September weather forecastKårsta, Sweden

September

Weather in September

September, the first month of the autumn in Kårsta, is also a moderate month, with an average temperature fluctuating between 9.5°C (49.1°F) and 15.9°C (60.6°F).

Temperature

Kårsta experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a pleasant 20.6°C (69.1°F) in August to a mild 15.9°C (60.6°F). During September, Kårsta witnesses a consistent average low-temperature of 9.5°C (49.1°F).

Humidity

The average relative humidity in September is 80%.

Rainfall

In Kårsta, in September, during 13.2 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Kårsta, during the entire year, the rain falls for 147.2 days and collects up to 402mm (15.83") of precipitation.

Snowfall

In Kårsta, snow does not fall in June through September.

Daylight

In Kårsta, the average length of the day in September is 12h and 51min.
On the first day of the month, sunrise is at 05:44 and sunset at 19:49. On the last day of September, in Kårsta, sunrise is at 06:51 and sunset at 18:22 CEST.

Sunshine

In Kårsta, the average sunshine in September is 7.9h.

UV index

In September, the average daily maximum UV index in Kårsta is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

An average high-temperature, in September, in Kårsta, is 15.9°C (60.6°F) and the average low-temperature is 9.5°C (49.1°F).

The average relative humidity in September in Kårsta, Sweden, is 80%.

In Kårsta, in September, it is raining for 13.2 days, with typically 27mm (1.06") of accumulated precipitation.

In Kårsta, snow does not fall in June through September.

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

In Kårsta, Sweden, the average day length in September is 12h and 51min.

In September, on the first day of the month, sunrise is at 05:44 and sunset at 19:49. On the last day of the month, in Kårsta, sunrise is at 06:51 and sunset at 18:22 CEST.

In Kårsta, Sweden, the average sunshine duration in September is 7.9h.

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

  • Average high temperature in September: 15.9°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Kårsta, Sweden

  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in September
Kårsta, Sweden

  • Average wind speed in September: 13.6km/h

The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).

Average humidity in September
Kårsta, Sweden

  • Average humidity in September: 80%

The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Kårsta, Sweden

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Kårsta, Sweden

  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Kårsta, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (105mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kårsta, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 54min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days in September
Kårsta, Sweden

  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is August (9.9 days).

Average UV index in September
Kårsta, 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 and February (UV index 1).

Average cloud cover in September
Kårsta, Sweden

  • Average cloud cover in September: 44

The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in September
Kårsta, Sweden

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).