The weather in September in Belgium
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.
Looking for great weather? September is a good time to be in Belgium. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Belgium. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2020, Belgium reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 19°C.
Rainfall amount
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.
Daily weather in September for Belgium
Click on any day in September to get detailed info about the usual weather on that day in Belgium. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Belgium | New York | |
|---|---|---|
| Average temperature | 21°C | 27°C |
| Max. temperature | 23°C | 31°C |
| Min. temperature | 10°C | -5°C |
| Total precipitation | 59 mm | 57 mm |
| Rainy days | 9 days | 9 days |
Start of September
The month of September starts in Belgium with warm temps, averaging around 22°C during the day and nights around 14°C.
Mid September
By mid-September, daytime temps stay steady at around 22°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Belgium is around 19°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
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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.
Check out the climate of Belgium for all months and discover the best travel time
The climate in Belgium is based on weather data from Ghent. Other places, like Ardennes, Bruges or Antwerp, might have different weather. You can check out all destinations in Belgium to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in September in Belgium. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Belgium
Temperature in September in Belgium over the years
Precipitation charts
These charts show the average amount of precipitation in September in Belgium. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Belgium
Total precipitation in September in Belgium over the years
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.
Weather experiences in September in Belgium
Have you been to Belgium in September?
Share your weather experience in September in Belgium.
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.