Waterloo weather in September (Wallonian Brabantine Province, Belgium)

Will it be rainy or sunny in Waterloo this September? Our guide gives you the essential weather details for this month.

Temperatures

During September, Waterloo experiences perfect weather, with pleasant temperatures and moderate rainfall. Throughout the day, temperatures can rise to about 20°C. At night, they generally drop to 11°C.

Precipitation

Waterloo in September usually receives moderate rainfall, averaging around 63 mm for the month. Typically, you can expect about 15 days of rain this month.

Average sunshine

The area enjoys a balanced 143 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Waterloo climate page with graphs.

 

Waterloo, monthly averages in September

Min Temperature 11°C  

Max Temperature 20°C  

Chance of Rain 51%  

Precipitation 63 mm  

Rainy days 15 days  

Humidity 82% *  

Windspeed 11 km/h *  

Sunshine 143 hours *  

Percentage Sunshine *  

Data from: Ukkel, Belgium (9 KM, 6 Miles).

Where to go in Belgium in September

Find out more about the weather in Belgium and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Waterloo, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Waterloo.

Our site offers climate and forecast data for every country in the world. Are you going to Belgium? On this website you can find historical weather averages for many cities in Belgium. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.