Si’umu Weather in September
Si’umu in September
The short of it: Si’umu in September averages a high of 29 °C (84 °F) and a low of 23 °C (73 °F), with 227 mm (8.9 in) of rain and about 12 h 2 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 29° · low 23° · rain 227 mm · daylight 12 h 2 min
✦✦✦ Fair for a visit · best months: July & August
Thirty years of records give Si’umu an average September high of 29°, a low of 23° and some 227 mm of rain. Much like August: highs about 29°, nights near 23°. Easy travelling weather. Wet spells are common — about 227 mm, the 10th wettest month.
The sun is up for about 12 h 2 min in mid-September, 23 minutes more than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Si’umu runs warmer than most and drier than most in September. Saleilua, 9 km to the ESE, is 1° cooler by day.
September in Si’umu, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus August
- about the same, 63 mm more rain
- Versus October
- 1° colder
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 2 min
- Average wind
- 14 km/h