Sønderborg Weather in September
Sønderborg in September
The short of it: Sønderborg in September averages a high of 17 °C (63 °F) and a low of 11 °C (52 °F), with 76 mm (3.0 in) of rain and about 12 h 37 min of daylight. Rated 3 of 5 for a visit; the best months are June and April. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 11° · rain 76 mm · daylight 12 h 37 min
✦✦✦ Fair for a visit · best months: June & April
Thirty years of records give Sønderborg an average September high of 17°, a low of 11° and some 76 mm of rain. Much like August: highs about 17°, nights near 11°. A wool coat will serve you well. Wet spells are common — about 76 mm, the 4th wettest month.
The sun is up for about 12 h 37 min in mid-September, 139 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 June and April.
Against its neighbours, Sønderborg runs cooler than most and drier than most in September. Nordborg, 17 km to the N, sees much the same highs.
September in Sønderborg, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 28 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 6°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 37 min
- Average wind
- 19 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| NordborgSouth Denmark | 17 km N | 18° | 11° | 68 mm |
| GlücksburgSchleswig-Holstein | 17 km WSW | 17° | 10° | 83 mm |
| FlensburgSchleswig-Holstein | 26 km WSW | 18° | 10° | 90 mm |
| AabenraaSouth Denmark | 28 km WNW | 18° | 10° | 83 mm |
| HarrisleeSchleswig-Holstein | 29 km WSW | 18° | 10° | 90 mm |
| KappelnSchleswig-Holstein | 29 km SSE | 18° | 11° | 76 mm |
| HandewittSchleswig-Holstein | 33 km WSW | 18° | 10° | 88 mm |
| RødekroSouth Denmark | 34 km WNW | 18° | 9° | 85 mm |