Heerlen Weather in September

Thinking of visiting Heerlen 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 Heerlen in September

The climate data from previous years indicates about 15 days of rain, averaging 69 mm (2.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Heerlen in September

September is one of the better months to visit Heerlen. Expect 20°C (68°F) during the day and 11°C (52°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Heerlen in September

The month brings about 159 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Heerlen 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Heerlen.