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 excellent. 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.