Altos Weather in September
Altos in September
The short of it: Altos in September averages a high of 36 °C (96 °F) and a low of 22 °C (71 °F), with 6.0 mm (0.24 in) of rain and about 12 h 5 min of daylight. Rated 3 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.
Average high 36° · low 22° · rain 6.0 mm · daylight 12 h 5 min
✦✦✦ Fair for a visit · best months: June & July
Thirty years of records give Altos an average September high of 36°, a low of 22° and some 6.0 mm of rain. Days run hot, near 36° in the afternoon; ride early and rest at noon. Rain is scarce, about 6.0 mm, the 11th wettest month.
The sun is up for about 12 h 5 min in mid-September.
For the traveller: pack linen, a wide hat and water. The Almanac rates September 3 of 5 for a visit; the finest months here are June and July.
Against its neighbours, Altos runs cooler than most and about as wet in September. Pau d'Arco do Piauí, 25 km to the SSE, is 1° warmer by day.
September in Altos, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 11th wettest of 12
- Versus August
- 2° warmer, 2.0 mm more rain
- Versus October
- about the same
- Day–night spread
- 14°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 5 min
- Average wind
- 5 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Pau d'Arco do PiauíPiauí | 25 km SSE | 37° | 22° | 6.0 mm |
| CoivarasPiauí | 29 km ESE | 36° | 21° | 4.0 mm |
| José de FreitasPiauí | 34 km NNW | 36° | 22° | 7.0 mm |
| Alto LongáPiauí | 36 km SE | 36° | 22° | 5.0 mm |
| TeresinaPiauí | 38 km W | 37° | 23° | 8.0 mm |
| Campo MaiorPiauí | 40 km NE | 37° | 22° | 5.0 mm |
| TimonMaranhão | 42 km W | 37° | 23° | 8.0 mm |
| Demerval LobãoPiauí | 43 km SW | 36° | 22° | 7.0 mm |