Rum Weather in September
Rum in September
The short of it: Rum in September averages a high of 20 °C (68 °F) and a low of 10 °C (50 °F), with 85 mm (3.3 in) of rain and about 12 h 29 min of daylight. Rated 3 of 5 for a visit; the best months are April and May. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 10° · rain 85 mm · daylight 12 h 29 min
✦✦✦ Fair for a visit · best months: April & May
September in Rum brings afternoons near 20° and nights around 10°, with about 85 mm of rain over the month. The year turns hard here: highs drop 5° from August to about 20°, with nights near 10°. Wet spells are common — about 85 mm, the 5th wettest month.
The sun is up for about 12 h 29 min in mid-September, 105 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are April and May.
Against its neighbours, Rum runs warmer than most and drier than most in September. Arzl, 1 km to the W, sees much the same highs.
September in Rum, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 5° colder, 46 mm less rain
- Versus October
- 4° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 12 h 29 min
- Average wind
- 5 km/h