Zaventem Weather in September

Zaventem in September averages 21°C (70°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Zaventem in September

Climate statistics over the past 30 years suggest around 16 days of rain, with 61 mm (2.4 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Zaventem in September

Zaventem in September is worth a visit. The temperature is perfect, with 21°C (70°F) during the day and 11°C (52°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Zaventem in September

The month brings about 142 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Zaventem 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Zaventem.

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

Zaventem Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 52%  

Precipitation 61 mm (2.4 in)  

Rainy days 16 days  

Humidity 77% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 142 hours *  

Percentage Sunshine *  

* Data from: Brussels, Belgium (2 KM, 1 Miles).

What to Wear in Zaventem 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 Zaventem 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 Zaventem's climate page.

More climate data for Zaventem

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Zaventem climate overview or explore weather in Belgium.