Braine-lʼAlleud Weather in September
September in Braine-lʼAlleud brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 63 mm (2.5 in), so keep a rain jacket handy.
Rainfall in Braine-lʼAlleud in September
Historically, the month has about 15 days of rain, averaging 63 mm (2.5 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Braine-lʼAlleud in September
The temperature in Braine-lʼAlleud in September is perfect. Daytime highs reach 20°C (68°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 overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Braine-lʼAlleud 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 Braine-lʼAlleud in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Braine-lʼAlleud.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Braine-lʼAlleud's climate page.
Braine-lʼAlleud Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
50%
Precipitation
63 mm (2.5 in)
Rainy days
15 days
Humidity
82% *
Windspeed
3 m/s (6 knots) *
Sunshine
143 hours *
Percentage Sunshine
*
Best Places in Belgium in September
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in September →
perfect weather
pleasant
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unpleasant
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What to Wear in Braine-lʼAlleud 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Braine-lʼAlleud in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our Braine-lʼAlleud's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Braine-lʼAlleud climate overview or explore weather in Belgium.
