September weather forecastHekelgem, Belgium

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Hekelgem, Belgium, with an average temperature fluctuating between 19.8°C (67.6°F) and 11.2°C (52.2°F).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a warm 23.2°C (73.8°F) in August to a refreshing 19.8°C (67.6°F). Throughout September, a steady low-temperature average of 11.2°C (52.2°F) is noted.

Humidity

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

Rainfall

In Hekelgem, in September, during 9.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Hekelgem, during the entire year, the rain falls for 169.4 days and collects up to 421mm (16.57") of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:58 and sunset at 20:28. On the last day of September, sunrise is at 07:43 and sunset at 19:23 CEST.

Sunshine

In Hekelgem, the average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

An average high-temperature, in September, in Hekelgem, is 19.8°C (67.6°F) and the average low-temperature is 11.2°C (52.2°F).

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

In Hekelgem, in September, it is raining for 9.8 days, with typically 21mm (0.83") of accumulated precipitation.

April through October are months without snowfall.

In September, the average day length is 12h and 38min.

In September, on the first day of the month, sunrise is at 06:58 and sunset at 20:28. On the last day of the month, sunrise is at 07:43 and sunset at 19:23 CEST.

The average sunshine duration in September is 7.2h.

In Hekelgem, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Hekelgem, Belgium

  • Average high temperature in September: 19.8°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in September
Hekelgem, 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 (1012.2mbar).

Average wind speed in September
Hekelgem, Belgium

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).

Average humidity in September
Hekelgem, Belgium

  • Average humidity in September: 78%

The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).

Average rainfall in September
Hekelgem, Belgium

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Hekelgem, Belgium

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (9.8 days).

Average snowfall in September
Hekelgem, Belgium

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Hekelgem, Belgium

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.4 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
Hekelgem, Belgium

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Hekelgem, Belgium

  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in September
Hekelgem, 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
Hekelgem, Belgium

  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 43).

Average visibility in September
Hekelgem, Belgium

  • Average visibility in September: 9km

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