September weather forecast and climate
Houlteau, Belgium

Weather in September

September, the first month of the autumn, in Houlteau, is still a comfortable month, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 9.1°C (48.4°F).

Temperature

In September, the average high-temperature slightly decreases, from a pleasant 21.6°C (70.9°F) in August, to a comfortable 17.6°C (63.7°F). In September, in Houlteau, the average low-temperature is 9.1°C (48.4°F).

Humidity

In Houlteau, Belgium, the average relative humidity in September is 83%.

Rainfall

In Houlteau, in September, it is raining for 13.5 days, with typically 34mm (1.34") of accumulated precipitation. In Houlteau, during the entire year, the rain falls for 188.4 days and collects up to 587mm (23.11") of precipitation.

Snowfall

In Houlteau, Belgium, snow does not fall in June through September.

Daylight

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

Sunshine

In September, the average sunshine in Houlteau is 7.7h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Houlteau?

The average high-temperature, in September, is 17.6°C (63.7°F), while the average low-temperature is 9.1°C (48.4°F).

What is the average humidity in September in Houlteau?

In September, the average relative humidity in Houlteau, Belgium, is 83%.

How many days does it rain in September in Houlteau?

In Houlteau, in September, it is raining for 13.5 days, with typically 34mm (1.34") of accumulated precipitation.

Does it snow in Houlteau in September?

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

When it does not snow in Houlteau?

June through September are months without snowfall in Houlteau, Belgium.

How many hours of daylight does Houlteau have in September?

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

How long on average sun shines in September in Houlteau?

In Houlteau, the average sunshine in September is 7.7h.

What is the UV index intensity in September in Houlteau?

The average daily maximum UV index in September in Houlteau, Belgium, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Houlteau, Belgium

Average temperature in September - Houlteau, Belgium
  • Average high temperature in September: 17.6°C

The warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is August (12.1°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
Houlteau, Belgium

Average pressure in September - Houlteau, Belgium
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).

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Average wind speed in September
Houlteau, Belgium

Average wind speed in September - Houlteau, Belgium
  • Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

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Average humidity in September
Houlteau, Belgium

Average humidity in September - Houlteau, Belgium
  • Average humidity in September: 83%

Months with the highest relative humidity are January and December (90%).
Months with the lowest relative humidity are April and August (79%).

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Average rainfall in September
Houlteau, Belgium

Average rainfall in September - Houlteau, Belgium
  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).

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Average rainfall days in September
Houlteau, Belgium

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

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12.3 days).

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Average snowfall in September
Houlteau, Belgium

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

The month with the highest snowfall is February (76mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Houlteau, Belgium

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

The month with the highest number of snowfall days is January (8.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Houlteau, 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: 7.7h

The month with the most sunshine is August (Average sunshine: 8.9h).
The month with the least sunshine is December (Average sunshine: 3.4h).

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Average sunshine days in September
Houlteau, Belgium

Average sunshine days in September - Houlteau, Belgium
  • Average sunshine days in September: 14 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is July (8.6 days).

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Average UV index in September
Houlteau, Belgium

Average UV index in September - Houlteau, Belgium
  • Average UV index in September: 3

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

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

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 43).

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Average visibility in September
Houlteau, Belgium

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

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

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