As Weather in September

Thinking of visiting As in September? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in As in September

Historically, the month has about 15 days of rain, averaging 67 mm (2.6 in) in total. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in As in September

As in September has perfect weather. Days reach 21°C (70°F) and nights cool to 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 As in September

You can expect a moderate amount of sunlight, with approximately 159 hours. This means a pleasant mix of sun and overcast.

Wind Speed in As in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit As.

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

As Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 51%  

Precipitation 67 mm (2.6 in)  

Rainy days 15 days  

Humidity 80% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 159 hours *  

Percentage Sunshine 41% *  

* Data from: Maastricht, the Netherlands (17 KM, 10 Miles).

What to Wear in As 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in As 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 As's climate page.

More climate data for As

Temperature Rainfall Sunshine Humidity Wind Speed

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