Unna Weather in September
Unna in September
The short of it: Unna in September averages a high of 19 °C (67 °F) and a low of 9 °C (49 °F), with 70 mm (2.8 in) of rain and about 12 h 33 min of daylight. Rated 4 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 19° · low 9° · rain 70 mm · daylight 12 h 33 min
✦✦✦✦ Recommended for a visit · best months: June & September
September in Unna brings afternoons near 19° and nights around 9°, with about 70 mm of rain over the month. The year turns hard here: highs drop 4° from August to about 19°, with nights near 9°. Wet spells are common — about 70 mm, the 6th 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 4 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Unna runs cooler than most and drier than most in September. Lünen, 14 km to the NW, is 1° warmer by day.
September in Unna, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus August
- 4° colder, 32 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Feb
- 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 |
|---|---|---|---|---|
| LünenNorth Rhine-Westphalia | 14 km NW | 20° | 10° | 68 mm |
| DortmundNorth Rhine-Westphalia | 16 km W | 20° | 10° | 72 mm |
| IserlohnNorth Rhine-Westphalia | 18 km S | 18° | 9° | 80 mm |
| HammNorth Rhine-Westphalia | 18 km NNE | 20° | 10° | 59 mm |
| HagenNorth Rhine-Westphalia | 25 km SW | 19° | 10° | 83 mm |
| WittenNorth Rhine-Westphalia | 26 km WSW | 19° | 10° | 80 mm |
| Castrop-RauxelNorth Rhine-Westphalia | 26 km W | 20° | 10° | 74 mm |
| AhlenNorth Rhine-Westphalia | 29 km NNE | 20° | 10° | 56 mm |