Normal weather for Belgium in September
It's pleasantly warm in September in Belgium with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 10°C and 15°C.
In September, there is an average of 59 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the South.
Belgium in September |
UK | ||
|---|---|---|---|
 Average Temperature |
21°C | 20°C | |
 High Temp |
23°C | 22°C | |
| Low Temp |
18°C | 17°C | |
 Total Precipitation |
59 mm | 44 mm | |
| Rainy Days |
9 days | 8 days | |
Start of September
The month of September starts in Belgium with warm temperatures, averaging around 22°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
Mid-September
By mid-September, the average daytime temperature stays the same at 22°C, with nights close to 13°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
End of September
By the end of September, the average daytime temperature in Belgium will be around 19°C, with nights close to 11°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Belgium?
Want nice weather? Then September is a great time to be in Belgium. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Belgium in September
With 34°C, Belgium hit the highest temperature in the last 10 years in September 2020. The lowest daytime temperature in this month was 12°C in 2020. The extreme night temperatures ranged from a low of 1°C to a high of 19°C.
Check out the climate of Belgium for all months and discover the best travel time
The climate of Belgium is based on weather data from Ghent. Other spots, like BrugesAntwerp, might have different weather. You can check out all destinations in Belgium for a full picture of the climate.
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Daily Temperature in September in Belgium
This chart shows the average daily temperatures, both day and night, for each day in September in Belgium, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Belgium
The chart below shows the average daily precipitation in September for Belgium, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 9 days of rain in Belgium.
Daily UV Index in September in Belgium
This chart shows the average daily UV index in September in Belgium, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Belgium Over the Years
This chart shows the average temperature in September in Belgium, measured in degrees Celsius, over the past years.
Total Precipitation in September in Belgium Over the Years
This chart shows the average precipitation in September in Belgium, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Belgium
Click on a specific day in September for detailed info on the typical weather on that day in Belgium. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Belgium
Have you been to Belgium in September?
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Average Weather in Belgium by Month
Click on a month below to see detailed weather info for Belgium. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
