Flensburg Weather in September
Flensburg in September
The short of it: Flensburg in September averages a high of 18 °C (64 °F) and a low of 10 °C (50 °F), with 90 mm (3.5 in) of rain and about 12 h 37 min of daylight. Rated 3 of 5 for a visit; the best months are May and April. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 10° · rain 90 mm · daylight 12 h 37 min
✦✦✦ Fair for a visit · best months: May & April
September in Flensburg brings afternoons near 18° and nights around 10°, with about 90 mm of rain over the month. Much like August: highs about 18°, nights near 10°. A wool coat will serve you well. Wet spells are common — about 90 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 May and April.
Against its neighbours, Flensburg runs warmer than most and wetter than most in September. Harrislee, 4 km to the WNW, sees much the same highs.
September in Flensburg, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 7.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 8°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 37 min
- Average wind
- 18 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| HarrisleeSchleswig-Holstein | 4 km WNW | 18° | 10° | 90 mm |
| HandewittSchleswig-Holstein | 7 km WSW | 18° | 10° | 88 mm |
| GlücksburgSchleswig-Holstein | 9 km NE | 17° | 10° | 83 mm |
| TarpSchleswig-Holstein | 14 km S | 18° | 10° | 88 mm |
| SønderborgSouth Denmark | 26 km ENE | 17° | 11° | 76 mm |
| AabenraaSouth Denmark | 29 km N | 18° | 10° | 83 mm |
| LeckSchleswig-Holstein | 29 km W | 18° | 10° | 84 mm |
| SchleswigSchleswig-Holstein | 31 km SSE | 18° | 10° | 83 mm |