Río Branco Weather in September
Río Branco in September
The short of it: Río Branco in September averages a high of 20 °C (68 °F) and a low of 11 °C (51 °F), with 120 mm (4.7 in) of rain and about 11 h 57 min of daylight. Rated 3 of 5 for a visit; the best months are October and April. Source: TerraClimate climate normals, 1991–2020.
Average high 20° · low 11° · rain 120 mm · daylight 11 h 57 min
✦✦✦ Fair for a visit · best months: October & April
Thirty years of records give Río Branco an average September high of 20°, a low of 11° and some 120 mm of rain. Much like August: highs about 20°, nights near 11°. Easy travelling weather. Wet spells are common — about 120 mm, the 3rd wettest month.
The sun is up for about 11 h 57 min in mid-September, 61 minutes more 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 October and April.
Against its neighbours, Río Branco runs cooler than most and drier than most in September. Jaguarão, 4 km to the NNE, sees much the same highs.
September in Río Branco, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- 1° warmer, 8.0 mm more rain
- Versus October
- 3° colder
- Day–night spread
- 9°
- Snow season
- seldom any
- Daylight, mid-month
- 11 h 57 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| JaguarãoRio Grande do Sul | 4 km NNE | 20° | 11° | 121 mm |
| Arroio GrandeRio Grande do Sul | 49 km NE | 20° | 11° | 134 mm |
| HervalRio Grande do Sul | 64 km N | 20° | 10° | 140 mm |
| VergaraTreinta y Tres Department | 64 km SW | 20° | 9° | 105 mm |
| MeloCerro Largo | 77 km WNW | 20° | 9° | 108 mm |
| General Enrique MartínezRocha Department | 78 km SSW | 19° | 10° | 100 mm |
| CebollatíRocha Department | 84 km SSW | 19° | 9° | 98 mm |
| Isidoro NoblíaCerro Largo | 99 km NW | 21° | 10° | 126 mm |