September weather forecastKilsmo, Sweden

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Kilsmo, Sweden, with an average temperature varying between 16.4°C (61.5°F) and 9.2°C (48.6°F).

Temperature

September brings a minor shift in the average high-temperature, adjusting from an agreeable 21.1°C (70°F) in August to a comfortable 16.4°C (61.5°F). Kilsmo, in the month of September, anticipates a consistent average low-temperature of 9.2°C (48.6°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Kilsmo, in September, it is raining for 13 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 144.9 rainfall days, and 400mm (15.75") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 50min.
On the first day of September, sunrise is at 05:56 and sunset at 19:58. On the last day of the month, sunrise is at 07:01 and sunset at 18:33 CEST.

Sunshine

The average sunshine in September is 7.8h.

UV index

In Kilsmo, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

The high-temperature, in September, in Kilsmo, records 16.4°C (61.5°F), while the low-temperature is 9.2°C (48.6°F).

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

In Kilsmo, in September, during 13 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

June through September are months without snowfall.

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

In Kilsmo, Sweden, the average day length in September is 12h and 50min.

In September, on the first day of the month, sunrise is at 05:56 and sunset at 19:58. On the last day of the month, sunrise is at 07:01 and sunset at 18:33 CEST.

The average sunshine duration in September is 7.8h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Kilsmo, Sweden

  • Average high temperature in September: 16.4°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-4.4°C).

Average pressure in September
Kilsmo, Sweden

  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).

Average wind speed in September
Kilsmo, Sweden

  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Kilsmo, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (69%).

Average rainfall in September
Kilsmo, Sweden

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Kilsmo, Sweden

  • Average rainfall days in September: 13 days

The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in September
Kilsmo, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kilsmo, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Kilsmo, Sweden

  • Average sunshine days in September: 13.9 days

The months with the most sunshine days are March and April (15.6 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in September
Kilsmo, 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
Kilsmo, 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 and August (Cloud cover 42).

Average visibility in September
Kilsmo, Sweden

  • Average visibility in September: 9km

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