C (59.9°F) and min 12.4°C (54.3°F).

Temperature

In September, the average high-temperature is practically the same as in August - a mild 15.5°C (59.9°F). In September, in Åstol, the average low-temperature is 12.4°C (54.3°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In September, in Åstol, the rain falls for 16 days. Throughout September, 54mm (2.13") of precipitation is accumulated. In Åstol, during the entire year, the rain falls for 167.2 days and collects up to 552mm (21.73") of precipitation.

Snowfall

In Åstol snow does not fall in June through October.

Daylight

In September, the average length of the day in Åstol is 12.8h.

Sunshine

In Åstol, Sweden, the average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index in Åstol is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Åstol?

The average high-temperature, in September, in Åstol, is 15.5°C (59.9°F), while the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in September in Åstol?

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

How many days does it rain in September in Åstol?

In Åstol, in September, it is raining for 16 days, with typically 54mm (2.13") of accumulated precipitation.

When it does not snow in Åstol?

June through October are months without snowfall in Åstol.

How many hours of daylight does Åstol have in September?

In Åstol, the average length of the day in September is 12.8h.

How many hours of sunshine does Åstol have in September?

The average sunshine in September is 7.7h.

What is the UV index reading in September in Åstol?

In Åstol, Sweden, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Åstol, Sweden
  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is February (1.8°C).

  • Average low temperature in September: 12.4°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).

Average pressure in September - Åstol, Sweden
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

Average wind speed in September - Åstol, Sweden
  • Average wind speed in September: 22.3km/h

The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is June (18.3km/h).

Average humidity in September - Åstol, 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 - Åstol, Sweden
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is August (76mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September - Åstol, Sweden
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in September - Åstol, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (38mm).
Months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September - Åstol, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Åstol, Sweden
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18h).
The month with the shortest days is December (Average daylight: 6.6h).

  • Average sunshine in September: 7.7h

The month with the most sunshine is June (Average sunshine: 11h).
Months with the least sunshine are February, November and December (Average sunshine: 3.5).

Average sunshine days in September - Åstol, Sweden
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is December (9.4 days).

Average UV index in September - Åstol, Sweden
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September - Åstol, Sweden
  • Average cloud cover in September: 46

Months with the most cloud cover are February, November and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in September - Åstol, Sweden
  • Average visibility in September: 10km

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