September weather forecastRouvreux, Belgium

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Rouvreux, Belgium, with an average temperature varying between 9.8°C (49.6°F) and 18.8°C (65.8°F).

Temperature

September brings a slight decrease in the average high-temperature, shifting from a pleasant 22.3°C (72.1°F) in August to an enjoyable 18.8°C (65.8°F). In Rouvreux, the average temperature during the nights of September drops to a frosty 9.8°C (49.6°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Rouvreux, in September, during 13.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 193.2 rainfall days, and 544mm (21.42") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Rouvreux, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:52 and sunset at 20:21. On the last day of September, sunrise is at 07:36 and sunset at 19:17 CEST.

Sunshine

The average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Act with care - The need to guard against sun damage is communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

The high-temperature, in September, in Rouvreux, is 18.8°C (65.8°F), while the low-temperature averages to 9.8°C (49.6°F).

The average relative humidity in September is 80%.

In Rouvreux, in September, during 13.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

May through October are months without snowfall.

The average day length in September is 12h and 37min.

On the first day of September, sunrise is at 06:52 and sunset at 20:21. On the last day of the month, sunrise is at 07:36 and sunset at 19:17 CEST.

The average sunshine duration in September is 7.8h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rouvreux, Belgium

  • Average high temperature in September: 18.8°C

The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in September
Rouvreux, Belgium

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

Average wind speed in September
Rouvreux, Belgium

  • Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in September
Rouvreux, Belgium

  • Average humidity in September: 80%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (77%).

Average rainfall in September
Rouvreux, Belgium

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in September
Rouvreux, Belgium

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (12.7 days).

Average snowfall in September
Rouvreux, Belgium

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Rouvreux, Belgium

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.8 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
Rouvreux, 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 6min).

  • Average sunshine in September: 7h and 48min

The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Rouvreux, Belgium

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in September
Rouvreux, Belgium

  • 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
Rouvreux, Belgium

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Rouvreux, Belgium

  • Average visibility in September: 8km

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