September weather forecastKöping, Sweden

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Köping, Sweden, with an average temperature varying between 8.9°C (48°F) and 16.5°C (61.7°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's pleasant 21.2°C (70.2°F) to an enjoyable 16.5°C (61.7°F). The average temperature during September nights is registered at a frosty 8.9°C (48°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Köping, in September, during 8.4 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, there are 107.1 rainfall days, and 273mm (10.75") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 51min.
On the first day of the month, sunrise is at 05:53 and sunset at 19:58. On the last day of September, sunrise is at 07:00 and sunset at 18:31 CEST.

Sunshine

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

UV index

In Köping, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The average high-temperature, in September, in Köping, is 16.5°C (61.7°F), while the average low-temperature is 8.9°C (48°F).

In September, the average relative humidity is 78%.

In Köping, in September, it is raining for 8.4 days, with typically 19mm (0.75") of accumulated precipitation.

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

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

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

On the first day of September, sunrise is at 05:53 and sunset at 19:58. On the last day of the month, sunrise is at 07:00 and sunset at 18:31 CEST.

The average sunshine duration in September in Köping is 7.9h.

In Köping, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Köping, Sweden

  • Average high temperature in September: 16.5°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5°C).

Average pressure in September
Köping, Sweden

  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed in September
Köping, Sweden

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September
Köping, Sweden

  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (68%).

Average rainfall in September
Köping, Sweden

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Köping, Sweden

  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and February (5.8 days).

Average snowfall in September
Köping, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (125mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Köping, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in September
Köping, Sweden

  • Average sunshine days in September: 20.2 days

The months with the most sunshine days are June and September (20.2 days).
The month with the least sunshine days is February (12.1 days).

Average UV index in September
Köping, Sweden

  • Average UV index in September: 3

The 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
Köping, Sweden

  • Average cloud cover in September: 48

The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 43).

Average visibility in September
Köping, Sweden

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is February (7km).