Climate averages 1991–2020
Lorena weather
in September.
A warm, moderately wet month: the 7th 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 Lorena: daytime highs average 25.8°C and nights cool to about 15.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 66 mm of rain on roughly 9 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 Guaratinguetá (12 km away). In September its highs average 25.9°C, about as warm as Lorena, with 91 mm of rain.
Among the 448 cities listed in Brazil, Lorena ranks joint 304th of 448 for the warmest September highs and joint 237th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Lorena is 1.7°C cooler than that mean.
From September to October, average highs rise by 0.8°C to 26.7°C, and monthly rainfall rises from 66 mm to 99 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
Lorena climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C19.5°C | 19.5°C | 217 | 21.7 | 13.413 h |
| February | 28.1°C19.5°C | 19.5°C | 145 | 17.5 | 12.913 h |
| March | 26.9°C18.8°C | 18.8°C | 135 | 17.8 | 12.212 h |
| April | 25.7°C17.5°C | 17.5°C | 54 | 9.3 | 11.612 h |
| May | 23.3°C14.7°C | 14.7°C | 42 | 7.0 | 11.011 h |
| June | 22.8°C13.3°C | 13.3°C | 25 | 5.0 | 10.811 h |
| July | 22.8°C12.7°C | 12.7°C | 29 | 4.8 | 10.911 h |
| August | 24.4°C13.5°C | 13.5°C | 28 | 5.0 | 11.311 h |
| September, selected | 25.8°C15.3°C | 15.3°C | 66 | 9.3 | 11.912 h |
| October | 26.7°C16.9°C | 16.9°C | 99 | 14.0 | 12.613 h |
| November | 26.3°C17.6°C | 17.6°C | 143 | 17.3 | 13.213 h |
| December | 27.4°C18.9°C | 18.9°C | 185 | 20.2 | 13.513 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
- Guaratinguetá in SeptemberBrazil · 12 kmHigh 25.9°C · Low 15.6°C · 91 mm rain
- Cruzeiro in SeptemberBrazil · 24 kmHigh 26.5°C · Low 15.5°C · 79 mm rain
- Pindamonhangaba in SeptemberBrazil · 41 kmHigh 26.2°C · Low 15.1°C · 83 mm rain
- Itajubá in SeptemberBrazil · 48 kmHigh 25.6°C · Low 15.7°C · 94 mm rain
- Taubaté in SeptemberBrazil · 55 kmHigh 25.6°C · Low 14.7°C · 83 mm rain
- Caçapava in SeptemberBrazil · 72 kmHigh 25.6°C · Low 15.0°C · 89 mm rain
- Resende in SeptemberBrazil · 75 kmHigh 25.2°C · Low 15.2°C · 115 mm rain
- Ubatuba in SeptemberBrazil · 78 kmHigh 23.0°C · Low 18.3°C · 154 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 Lorena) is explained once on the Lorena year overview and on the Sources, method and limits page.