September weather forecastKasa, Sweden

September

Weather in September

The first month of the autumn, September, is still a mild month in Kasa, Sweden, with an average temperature fluctuating between 13.5°C (56.3°F) and 7.6°C (45.7°F).

Temperature

September brings a slight decrease in temperature, down from a comfortable 18°C (64.4°F) in August to a mild 13.5°C (56.3°F). Kasa experiences an average temperature drop to a frosty 7.6°C (45.7°F) during September nights.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Kasa, during September, the rain falls for 12.5 days and regularly aggregates up to 27mm (1.06") of precipitation. In Kasa, Sweden, during the entire year, the rain falls for 118.4 days and collects up to 372mm (14.65") of precipitation.

Snowfall

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

Daylight

In Kasa, the average length of the day in September is 12h and 59min.
On the first day of the month, sunrise is at 05:30 and sunset at 19:56. On the last day of September, sunrise is at 06:50 and sunset at 18:16 CEST.

Sunshine

The average sunshine in September is 7.6h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

The average high-temperature and low-temperature during September are 13.5°C (56.3°F) and 7.6°C (45.7°F) respectively.

In September, the average relative humidity is 80%.

In Kasa, in September, during 12.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated.

June through September are months without snowfall.

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

In September, the average day length is 12h and 59min.

In September, on the first day of the month, sunrise is at 05:30 and sunset at 19:56. On the last day of the month, sunrise is at 06:50 and sunset at 18:16 CEST.

In September, the average sunshine duration is 7.6h.

In Kasa, the average daily maximum UV index in September is 3. 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
Kasa, Sweden

  • Average high temperature in September: 13.5°C

The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (-3.5°C).

  • Average low temperature in September: 7.6°C

The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-7.5°C).

Average pressure in September
Kasa, Sweden

  • Average pressure in September: 1011.6mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).

Average wind speed in September
Kasa, Sweden

  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

Average humidity in September
Kasa, Sweden

  • Average humidity in September: 80%

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (68%).

Average rainfall in September
Kasa, Sweden

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Kasa, Sweden

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in September
Kasa, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (191mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kasa, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is July (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average sunshine days in September
Kasa, Sweden

  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (9.7 days).

Average UV index in September
Kasa, 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, February, November and December (UV index 1).

Average cloud cover in September
Kasa, Sweden

  • Average cloud cover in September: 47

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in September
Kasa, Sweden

  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).