Aalst Weather in September

September in Aalst averages 20°C (68°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 70 mm (2.8 in) on average. An umbrella is a good idea.

Rainfall in Aalst in September

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 70 mm (2.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Aalst in September

Weather in Aalst is at its perfect in September. Highs reach 20°C (68°F), while nights settle around 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Aalst in September

The month experiences a moderate amount of sunlight, with 146 hours of sunshine. This provides a nice balance between sunshine and clouds.

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

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• January
• February
• March
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• May
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• September
• October
• November
• December

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

Aalst Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 50%  

Precipitation 70 mm (2.8 in)  

Rainy days 15 days  

Humidity 81% *  

Sunshine 146 hours *  

Percentage Sunshine 41% *  

* Data from: Gilze-Rijen, the Netherlands (27 KM, 17 Miles).

What to Wear in Aalst 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 Aalst 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 the Netherlands, check out our Aalst's climate page.

More climate data for Aalst

Temperature Rainfall Sunshine Humidity

See the full Aalst climate overview or explore weather in the Netherlands.