Climate averages 1991–2020
Caçapava weather
in September.
A warm, moderately wet month: the 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Caçapava: daytime highs average 25.6°C and nights cool to about 15.0°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 89 mm of rain on roughly 10 days, which makes September a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average September day.
The nearest other city in this atlas is Taubaté (18 km away). In September its highs average 25.6°C, about as warm as Caçapava, with 83 mm of rain.
Among the 448 cities listed in Brazil, Caçapava ranks joint 316th of 448 for the warmest September highs and joint 321st of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Caçapava is 1.9°C cooler than that mean.
From September to October, average highs rise by 0.9°C to 26.5°C, and monthly rainfall rises from 89 mm to 137 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Caçapava climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C19.3°C | 19.3°C | 294 | 23.7 | 13.413 h |
| February | 27.9°C19.3°C | 19.3°C | 228 | 19.7 | 12.913 h |
| March | 26.8°C18.7°C | 18.7°C | 190 | 19.8 | 12.212 h |
| April | 25.7°C17.1°C | 17.1°C | 74 | 10.9 | 11.612 h |
| May | 23.2°C14.2°C | 14.2°C | 60 | 7.9 | 11.011 h |
| June | 22.7°C12.7°C | 12.7°C | 37 | 5.5 | 10.711 h |
| July | 22.6°C12.0°C | 12.0°C | 43 | 5.2 | 10.911 h |
| August | 24.2°C13.0°C | 13.0°C | 37 | 5.5 | 11.311 h |
| September, selected | 25.6°C15.0°C | 15.0°C | 89 | 10.2 | 11.912 h |
| October | 26.5°C16.8°C | 16.8°C | 137 | 15.7 | 12.613 h |
| November | 26.2°C17.4°C | 17.4°C | 189 | 18.1 | 13.213 h |
| December | 27.2°C18.7°C | 18.7°C | 227 | 21.7 | 13.514 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Taubaté in SeptemberBrazil · 18 kmHigh 25.6°C · Low 14.7°C · 83 mm rain
- São José dos Campos in SeptemberBrazil · 20 kmHigh 25.5°C · Low 15.0°C · 77 mm rain
- Pindamonhangaba in SeptemberBrazil · 32 kmHigh 26.2°C · Low 15.1°C · 83 mm rain
- Jacareí in SeptemberBrazil · 35 kmHigh 25.2°C · Low 14.9°C · 77 mm rain
- Guaratinguetá in SeptemberBrazil · 61 kmHigh 25.9°C · Low 15.6°C · 91 mm rain
- Caraguatatuba in SeptemberBrazil · 65 kmHigh 24.5°C · Low 18.7°C · 111 mm rain
- Mogi das Cruzes in SeptemberBrazil · 68 kmHigh 23.7°C · Low 14.2°C · 89 mm rain
- Arujá in SeptemberBrazil · 71 kmHigh 24.0°C · Low 14.1°C · 89 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Caçapava) is explained once on the Caçapava year overview and on the Sources, method and limits page.