September weather forecast and climate
Régissa, Belgium

Weather in September

The first month of the autumn, September, is still a comfortable month in Régissa, Belgium, with average temperature varying between 9.8°C (49.6°F) and 18.5°C (65.3°F).

Temperature

In Régissa, the average high-temperature marginally drops, from a pleasant 22.6°C (72.7°F) in August, to a comfortable 18.5°C (65.3°F). In September, in Régissa, the average low-temperature is 9.8°C (49.6°F).

Humidity

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

Rainfall

In Régissa, during September, the rain falls for 11.6 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Régissa, there are 176.9 rainfall days, and 484mm (19.06") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine is 8h.

UV index

In Régissa, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Régissa?

In Régissa, in September, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in September in Régissa?

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

How much does it rain in Régissa in September?

In September, the rain falls for 11.6 days. Throughout September, 26mm (1.02") of precipitation is accumulated.

When it does not snow in Régissa?

In Régissa, Belgium, snow does not fall in April through October.

What is the average length of the day in September in Régissa?

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

How many hours of sunshine does Régissa have in September?

The average sunshine in September in Régissa, Belgium, is 8h.

What is the UV index reading in September in Régissa?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Régissa, Belgium

Average temperature in September - Régissa, Belgium
  • Average high temperature in September: 18.5°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (0°C).

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Average pressure in September
Régissa, Belgium

Average pressure in September - Régissa, 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 (1013mbar).

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Average wind speed in September
Régissa, Belgium

Average wind speed in September - Régissa, Belgium
  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

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Average humidity in September
Régissa, Belgium

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

Months with the highest relative humidity are January and December (88%).
Months with the lowest relative humidity are April and August (77%).

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Average rainfall in September
Régissa, Belgium

Average rainfall in September - Régissa, Belgium
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (24mm).

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Average rainfall days in September
Régissa, Belgium

Average rainfall days in September - Régissa, Belgium
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is August (17.8 days).
Months with the least rainy days are February and September (11.6 days).

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Average snowfall in September
Régissa, Belgium

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

The month with the highest snowfall is January (49mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Régissa, Belgium

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

The month with the highest number of snowfall days is January (5.4 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
Régissa, Belgium

Average daylight in September / Average sunshine in September - Régissa, 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: 8h

The month with the most sunshine is August (Average sunshine: 9.3h).
The month with the least sunshine is December (Average sunshine: 3.8h).

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Average sunshine days in September
Régissa, Belgium

Average sunshine days in September - Régissa, Belgium
  • Average sunshine days in September: 16 days

The month with the most sunshine days is September (16 days).
The month with the least sunshine days is December (10.6 days).

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Average UV index in September
Régissa, Belgium

Average UV index in September - Régissa, 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
Régissa, Belgium

Average cloud cover in September - Régissa, Belgium
  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in September
Régissa, Belgium

Average visibility in September - Régissa, Belgium
  • Average visibility in September: 8km

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

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