Aarhus weather in September
September in Aarhus: nice, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Aarhus · #237 of 604 destinations to visit in September · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Aarhus climate normals — September
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 12.7 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Aarhus?
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Aarhus in September — FAQ
- Is September a good time to visit Aarhus?
- September in Aarhus: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Aarhus on SeasonMap's comfort score (83/100).
- What is the weather like in Aarhus in September?
- In September, Aarhus averages a daily high of 17.7°C and a low of 12°C, with about 63 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Aarhus in September?
- Aarhus has a mean US Air Quality Index of about 39 in September.