Herne Weather in September

Thinking of visiting Herne 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 Herne in September

Historically, the month has about 15 days of rain, averaging 61 mm (2.4 in) in total. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Herne in September

September in Herne is generally excellent, with days reaching 20°C (68°F) and nights settling around 11°C (52°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Herne in September

You can expect a moderate amount of sunlight, with approximately 143 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Herne in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Herne.