Sint-Pieters-Leeuw Weather in September

Sint-Pieters-Leeuw in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 62 mm (2.4 in), so pack a rain jacket to stay dry.

Rainfall in Sint-Pieters-Leeuw in September

Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 62 mm (2.4 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Sint-Pieters-Leeuw in September

The temperature in Sint-Pieters-Leeuw in September is perfect. Daytime highs reach 21°C (70°F), with nights dropping to 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Sint-Pieters-Leeuw in September

The area experiences a moderate amount of sunshine, with approximately 143 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Sint-Pieters-Leeuw in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Sint-Pieters-Leeuw.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Sint-Pieters-Leeuw's climate page.

Sint-Pieters-Leeuw Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 51%  

Precipitation 62 mm (2.4 in)  

Rainy days 15 days  

Humidity 82% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 143 hours *  

Percentage Sunshine *  

* Data from: Ukkel, Belgium (7 KM, 4 Miles).

What to Wear in Sint-Pieters-Leeuw in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sint-Pieters-Leeuw in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Sint-Pieters-Leeuw's climate page.

More climate data for Sint-Pieters-Leeuw

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Sint-Pieters-Leeuw climate overview or explore weather in Belgium.