Ukkel Weather in September

September in Ukkel averages 21°C (70°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in Ukkel in September

You can expect rain on around 15 days based on historical patterns, with 62 mm (2.4 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Ukkel in September

September is a good time to be in Ukkel. Days are perfect, reaching 21°C (70°F), with nights around 11°C (52°F). Conditions are often most pleasant around the middle 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 Ukkel in September

With about 143 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Ukkel 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 Ukkel.

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

Ukkel 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  

What to Wear in Ukkel in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Ukkel 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 Ukkel's climate page.

More climate data for Ukkel

Temperature Rainfall Sunshine Humidity Wind Speed

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