Herstal Weather in September

Thinking of visiting Herstal in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Herstal in September

Historically, the month has about 14 days of rain, averaging 74 mm (2.9 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Herstal in September

The temperature in Herstal in September is perfect. Daytime highs reach 20°C (68°F), with nights dropping to 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Herstal in September

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

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Herstal.

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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 Herstal's climate page.

Herstal Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 48%  

Precipitation 74 mm (2.9 in)  

Rainy days 14 days  

Humidity 80% *  

Sunshine 159 hours *  

Percentage Sunshine 41% *  

* Data from: Maastricht, the Netherlands (29 KM, 18 Miles).

What to Wear in Herstal 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Herstal in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Herstal's climate page.

More climate data for Herstal

Temperature Rainfall Sunshine Humidity

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