September weather forecast
Bertrix, Belgium

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Weather in September

September's arrival in Bertrix signals advancing autumn, distinct from the summer warmth of August. A gradual decline in temperatures can be observed, marking the transition into autumn. Lush landscapes transition into hues of orange and golden browns, with leaves starting to fall. While the nights start to draw in, comfortable daytime temperatures retain the essence of summer. The amalgamation of late summer and early autumn makes the September weather a unique blend.

Temperature

The onset of September in Bertrix brings a small shift in high-temperatures, falling from an agreeable 20.6°C (69.1°F) in August to an enjoyable 17°C (62.6°F). Bertrix's temperature tends to fall to an average low of 8.2°C (46.8°F) during the nights of September.

Humidity

In September, the average relative humidity in Bertrix is 85%.

Rainfall

In September, in Bertrix, the rain falls for 13.2 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Bertrix, Belgium, during the entire year, the rain falls for 173 days and collects up to 654mm (25.75") of precipitation.

Snowfall

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

Daylight

In Bertrix, Belgium, the average length of the day in September is 12h and 37min.
On the first day of September, sunrise is at 06:55 and sunset at 20:22. On the last day of the month, sunrise is at 07:38 and sunset at 19:19 CEST.

Sunshine

The average sunshine in September in Bertrix is 7.1h.

UV index

In Bertrix, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 3 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average September temperature in Bertrix?

An average high-temperature, in September, in Bertrix, is 17°C (62.6°F) and the average low-temperature is 8.2°C (46.8°F).

What is the average humidity in September in Bertrix?

In Bertrix, Belgium, the average relative humidity in September is 85%.

How much does it rain in Bertrix in September?

In Bertrix, in September, during 13.2 rainfall days, 40mm (1.57") of precipitation is typically accumulated.

When it does not snow in Bertrix?

In Bertrix, snow does not fall in June through September.

Does it snow in Bertrix in September?

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

How many hours of daylight does Bertrix have in September?

The average day length in September in Bertrix is 12h and 37min.

When is the sunrise / sunset in September in Bertrix?

In September, on the first day of the month, sunrise is at 06:55 and sunset at 20:22. On the last day of the month, sunrise is at 07:38 and sunset at 19:19 CEST.

How long on average sun shines in September in Bertrix?

The average sunshine duration in September in Bertrix is 7.1h.

How high is the UV index in September in Bertrix?

In Bertrix, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bertrix, Belgium

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

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in September: 8.2°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

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Average pressure in September
Bertrix, Belgium

Average pressure in September - Bertrix, 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 (1013.5mbar).

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Average wind speed in September
Bertrix, Belgium

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

The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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Average humidity in September
Bertrix, Belgium

Average humidity in September - Bertrix, Belgium
  • Average humidity in September: 85%

The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (80%).

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Average rainfall in September
Bertrix, Belgium

Average rainfall in September - Bertrix, Belgium
  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is April (35mm).

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Average rainfall days in September
Bertrix, Belgium

Average rainfall days in September - Bertrix, Belgium
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in September
Bertrix, Belgium

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

The month with the highest snowfall is January (146mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Bertrix, Belgium

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

The month with the highest number of snowfall days is January (12.6 days).
The 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
Bertrix, Belgium

Average daylight in September / Average sunshine in September - Bertrix, Belgium
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

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Average sunshine days in September
Bertrix, Belgium

Average sunshine days in September - Bertrix, Belgium
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.3 days).

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Average UV index in September
Bertrix, Belgium

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

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in September
Bertrix, Belgium

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

The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 47).

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Average visibility in September
Bertrix, Belgium

Average visibility in September - Bertrix, Belgium
  • Average visibility in September: 7km

The months with the highest visibility are February, March, April, May, June, July and August (8km).
The months with the lowest visibility are January, September, October, November and December (7km).

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Bertrix, Belgium

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