September weather forecast and climate
Cognelée, Belgium

Weather in September

September, the first month of the autumn, in Cognelée, is still a comfortable month, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 18.8°C (65.8°F).

Temperature

In September, the average high-temperature marginally drops, from a pleasant 22.5°C (72.5°F) in August, to an enjoyable 18.8°C (65.8°F). The average low-temperature, in Cognelée, Belgium, is 9.8°C (49.6°F).

Humidity

In Cognelée, the average relative humidity is 80%.

Rainfall

In September, in Cognelée, the rain falls for 12.9 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Cognelée, there are 179.6 rainfall days, and 508mm (20") of precipitation is accumulated.

Snowfall

In Cognelée snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Cognelée?

In September, the average high-temperature is 18.8°C (65.8°F), and the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in September in Cognelée?

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

How many days does it rain in September in Cognelée?

In Cognelée, Belgium, in September, during 12.9 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

When it does not snow in Cognelée?

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

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

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

How many hours of sunshine does Cognelée have in September?

In Cognelée, Belgium, the average sunshine in September is 7.4h.

What is the UV index intensity in September in Cognelée?

In Cognelée, Belgium, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Cognelée, Belgium

Average temperature in September - Cognelée, Belgium
  • Average high temperature in September: 18.8°C

The warmest month (with the highest average high temperature) is August (22.5°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 (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).

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Average pressure in September
Cognelée, Belgium

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

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Average wind speed in September
Cognelée, Belgium

Average wind speed in September - Cognelée, Belgium
  • Average wind speed in September: 11.7km/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 (11.3km/h).

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Average humidity in September
Cognelée, Belgium

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

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

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Average rainfall in September
Cognelée, Belgium

Average rainfall in September - Cognelée, Belgium
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is April (28mm).

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Average rainfall days in September
Cognelée, Belgium

Average rainfall days in September - Cognelée, Belgium
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (12 days).

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Average snowfall in September
Cognelée, Belgium

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

The month with the highest snowfall is January (40mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Cognelée, Belgium

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

The month with the highest number of snowfall days is January (4.5 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
Cognelée, Belgium

Average daylight in September / Average sunshine in September - Cognelée, 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: 7.4h

Months with the most sunshine are July and August (Average sunshine: 8.9h).
The month with the least sunshine is December (Average sunshine: 3.3h).

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Average sunshine days in September
Cognelée, Belgium

Average sunshine days in September - Cognelée, Belgium
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in September
Cognelée, Belgium

Average UV index in September - Cognelée, 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
Cognelée, Belgium

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

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 43).

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Average visibility in September
Cognelée, Belgium

Average visibility in September - Cognelée, 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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