Kortessem Weather in September

September in Kortessem brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 68 mm (2.7 in), so pack an umbrella.

Rainfall in Kortessem in September

Expect around 15 days of rain based on historical data, with 68 mm (2.7 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Kortessem in September

September is one of the better months to visit Kortessem. Expect 21°C (70°F) during the day and 11°C (52°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Kortessem in September

The area enjoys a balanced 159 hours of sunlight, ensuring it's neither too overcast nor too sunny.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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

Kortessem Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 49%  

Precipitation 68 mm (2.7 in)  

Rainy days 15 days  

Humidity 80% *  

Sunshine 159 hours *  

Percentage Sunshine 41% *  

* Data from: Maastricht, the Netherlands (28 KM, 17 Miles).

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

More climate data for Kortessem

Temperature Rainfall Sunshine Humidity

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