September weather forecastLommel, Belgium

September

Weather in September

September, the first month of the autumn in Lommel, is still a comfortable month, with an average temperature varying between 11.2°C (52.2°F) and 19.3°C (66.7°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 23.3°C (73.9°F) in August to a comfortable 19.3°C (66.7°F). During September, Lommel observes a consistent average nighttime temperature of 11.2°C (52.2°F).

Humidity

The average relative humidity in September in Lommel is 79%.

Rainfall

In September, the rain falls for 12.7 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 177.4 rainfall days, and 465mm (18.31") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Lommel.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 06:52 and sunset at 20:24. On the last day of September, in Lommel, sunrise is at 07:38 and sunset at 19:18 CEST.

Sunshine

The average sunshine in September is 7.7h.

UV index

In Lommel, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Lommel during September are 19.3°C (66.7°F) and 11.2°C (52.2°F) respectively.

The average relative humidity in September in Lommel is 79%.

In Lommel, during September, the rain falls for 12.7 days and regularly aggregates up to 30mm (1.18") of precipitation.

In Lommel, snow does not fall in April through October.

The average day length in September in Lommel, Belgium, is 12h and 38min.

In September, on the first day of the month, sunrise is at 06:52 and sunset at 20:24. On the last day of the month, in Lommel, Belgium, sunrise is at 07:38 and sunset at 19:18 CEST.

The average sunshine duration in September in Lommel, Belgium, is 7.7h.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Lommel, Belgium

  • Average high temperature in September: 19.3°C

The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).

Average pressure in September
Lommel, Belgium

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).

Average wind speed in September
Lommel, Belgium

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Lommel, Belgium

  • Average humidity in September: 79%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Lommel, Belgium

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (50mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Lommel, Belgium

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in September
Lommel, Belgium

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Lommel, Belgium

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Lommel, Belgium

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Lommel, Belgium

  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in September
Lommel, Belgium

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Lommel, Belgium

  • Average cloud cover in September: 43

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Lommel, Belgium

  • Average visibility in September: 9km

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