September weather forecast
Sint-Kruis, Belgium

September

Weather in September

September, the first month of the autumn in Sint-Kruis, is still a refreshing month, with an average temperature varying between 13.3°C (55.9°F) and 18.9°C (66°F).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a comfortable 18.9°C (66°F) from August's 21.4°C (70.5°F). During September, Sint-Kruis's temperature averages to a moderate 13.3°C (55.9°F) at night.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Sint-Kruis, during September, the rain falls for 15.8 days and regularly aggregates up to 38mm (1.5") of precipitation. In Sint-Kruis, during the entire year, the rain falls for 191 days and collects up to 505mm (19.88") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 07:01 and sunset at 20:32. On the last day of September, sunrise is at 07:46 and sunset at 19:26 CEST.

Sunshine

The average sunshine in September in Sint-Kruis is 7.3h.

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 the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the temperature in September?
In Sint-Kruis, in September, the average high-temperature is 18.9°C (66°F), and the average low-temperature is 13.3°C (55.9°F).
What is the average humidity in September?
The average relative humidity in September is 77%.
How many days does it rain in September?
In Sint-Kruis, in September, during 15.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
When it does not snow?
April through October are months without snowfall.
What is the average length of the day in September?
In Sint-Kruis, Belgium, the average day length in September is 12h and 38min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 07:01 and sunset at 20:32. On the last day of the month, sunrise is at 07:46 and sunset at 19:26 CEST.
How many hours of sunshine does Sint-Kruis have in September?
In September, the average sunshine duration is 7.3h.
What is the UV index reading in September?
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Sint-Kruis, Belgium
  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).

Average pressure in September
Sint-Kruis, Belgium
  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).

Average wind speed in September
Sint-Kruis, Belgium
  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).

Average humidity in September
Sint-Kruis, Belgium
  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in September
Sint-Kruis, Belgium
  • Average rainfall in September: 38mm

The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Sint-Kruis, Belgium
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).

Average snowfall in September
Sint-Kruis, Belgium
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Sint-Kruis, Belgium
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 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
Sint-Kruis, Belgium
  • Average daylight in September: 12h and 4min

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 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Sint-Kruis, Belgium
  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).

Average UV index in September
Sint-Kruis, 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
Sint-Kruis, Belgium
  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 38).

Average visibility in September
Sint-Kruis, Belgium
  • Average visibility in September: 10km

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

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