Koszalin Weather in September
Koszalin in September
The short of it: Koszalin in September averages a high of 18 °C (65 °F) and a low of 10 °C (50 °F), with 72 mm (2.8 in) of rain and about 12 h 36 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 72 mm · daylight 12 h 36 min
✦✦✦ Fair for a visit · best months: May & April
Thirty years of records give Koszalin an average September high of 18°, a low of 10° and some 72 mm of rain. The year turns hard here: highs drop 4° from August to about 18°, with nights near 10°. Wet spells are common — about 72 mm, the 4th wettest month.
The sun is up for about 12 h 36 min in mid-September, 135 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, Koszalin runs cooler than most and wetter than most in September. Sianów, 9 km to the ENE, sees much the same highs.
September in Koszalin, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 9.0 mm less rain
- Versus October
- 5° warmer
- Day–night spread
- 8°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 36 min
- Average wind
- 11 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| SianówWest Pomerania | 9 km ENE | 18° | 10° | 70 mm |
| MielnoWest Pomerania | 10 km NW | 18° | 11° | 69 mm |
| BiałogardWest Pomerania | 24 km SSW | 19° | 10° | 72 mm |
| KarlinoWest Pomerania | 26 km SW | 19° | 10° | 73 mm |
| Ustronie MorskieWest Pomerania | 27 km W | 19° | 11° | 70 mm |
| DarłowoWest Pomerania | 30 km NNE | 18° | 10° | 64 mm |
| DarłówkoWest Pomerania | 30 km NNE | 18° | 10° | 64 mm |
| TychowoWest Pomerania | 30 km S | 18° | 10° | 67 mm |