September weather forecastLahäll, Sweden

September

Weather in September

September, the first month of the autumn in Lahäll, is also an enjoyable month, with an average temperature fluctuating between 9.6°C (49.3°F) and 16.1°C (61°F).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from an agreeable 20.6°C (69.1°F) in August to an enjoyable 16.1°C (61°F). Lahäll witnesses a consistent average low-temperature of 9.6°C (49.3°F) throughout September.

Humidity

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

Rainfall

In Lahäll, during September, the rain falls for 5.2 days and regularly aggregates up to 4mm (0.16") of precipitation. In Lahäll, during the entire year, the rain falls for 59.2 days and collects up to 72mm (2.83") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Lahäll is 12h and 50min.
On the first day of September in Lahäll, sunrise is at 05:45 and sunset at 19:49. On the last day of the month, sunrise is at 06:51 and sunset at 18:23 CEST.

Sunshine

In September, the average sunshine in Lahäll, Sweden, is 8.1h.

UV index

In September, the average daily maximum UV index in Lahäll is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 3 in September transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

During September, Lahäll experiences an average high-temperature of 16.1°C (61°F) and a low-temperature of 9.6°C (49.3°F).

The average relative humidity in September in Lahäll, Sweden, is 80%.

In Lahäll, in September, it is raining for 5.2 days, with typically 4mm (0.16") of accumulated precipitation.

June through September are months without snowfall in Lahäll.

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

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

In September, on the first day of the month, sunrise is at 05:45 and sunset at 19:49. On the last day of the month, sunrise is at 06:51 and sunset at 18:23 CEST.

In September, the average sunshine duration in Lahäll, Sweden, is 8.1h.

In September, the average daily maximum UV index in Lahäll, Sweden, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Lahäll, Sweden

  • Average high temperature in September: 16.1°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.5°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in September
Lahäll, 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
Lahäll, Sweden

  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).

Average humidity in September
Lahäll, Sweden

  • Average humidity in September: 80%

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

Average rainfall in September
Lahäll, Sweden

  • Average rainfall in September: 4mm

The wettest month (with the highest rainfall) is July (9mm).
The driest month (with the least rainfall) is April (2mm).

Average rainfall days in September
Lahäll, Sweden

  • Average rainfall days in September: 5.2 days

The month with the highest number of rainy days is July (6.8 days).
The month with the least rainy days is February (3 days).

Average snowfall in September
Lahäll, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (14mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Lahäll, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Lahäll, 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 6min

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
Lahäll, Sweden

  • Average sunshine days in September: 23.7 days

The month with the most sunshine days is March (24.4 days).
The month with the least sunshine days is December (21.4 days).

Average UV index in September
Lahäll, 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
Lahäll, Sweden

  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Lahäll, Sweden

  • Average visibility in September: 9km

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