September weather forecastLillsjönäs, Sweden

September

Weather in September

September, the first month of the autumn in Lillsjönäs, is still a refreshing month, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 9.7°C (49.5°F).

Temperature

September marks a gentle change in average high-temperature, declining from August's pleasant 20.6°C (69.1°F) to an enjoyable 16°C (60.8°F). An average nighttime temperature of 9.7°C (49.5°F) is noted during the month of September.

Humidity

In September, the average relative humidity in Lillsjönäs is 80%.

Rainfall

In Lillsjönäs, in September, it is raining for 12 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Lillsjönäs, Sweden, there are 133 rainfall days, and 295mm (11.61") of precipitation is accumulated.

Snowfall

In Lillsjönäs, Sweden, snow does not fall in June through September.

Daylight

The average length of the day in September in Lillsjönäs is 12h and 50min.
On the first day of the month, sunrise is at 05:46 and sunset at 19:49. On the last day of September, sunrise is at 06:52 and sunset at 18:23 CEST.

Sunshine

In Lillsjönäs, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature in Lillsjönäs, Sweden, during September is 16°C (60.8°F) and the low-temperature is 9.7°C (49.5°F).

In September, the average relative humidity is 80%.

In September, in Lillsjönäs, Sweden, the rain falls for 12 days. Throughout September, 20mm (0.79") of precipitation is accumulated.

June through September are months without snowfall in Lillsjönäs, Sweden.

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

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

On the first day of September in Lillsjönäs, Sweden, sunrise is at 05:46 and sunset at 19:49. On the last day of the month, sunrise is at 06:52 and sunset at 18:23 CEST.

In September, the average sunshine duration is 8.2h.

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

  • Average high temperature in September: 16°C

The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

Average pressure in September
Lillsjönäs, Sweden

  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed in September
Lillsjönäs, Sweden

  • Average wind speed in September: 14.1km/h

The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).

Average humidity in September
Lillsjönäs, Sweden

  • Average humidity in September: 80%

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

Average rainfall in September
Lillsjönäs, Sweden

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in September
Lillsjönäs, Sweden

  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in September
Lillsjönäs, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Lillsjönäs, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Lillsjönäs, 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: 8h and 12min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in September
Lillsjönäs, Sweden

  • Average sunshine days in September: 15 days

The month with the most sunshine days is May (15.8 days).
The months with the least sunshine days are February and August (12.8 days).

Average UV index in September
Lillsjönäs, 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
Lillsjönäs, Sweden

  • Average cloud cover in September: 42

The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Lillsjönäs, Sweden

  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).