September weather forecast
Antwerp, Belgium

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Weather in September

Antwerp ushers in Autumn with a subtle shift in climate, with September showcasing cooler temperatures than the summer months. The average high decreases to 19.5°C (67.1°F) yet stays comfortable enough for exploring the city without any major discomfort. A decrease in rainfall to 22mm (0.87") ensures more dry and comfortable days. The cityscape transforms from the vivaciousness of summer to the tranquillity of Autumn, making it a visually appealing period to visit. The peaceful, golden-hued landscapes make it an exquisite time for photographers.

Temperature

September's onset in Antwerp introduces a mild reduction in the average high-temperature, from a warm 23.1°C (73.6°F) in August to an enjoyable 19.5°C (67.1°F). An average temperature of 11.5°C (52.7°F) marks the nights in Antwerp in September.

Humidity

In September, the average relative humidity in Antwerp is 78%.

Rainfall

In September, in Antwerp, the rain falls for 11.7 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 179.3 rainfall days, and 449mm (17.68") of precipitation is accumulated.

Snowfall

In Antwerp, snow does not fall in April through October.

Daylight

In September, the average length of the day in Antwerp, Belgium, is 12h and 38min.
On the first day of the month, sunrise is at 06:56 and sunset at 20:28. On the last day of September, in Antwerp, sunrise is at 07:42 and sunset at 19:22 CEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In September, the average daily maximum UV index in Antwerp is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. It's recommended to limit sun exposure when its radiation is at its peak during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are September temperatures in Antwerp?

During September, Antwerp experiences an average high-temperature of 19.5°C (67.1°F) and a low-temperature of 11.5°C (52.7°F).

What is the average humidity in September in Antwerp?

The average relative humidity in September is 78%.

How many days does it rain in September in Antwerp?

In September, in Antwerp, Belgium, the rain falls for 11.7 days. Throughout September, 22mm (0.87") of precipitation is accumulated.

When it does not snow in Antwerp?

April through October are months without snowfall in Antwerp.

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

The average day length in September in Antwerp is 12h and 38min.

What time are sunrise and sunset in September in Antwerp?

In September, on the first day of the month, sunrise is at 06:56 and sunset at 20:28. On the last day of the month, in Antwerp, sunrise is at 07:42 and sunset at 19:22 CEST.

How many hours of sunshine does Antwerp have in September?

The average sunshine duration in September in Antwerp, Belgium, is 7.6h.

How high is the UV index in September in Antwerp?

The average daily maximum UV index in September in Antwerp, Belgium, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Antwerp, Belgium

Average temperature in September - Antwerp, Belgium
  • Average high temperature in September: 19.5°C

The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).

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Average pressure in September
Antwerp, Belgium

Average pressure in September - Antwerp, Belgium
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

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Average wind speed in September
Antwerp, Belgium

Average wind speed in September - Antwerp, Belgium
  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

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Average humidity in September
Antwerp, Belgium

Average humidity in September - Antwerp, Belgium
  • Average humidity in September: 78%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Antwerp, Belgium

Average rainfall in September - Antwerp, Belgium
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is April (18mm).

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Average rainfall days in September
Antwerp, Belgium

Average rainfall days in September - Antwerp, Belgium
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is December (18.7 days).
The month with the least rainy days is September (11.7 days).

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Average snowfall in September
Antwerp, Belgium

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

The months with the highest snowfall are January and February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Antwerp, Belgium

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

The month with the highest number of snowfall days is February (4.3 days).
The 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
Antwerp, Belgium

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

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

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Average sunshine days in September
Antwerp, Belgium

Average sunshine days in September - Antwerp, Belgium
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is December (8.2 days).

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Average UV index in September
Antwerp, Belgium

Average UV index in September - Antwerp, Belgium
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Antwerp, Belgium

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

The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).

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Average visibility in September
Antwerp, Belgium

Average visibility in September - Antwerp, Belgium
  • Average visibility in September: 9km

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

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Antwerp, Belgium

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