September weather forecast and climate
Bernister, Belgium

Weather in September

The first month of the autumn, September, is also an enjoyable month in Bernister, Belgium, with average temperature varying between 17°C (62.6°F) and 8.5°C (47.3°F).

Temperature

In September, the average high-temperature slightly decreases, from a pleasant 20.7°C (69.3°F) in August, to an enjoyable 17°C (62.6°F). In Bernister, the average low-temperature is 8.5°C (47.3°F).

Humidity

The average relative humidity in September is 84%.

Rainfall

In September, the rain falls for 12.3 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Bernister, there are 169.4 rainfall days, and 587mm (23.11") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In Bernister, Belgium, the average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Bernister is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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 Bernister?

In Bernister, Belgium, in September, the average high-temperature is 17°C (62.6°F), and the average low-temperature is 8.5°C (47.3°F).

What is the average humidity in September in Bernister?

In Bernister, the average relative humidity in September is 84%.

How much does it rain in Bernister in September?

In Bernister, during September, the rain falls for 12.3 days and regularly aggregates up to 35mm (1.38") of precipitation.

Does it snow in Bernister in September?

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

When it does not snow in Bernister?

June through September are months without snowfall in Bernister.

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

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

How many hours of sunshine does Bernister have in September?

In September, the average sunshine in Bernister, Belgium, is 7.2h.

What is the UV index intensity in September in Bernister?

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

Average temperature in September
Bernister, Belgium

Average temperature in September - Bernister, Belgium
  • Average high temperature in September: 17°C

The warmest months (with the highest average high temperature) are July and August (20.7°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in September: 8.5°C

Months with the highest average low temperature are July and August (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).

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Average pressure in September
Bernister, Belgium

Average pressure in September - Bernister, 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 (1013.4mbar).

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Average wind speed in September
Bernister, Belgium

Average wind speed in September - Bernister, Belgium
  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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Average humidity in September
Bernister, Belgium

Average humidity in September - Bernister, Belgium
  • Average humidity in September: 84%

Months with the highest relative humidity are January and December (91%).
The month with the lowest relative humidity is April (80%).

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Average rainfall in September
Bernister, Belgium

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

The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is April (29mm).

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Average rainfall days in September
Bernister, Belgium

Average rainfall days in September - Bernister, Belgium
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in September
Bernister, Belgium

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

The month with the highest snowfall is February (137mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Bernister, Belgium

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

The month with the highest number of snowfall days is January (11.9 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
Bernister, Belgium

Average daylight in September / Average sunshine in September - Bernister, 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: 7.2h

Months with the most sunshine are July and August (Average sunshine: 8.5h).
The month with the least sunshine is December (Average sunshine: 3h).

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Average sunshine days in September
Bernister, Belgium

Average sunshine days in September - Bernister, Belgium
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is December (10.1 days).

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Average UV index in September
Bernister, Belgium

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

The month with the highest UV index is 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
Bernister, Belgium

Average cloud cover in September - Bernister, Belgium
  • Average cloud cover in September: 49

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 46).

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Average visibility in September
Bernister, Belgium

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

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

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