Sundern Weather in September
Sundern in September
The short of it: Sundern in September averages a high of 18 °C (64 °F) and a low of 8 °C (47 °F), with 88 mm (3.5 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 8° · rain 88 mm · daylight 12 h 33 min
✦✦✦ Fair for a visit · best months: July & August
September in Sundern brings afternoons near 18° and nights around 8°, with about 88 mm of rain over the month. Highs fall 4° against August, to near 18°; nights run about 8°. Wet spells are common — about 88 mm, the 9th wettest month.
The sun is up for about 12 h 33 min in mid-September, 121 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, Sundern runs cooler than most and wetter than most in September. Arnsberg, 8 km to the NE, sees much the same highs.
September in Sundern, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus August
- 4° colder, 2.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 33 min
- Average wind
- 12 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ArnsbergNorth Rhine-Westphalia | 8 km NE | 18° | 9° | 79 mm |
| MendenNorth Rhine-Westphalia | 20 km NW | 19° | 9° | 73 mm |
| IserlohnNorth Rhine-Westphalia | 22 km WNW | 18° | 9° | 80 mm |
| SoestNorth Rhine-Westphalia | 28 km NNE | 19° | 9° | 61 mm |
| LüdenscheidNorth Rhine-Westphalia | 29 km WSW | 17° | 10° | 97 mm |
| UnnaNorth Rhine-Westphalia | 32 km NW | 19° | 9° | 70 mm |
| SchwerteNorth Rhine-Westphalia | 33 km WNW | 19° | 9° | 74 mm |
| HagenNorth Rhine-Westphalia | 37 km W | 19° | 10° | 83 mm |