September weather forecast
Karmansbo, Sweden

September

Weather in September

The first month of the autumn, September, is also a moderate month in Karmansbo, Sweden, with an average temperature fluctuating between 8°C (46.4°F) and 15.6°C (60.1°F).

Temperature

In the transition to September, Karmansbo observes a minor drop in the average high-temperature, shifting from a pleasant 20.3°C (68.5°F) in August to a refreshing 15.6°C (60.1°F). An average low-temperature of 8°C (46.4°F) is recorded during the nights in September.

Humidity

In Karmansbo, the average relative humidity in September is 79%.

Rainfall

In Karmansbo, during September, the rain falls for 13.4 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 148.5 rainfall days, and 445mm (17.52") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 51min.
On the first day of September in Karmansbo, sunrise is at 05:54 and sunset at 19:59. On the last day of the month, sunrise is at 07:01 and sunset at 18:32 CEST.

Sunshine

In Karmansbo, Sweden, the average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the temperature in September?
During September, Karmansbo experiences an average high-temperature of 15.6°C (60.1°F) and a low-temperature of 8°C (46.4°F).
What is the average humidity in September?
The average relative humidity in September is 79%.
How many days does it rain in September?
In Karmansbo, Sweden, in September, during 13.4 rainfall days, 32mm (1.26") of precipitation is typically accumulated.
When it does not snow?
June through September are months without snowfall.
Does it snow in September?
In Karmansbo, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Karmansbo have in September?
In Karmansbo, the average day length in September is 12h and 51min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:54 and sunset at 19:59. On the last day of the month, sunrise is at 07:01 and sunset at 18:32 CEST.
How long on average sun shines in September?
In Karmansbo, Sweden, the average sunshine duration in September is 7.8h.
What is the UV index intensity in September?
In Karmansbo, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Karmansbo, Sweden
Average temperature in September
Karmansbo, Sweden
  • Average high temperature in September: 15.6°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in September: 8°C

The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).

Average pressure in September - Karmansbo, Sweden
Average pressure in September
Karmansbo, Sweden
  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

Average wind speed in September - Karmansbo, Sweden
Average wind speed in September
Karmansbo, Sweden
  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September - Karmansbo, Sweden
Average humidity in September
Karmansbo, Sweden
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (68%).

Average rainfall in September - Karmansbo, Sweden
Average rainfall in September
Karmansbo, Sweden
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September - Karmansbo, Sweden
Average rainfall days in September
Karmansbo, Sweden
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (5.3 days).

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

The month with the highest snowfall is March (164mm).
The months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Karmansbo, Sweden
Average daylight in September /
Average sunshine in September
Karmansbo, Sweden
  • Average daylight in September: 12h and 5min

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 5min

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 30min).

Average sunshine days in September - Karmansbo, Sweden
Average sunshine days in September
Karmansbo, Sweden
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is April (14.2 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in September - Karmansbo, Sweden
Average UV index in September
Karmansbo, Sweden
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September - Karmansbo, Sweden
Average cloud cover in September
Karmansbo, Sweden
  • Average cloud cover in September: 49

The month with the most cloud cover is February (Cloud cover 69).
The months with the least cloud cover are June and July (Cloud cover 44).

Average visibility in September - Karmansbo, Sweden
Average visibility in September
Karmansbo, Sweden
  • Average visibility in September: 8km

The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is February (6km).

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