September weather forecast and climate
Attenhoven, Belgium

Weather in September

The first month of the autumn, September, is still a comfortable month in Attenhoven, Belgium, with average temperature varying between 19°C (66.2°F) and 10.5°C (50.9°F).

Temperature

In Attenhoven, the average high-temperature marginally drops, from an agreeable 22.9°C (73.2°F) in August, to an enjoyable 19°C (66.2°F). In Attenhoven, Belgium, the average low-temperature is 10.5°C (50.9°F).

Humidity

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

Rainfall

In Attenhoven, Belgium, during 12.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Attenhoven, during the entire year, the rain falls for 177.5 days and collects up to 464mm (18.27") of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12.6h.

Sunshine

In September, the average sunshine is 7.9h.

UV index

The average daily maximum UV index in Attenhoven, Belgium, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
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 Attenhoven?

In Attenhoven, in September, the average high-temperature is 19°C (66.2°F), and the average low-temperature is 10.5°C (50.9°F).

What is the average humidity in September in Attenhoven?

In September, the average relative humidity is 80%.

How much does it rain in Attenhoven in September?

In Attenhoven, Belgium, during September, the rain falls for 12.5 days and regularly aggregates up to 26mm (1.02") of precipitation.

When it does not snow in Attenhoven?

April through October are months without snowfall in Attenhoven.

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

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

How long on average sun shines in September in Attenhoven?

In Attenhoven, Belgium, the average sunshine in September is 7.9h.

What is the UV index reading in September in Attenhoven?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
Attenhoven, Belgium

Average temperature in September - Attenhoven, Belgium
  • Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

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Average pressure in September
Attenhoven, Belgium

Average pressure in September - Attenhoven, 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 (1012.8mbar).

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Average wind speed in September
Attenhoven, Belgium

Average wind speed in September - Attenhoven, Belgium
  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

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Average humidity in September
Attenhoven, Belgium

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

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

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Average rainfall in September
Attenhoven, Belgium

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

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).

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Average rainfall days in September
Attenhoven, Belgium

Average rainfall days in September - Attenhoven, Belgium
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.8 days).
Months with the least rainy days are February and September (12.5 days).

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Average snowfall in September
Attenhoven, Belgium

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

The month with the highest snowfall is January (31mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Attenhoven, Belgium

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

The month with the highest number of snowfall days is January (4.2 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
Attenhoven, Belgium

Average daylight in September / Average sunshine in September - Attenhoven, 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: 7.9h

Months with the most sunshine are July and August (Average sunshine: 9.3h).
Months with the least sunshine are January and December (Average sunshine: 3.9).

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Average sunshine days in September
Attenhoven, Belgium

Average sunshine days in September - Attenhoven, Belgium
  • Average sunshine days in September: 15.4 days

Months with the most sunshine days are September and October (15.4 days).
The month with the least sunshine days is June (9.7 days).

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Average UV index in September
Attenhoven, Belgium

Average UV index in September - Attenhoven, 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, March, November and December (UV index 2).

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Average cloud cover in September
Attenhoven, Belgium

Average cloud cover in September - Attenhoven, Belgium
  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 61).
Months with the least cloud cover are April and August (Cloud cover 40).

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Average visibility in September
Attenhoven, Belgium

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

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

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