September weather forecast and climate
Autreppe, Belgium

Weather in September

September, the first month of the autumn, in Autreppe, is also an enjoyable month, with average temperature fluctuating between 10.8°C (51.4°F) and 19.5°C (67.1°F).

Temperature

In September, the average high-temperature slightly decreases, from a warm 23.2°C (73.8°F) in August, to a comfortable 19.5°C (67.1°F). In Autreppe, the average low-temperature is 10.8°C (51.4°F).

Humidity

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

Rainfall

The month with the least rainfall is September when the rain falls for 13.5 days and typically collects 29mm (1.14") of precipitation.

Snowfall

In Autreppe snow does not fall in April through October.

Daylight

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

Sunshine

In Autreppe, the average sunshine is 7.4h.

UV index

In Autreppe, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
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. 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 Autreppe?

In Autreppe, in September, the average high-temperature is 19.5°C (67.1°F), and the average low-temperature is 10.8°C (51.4°F).

What is the average humidity in September in Autreppe?

The average relative humidity in September is 78%.

How many days does it rain in September in Autreppe?

In September, in Autreppe, Belgium, the rain falls for 13.5 days. Throughout September, 29mm (1.14") of precipitation is accumulated.

What is the driest month in Autreppe?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 29mm (1.14") of precipitation.

When it does not snow in Autreppe?

April through October are months without snowfall.

How many hours of daylight does Autreppe have in September?

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

How many hours of sunshine does Autreppe have in September?

The average sunshine in September in Autreppe is 7.4h.

What is the UV index reading in September in Autreppe?

In September, the average daily maximum UV index in Autreppe, Belgium, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Autreppe, Belgium

Average temperature in September - Autreppe, Belgium
  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

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Average pressure in September
Autreppe, Belgium

Average pressure in September - Autreppe, 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 (1012.5mbar).

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Average wind speed in September
Autreppe, Belgium

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

The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

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Average humidity in September
Autreppe, Belgium

Average humidity in September - Autreppe, Belgium
  • Average humidity in September: 78%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).

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Average rainfall in September
Autreppe, Belgium

Average rainfall in September - Autreppe, Belgium
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is September (29mm).

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Average rainfall days in September
Autreppe, Belgium

Average rainfall days in September - Autreppe, Belgium
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (13.5 days).

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Average snowfall in September
Autreppe, Belgium

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

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

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Average snowfall days in September
Autreppe, Belgium

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

The month with the highest number of snowfall days is February (4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 16.3h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in September: 7.4h

The month with the most sunshine is June (Average sunshine: 9.2h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in September
Autreppe, Belgium

Average sunshine days in September - Autreppe, Belgium
  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in September
Autreppe, Belgium

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

Months with the highest UV index are June, July and August (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
Autreppe, Belgium

Average cloud cover in September - Autreppe, Belgium
  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 62).
Months with the least cloud cover are April and August (Cloud cover 42).

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Average visibility in September
Autreppe, Belgium

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

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

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