September weather forecastÅlem, Sweden

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Ålem, Sweden, with temperature in the range of an average high of 16.5°C (61.7°F) and an average low of 11.1°C (52°F).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a pleasant 20.8°C (69.4°F) to an enjoyable 16.5°C (61.7°F). September sees the temperature falling to a mean low of 11.1°C (52°F).

Humidity

In September, the average relative humidity in Ålem is 78%.

Rainfall

In Ålem, in September, during 9 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, there are 117.5 rainfall days, and 269mm (10.59") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 46min.
On the first day of the month, sunrise is at 05:57 and sunset at 19:50. On the last day of September, sunrise is at 06:57 and sunset at 18:31 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

September temperatures vary between a high-temperature of 16.5°C (61.7°F) and a low-temperature of 11.1°C (52°F).

The average relative humidity in September is 78%.

In September, the rain falls for 9 days. Throughout September, 14mm (0.55") of precipitation is accumulated.

June through September are months without snowfall.

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

In Ålem, the average day length in September is 12h and 46min.

On the first day of September, sunrise is at 05:57 and sunset at 19:50. On the last day of the month, sunrise is at 06:57 and sunset at 18:31 CEST.

The average sunshine duration in September is 8.4h.

In Ålem, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Ålem, Sweden

  • Average high temperature in September: 16.5°C

The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in September: 11.1°C

The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).

Average pressure in September
Ålem, Sweden

  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010mbar).

Average wind speed in September
Ålem, Sweden

  • Average wind speed in September: 15.9km/h

The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest months (with the lowest average wind speed) are May and August (14km/h).

Average humidity in September
Ålem, Sweden

  • Average humidity in September: 78%

The months with the highest relative humidity are February, November and December (86%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Ålem, Sweden

  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September
Ålem, Sweden

  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Ålem, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ålem, 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
Ålem, Sweden

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).

Average sunshine days in September
Ålem, Sweden

  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is April (18.7 days).
The month with the least sunshine days is February (12.9 days).

Average UV index in September
Ålem, Sweden

  • Average UV index in September: 4

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
Ålem, Sweden

  • Average cloud cover in September: 40

The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Ålem, Sweden

  • Average visibility in September: 10km

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