September weather forecast and climate
Deinze, Belgium

Weather in September

The first month of the autumn, September, is also an enjoyable month in Deinze, Belgium, with average temperature fluctuating between 19.9°C (67.8°F) and 11.5°C (52.7°F).

Temperature

In Deinze, the average high-temperature marginally drops, from a warm 23.2°C (73.8°F) in August, to a comfortable 19.9°C (67.8°F). In Deinze, Belgium, in September, the average low-temperature is 11.5°C (52.7°F).

Humidity

In Deinze, the average relative humidity in September is 77%.

Rainfall

In Deinze, during September, the rain falls for 13.7 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 183.1 rainfall days, and 499mm (19.65") of precipitation is accumulated.

Snowfall

In Deinze snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 7.2h.

UV index

The average daily maximum UV index in Deinze, Belgium, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 Deinze?

In September, in Deinze, the average high-temperature is 19.9°C (67.8°F), and the average low-temperature is 11.5°C (52.7°F).

What is the average humidity in September in Deinze?

In Deinze, Belgium, the average relative humidity in September is 77%.

How much does it rain in Deinze in September?

In Deinze, in September, it is raining for 13.7 days, with typically 34mm (1.34") of accumulated precipitation.

When it does not snow in Deinze?

In Deinze snow does not fall in April through October.

How many hours of daylight does Deinze have in September?

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

How many hours of sunshine does Deinze have in September?

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

How high is the UV index in September in Deinze?

In Deinze, Belgium, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Deinze, Belgium

Average temperature in September - Deinze, Belgium
  • Average high temperature in September: 19.9°C

The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

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Average pressure in September
Deinze, Belgium

Average pressure in September - Deinze, Belgium
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

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Average wind speed in September
Deinze, Belgium

Average wind speed in September - Deinze, Belgium
  • Average wind speed in September: 12km/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 (11.6km/h).

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Average humidity in September
Deinze, Belgium

Average humidity in September - Deinze, Belgium
  • Average humidity in September: 77%

The month with the highest relative humidity is December (88%).
Months with the lowest relative humidity are April, July and August (74%).

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Average rainfall in September
Deinze, Belgium

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

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in September
Deinze, Belgium

Average rainfall days in September - Deinze, Belgium
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (12.6 days).

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Average snowfall in September
Deinze, Belgium

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

The month with the highest snowfall is January (39mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Deinze, Belgium

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

The month with the highest number of snowfall days is February (3.8 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
Deinze, Belgium

Average daylight in September / Average sunshine in September - Deinze, Belgium
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in September: 7.2h

The month with the most sunshine is June (Average sunshine: 9.5h).
The month with the least sunshine is December (Average sunshine: 3.5h).

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Average sunshine days in September
Deinze, Belgium

Average sunshine days in September - Deinze, Belgium
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is April (14 days).
The month with the least sunshine days is November (10.5 days).

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Average UV index in September
Deinze, Belgium

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

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Average cloud cover in September
Deinze, Belgium

Average cloud cover in September - Deinze, Belgium
  • Average cloud cover in September: 45

Months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 42).

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Average visibility in September
Deinze, Belgium

Average visibility in September - Deinze, 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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