What September feels like in Aarhus
September is early autumn in Aarhus. Daytime feels cool and fresh rather than cold. Little changes after sunset — nights are cool, only slightly below the daytime level. The air is damp, which makes cool temperatures feel colder, particularly in wind.
Rain in Aarhus in September
Expect a mix of dry and wet days, with rain about one day in 3. A rainy day brings about 5.7 mm (0.2 in) on average — steady rain rather than a passing shower. The yearly figure is similar, around 5.2 mm per wet day.
Daylight and sunshine in September
On 15 September the sun rises at about 6:49 am and sets around 7:41 pm local time, giving 12 h 52 min of daylight. Days are getting shorter: 2 h 20 min less daylight than in mid-August. The sun is out for roughly 69% of those daylight hours, so there are plenty of bright spells.
How September compares to the rest of the year
In Aarhus's temperature order, September sits as the 4th warmest month. Compared with August, afternoons are 3°C (5.4°F) cooler, with 25 mm less rain. The cooling trend carries on into October. By October, typical highs are 12.4°C (54.3°F).
Who September suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
- Beach: less ideal — the sea air is too cool.
Tips for visiting Aarhus in September
Rain Protection
A compact umbrella and a light waterproof jacket.
Light Jacket
A light jacket or knit layer is enough for most of the day.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Aarhus in September?
It feels cool: typical highs are 17.1°C (62.8°F), with lows near 11.4°C (52.5°F).
Does it rain a lot in Aarhus in September?
It does: about 10 rainy days bring roughly 57 mm, so plan some indoor options.
What should I wear in Aarhus in September?
Based on the averages: rain protection, a light jacket and sunglasses. There is little need to change for the evening.
Is September or October better for visiting Aarhus?
September, clearly: it ranks #1 of 12 among Aarhus's months, against #6 for the other. October is cooler and has more rainy days.