September weather forecast and climate
Bienne-lez-Happart, Belgium

Weather in September

September, the first month of the autumn, in Bienne-lez-Happart, is still a comfortable month, with average temperature varying between 10.4°C (50.7°F) and 19.3°C (66.7°F).

Temperature

In September, the average high-temperature marginally drops, from an agreeable 22.5°C (72.5°F) in August, to an enjoyable 19.3°C (66.7°F). In September, the average low-temperature is 10.4°C (50.7°F).

Humidity

The average relative humidity in Bienne-lez-Happart is 80%.

Rainfall

In Bienne-lez-Happart, in September, it is raining for 11.1 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Bienne-lez-Happart, there are 172.2 rainfall days, and 475mm (18.7") of precipitation is accumulated.

Snowfall

April through September are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 7.4h.

UV index

In Bienne-lez-Happart, Belgium, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Bienne-lez-Happart?

In September, in Bienne-lez-Happart, Belgium, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 10.4°C (50.7°F).

What is the average humidity in September in Bienne-lez-Happart?

The average relative humidity in September is 80%.

How many days does it rain in September in Bienne-lez-Happart?

In September, in Bienne-lez-Happart, the rain falls for 11.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

Does it snow in Bienne-lez-Happart in September?

In Bienne-lez-Happart, Belgium, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Bienne-lez-Happart?

In Bienne-lez-Happart, Belgium, snow does not fall in April through September.

How many hours of daylight does Bienne-lez-Happart have in September?

The average length of the day in September in Bienne-lez-Happart, Belgium, is 12.6h.

How long on average sun shines in September in Bienne-lez-Happart?

In Bienne-lez-Happart, the average sunshine in September is 7.4h.

What is the UV index intensity in September in Bienne-lez-Happart?

In Bienne-lez-Happart, Belgium, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Bienne-lez-Happart, Belgium

Average temperature in September - Bienne-lez-Happart, Belgium
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).

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Average pressure in September
Bienne-lez-Happart, Belgium

Average pressure in September - Bienne-lez-Happart, 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 (1012.7mbar).

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Average wind speed in September
Bienne-lez-Happart, Belgium

Average wind speed in September - Bienne-lez-Happart, Belgium
  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

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Average humidity in September
Bienne-lez-Happart, Belgium

Average humidity in September - Bienne-lez-Happart, Belgium
  • Average humidity in September: 80%

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

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Average rainfall in September
Bienne-lez-Happart, Belgium

Average rainfall in September - Bienne-lez-Happart, Belgium
  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is July (27mm).

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Average rainfall days in September
Bienne-lez-Happart, Belgium

Average rainfall days in September - Bienne-lez-Happart, Belgium
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (11.1 days).

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Average snowfall in September
Bienne-lez-Happart, Belgium

Average snowfall in September - Bienne-lez-Happart, Belgium
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (41mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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Average snowfall days in September
Bienne-lez-Happart, Belgium

Average snowfall days in September - Bienne-lez-Happart, Belgium
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.3 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
Bienne-lez-Happart, Belgium

Average daylight in September / Average sunshine in September - Bienne-lez-Happart, 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

Months with the most sunshine are July and August (Average sunshine: 8.8h).
Months with the least sunshine are January and December (Average sunshine: 3.6).

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Average sunshine days in September
Bienne-lez-Happart, Belgium

Average sunshine days in September - Bienne-lez-Happart, Belgium
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is December (10.8 days).

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Average UV index in September
Bienne-lez-Happart, Belgium

Average UV index in September - Bienne-lez-Happart, 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
Bienne-lez-Happart, Belgium

Average cloud cover in September - Bienne-lez-Happart, Belgium
  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 42).

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Average visibility in September
Bienne-lez-Happart, Belgium

Average visibility in September - Bienne-lez-Happart, Belgium
  • Average visibility in September: 9km

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

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