September weather forecast
Hasselt, Netherlands

September

Weather in September

September, the first month of the autumn in Hasselt, is still a comfortable month, with an average temperature fluctuating between 18.6°C (65.5°F) and 10.9°C (51.6°F).

Temperature

September brings a slight decrease in the average high-temperature, shifting from an agreeable 22.3°C (72.1°F) in August to an enjoyable 18.6°C (65.5°F). In the month of September, Hasselt records a consistent average low-temperature of 10.9°C (51.6°F).

Humidity

In Hasselt, the average relative humidity in September is 82%.

Rainfall

In September, in Hasselt, the rain falls for 10.1 days. Throughout September, 15mm (0.59") of precipitation is accumulated. Throughout the year, there are 130.3 rainfall days, and 205mm (8.07") of precipitation is accumulated.

Snowfall

In Hasselt, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 40min.
On the first day of September, sunrise is at 06:47 and sunset at 20:23. On the last day of the month, sunrise is at 07:36 and sunset at 19:14 CEST.

Sunshine

In Hasselt, the average sunshine in September is 7.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What is the average September temperature in Hasselt?
During September, Hasselt experiences an average high-temperature of 18.6°C (65.5°F) and a low-temperature of 10.9°C (51.6°F).
What is the average humidity in September in Hasselt?
In September, the average relative humidity is 82%.
How many days does it rain in September in Hasselt?
In Hasselt, Netherlands, in September, during 10.1 rainfall days, 15mm (0.59") of precipitation is typically accumulated.
When it does not snow in Hasselt?
April through November are months without snowfall in Hasselt, Netherlands.
What is the average length of the day in September in Hasselt?
The average day length in September in Hasselt is 12h and 40min.
When is the sunrise / sunset in September in Hasselt?
In September, on the first day of the month, sunrise is at 06:47 and sunset at 20:23. On the last day of the month, in Hasselt, Netherlands, sunrise is at 07:36 and sunset at 19:14 CEST.
How many hours of sunshine does Hasselt have in September?
In Hasselt, Netherlands, the average sunshine duration in September is 7.1h.
What is the UV index intensity in September in Hasselt?
In Hasselt, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Hasselt, Netherlands
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.6°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).

Average pressure in September
Hasselt, Netherlands
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in September
Hasselt, Netherlands
  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).

Average humidity in September
Hasselt, Netherlands
  • Average humidity in September: 82%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Hasselt, Netherlands
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September
Hasselt, Netherlands
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is October (8.9 days).

Average snowfall in September
Hasselt, Netherlands
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Hasselt, Netherlands
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.9 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
Hasselt, Netherlands
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Hasselt, Netherlands
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in September
Hasselt, Netherlands
  • Average UV index in September: 4

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

Average cloud cover in September
Hasselt, Netherlands
  • Average cloud cover in September: 47

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).

Average visibility in September
Hasselt, Netherlands
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).

englishespañol中文
Share