September weather forecast and climate
Roeulx, Belgium

Weather in September

The first month of the autumn, September, is also an enjoyable month in Roeulx, Belgium, with average temperature varying between 10.3°C (50.5°F) and 19.2°C (66.6°F).

Temperature

In September, the average high-temperature marginally drops, from an agreeable 22.5°C (72.5°F) in August, to a comfortable 19.2°C (66.6°F). In September, the average low-temperature is 10.3°C (50.5°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 22mm (0.87") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day is 12.6h.

Sunshine

In September, the average sunshine in Roeulx is 7.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Roeulx?

In Roeulx, in September, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 10.3°C (50.5°F).

What is the average humidity in September in Roeulx?

In September, the average relative humidity in Roeulx, Belgium, is 80%.

How much does it rain in Roeulx in September?

In Roeulx, during September, the rain falls for 10.5 days and regularly aggregates up to 22mm (0.87") of precipitation.

What is the driest month in Roeulx?

September is the month with the least rainfall in Roeulx, Belgium. Rain falls for 10.5 days and accumulates 22mm (0.87") of precipitation.

Does it snow in Roeulx in September?

In Roeulx, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Roeulx?

In Roeulx, Belgium, snow does not fall in April through September.

How many hours of daylight does Roeulx have in September?

In September, the average length of the day in Roeulx, Belgium, is 12.6h.

How many hours of sunshine does Roeulx have in September?

The average sunshine in September is 7.5h.

What is the UV index intensity in September in Roeulx?

In September, the average daily maximum UV index in Roeulx is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Roeulx, Belgium

Average temperature in September - Roeulx, Belgium
  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).

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Average pressure in September
Roeulx, Belgium

Average pressure in September - Roeulx, Belgium
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).

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Average wind speed in September
Roeulx, Belgium

Average wind speed in September - Roeulx, Belgium
  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

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Average humidity in September
Roeulx, Belgium

Average humidity in September - Roeulx, Belgium
  • Average humidity in September: 80%

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

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Average rainfall in September
Roeulx, Belgium

Average rainfall in September - Roeulx, Belgium
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is September (22mm).

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Average rainfall days in September
Roeulx, Belgium

Average rainfall days in September - Roeulx, Belgium
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (10.5 days).

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Average snowfall in September
Roeulx, Belgium

Average snowfall in September - Roeulx, Belgium
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (41mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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Average snowfall days in September
Roeulx, Belgium

Average snowfall days in September - Roeulx, Belgium
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Roeulx, Belgium
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in September: 7.5h

Months with the most sunshine are July and August (Average sunshine: 8.8h).
Months with the least sunshine are January and December (Average sunshine: 3.6).

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Average sunshine days in September
Roeulx, Belgium

Average sunshine days in September - Roeulx, Belgium
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (10.8 days).

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Average UV index in September
Roeulx, Belgium

Average UV index in September - Roeulx, Belgium
  • Average UV index in September: 4

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

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Average cloud cover in September
Roeulx, Belgium

Average cloud cover in September - Roeulx, Belgium
  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 42).

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Average visibility in September
Roeulx, Belgium

Average visibility in September - Roeulx, Belgium
  • Average visibility in September: 9km

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

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