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Antwerp in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Antwerp in September and see if it is worth visiting.
Check flight prices to Antwerp on Avionero:
September

Weather in Antwerp in September 2024

OK Weather
Mild
☁️
Cloudy
September could be a good time to visit Antwerp, as the weather is generally fine. The average high temperature is around +19°C, and there are typically 6 sunny days in September. However, expect about 7 rainy days, and total monthly rainfall of approximately 74 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+19°C
Avg. max. temperature
+1°C
Min.
+34°C
Max.
74 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
6 ☀️
Sunny Days
17 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Antwerp has OK weather in September.

Average temperature in Antwerp in September

Here are the expected maximum, average and minimum temperatures in Antwerp for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +31°C during the day to a minimum of +5°C during the night, the temperature in September averages around +20°C.

The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +26°C to +17°C.

Is Antwerp warm or cold in September?

Antwerp is typically mild in September.

Maximum temperatures go down compared to the previous month from +23°C to +19°C. The minimum temperature also goes down from +14°C to +11°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Antwerp:

Climate in Antwerp in September

Antwerp weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+23°C+19°C+15°C
Min. temperature
+7°C+1°C-5°C
Max. temperature
+36°C+34°C+26°C
Rainfall
75 mm74 mm75 mm
Wind
2 m/s2 m/s2 m/s
Humidity
73%78%81%
Air pressure
1014 HPa1015 HPa1014 HPa
Sunny days
865
Cloudy days
151718
Rainy days
878
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +23°C in the day, the average maximum temperature lowers to +19°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 75 mm to 74 mm. Humidity rises from 73% to 78%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 8 sunny days in August to 6 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Antwerp in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Antwerp is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Antwerp based on historical data.
Last Year
Historical Data
Typically, there is a 80% chance of rain on an average day in September, with total rainfall of approximately 511 mm. The maximum amount of rainfall per day is around 76 mm, which is considered heavy rain. September is a pretty wet month with over 24 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Antwerp wettest month is July, where a typical day has a 26% chance of precipitation and 78 mm of rainfall per day. April, on the other hand, is the driest month with a mere 23% chance of precipitation and 53 mm of rainfall per day.

How was the weather last September in Antwerp?

This is the weather in Antwerp in September 2023:
1 September
☀️
+26°C
2 September
☀️
+28°C
3 September
☀️
+27°C
4 September
☀️
+27°C
5 September
☀️
+31°C
6 September
☀️
+28°C
7 September
☀️
+24°C
8 September
🌧️
+21°C
9 September
🌧️
+20°C
10 September
🌧️
+20°C
11 September
🌫️
+23°C
12 September
☀️
+26°C
13 September
☀️
+25°C
14 September
🌧️
+16°C
15 September
☀️
+19°C
16 September
🌧️
+14°C
17 September
🌧️
+16°C
18 September
🌧️
+16°C
19 September
☁️
+17°C
20 September
☁️
+17°C
21 September
☁️
+18°C
22 September
☁️
+20°C
23 September
☀️
+18°C
24 September
🌧️
+14°C
25 September
☁️
+18°C
26 September
🌧️
+12°C
27 September
🌧️
+12°C
28 September
☁️
+14°C
29 September
☁️
+16°C
30 September
☁️
+17°C
In September 2023 Antwerp had 11 sunny days, 8 cloudy days, and 10 rainy days. The average maximum temperature was +20°C, with an absolute maximum of +31°C and a minimum of +12°C. The average humidity was 78%, with a maximum of 95% and a minimum of 35%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Antwerp climate have been changing during last 43 years period.

The climate in Antwerp in September has not changed much over the last 43 years.

The average temperature was the lowest in 1986 (+16°C) and the highest in 2020 (+24°C). The driest year was 1997 with only 13 mm of rainfall, and the wettest year was 2022 with 543 mm.

FAQ

Frequently asked questions about the weather in Antwerp in September:

Is September a good time to visit Antwerp?

It’s always a good time to visit Antwerp, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Antwerp in September?

September has mild temperatures in Antwerp. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Antwerp rainy in September?

Antwerp is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Antwerp in September?

Usually, it’s not very sunny in Antwerp in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Belgium

Check out the weather for other cities in Belgium.

Monthly weather in Antwerp

Source of the data

For this page, we’ve looked at the typical weather in Antwerp, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.