Arnsberg Weather in September
Arnsberg in September
The short of it: Arnsberg in September averages a high of 18 °C (65 °F) and a low of 9 °C (47 °F), with 79 mm (3.1 in) of rain and about 12 h 33 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 9° · rain 79 mm · daylight 12 h 33 min
✦✦✦ Fair for a visit · best months: July & August
Thirty years of records give Arnsberg an average September high of 18°, a low of 9° and some 79 mm of rain. The year turns hard here: highs drop 4° from August to about 18°, with nights near 9°. Wet spells are common — about 79 mm, the 9th wettest month.
The sun is up for about 12 h 33 min in mid-September, 122 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Arnsberg runs cooler than most and wetter than most in September. Soest, 21 km to the N, is 1° warmer by day.
September in Arnsberg, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 4° colder, 8.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 33 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| SoestNorth Rhine-Westphalia | 21 km N | 19° | 9° | 61 mm |
| HemerNorth Rhine-Westphalia | 22 km W | 18° | 9° | 79 mm |
| MendenNorth Rhine-Westphalia | 22 km WNW | 19° | 9° | 73 mm |
| IserlohnNorth Rhine-Westphalia | 26 km W | 18° | 9° | 80 mm |
| UnnaNorth Rhine-Westphalia | 32 km WNW | 19° | 9° | 70 mm |
| SchwerteNorth Rhine-Westphalia | 36 km W | 19° | 9° | 74 mm |
| LüdenscheidNorth Rhine-Westphalia | 37 km WSW | 17° | 10° | 97 mm |
| LippstadtNorth Rhine-Westphalia | 37 km NNE | 20° | 9° | 68 mm |