Climate averages 1991–2020
Resende weather
in September.
A warm, wet month: the 8th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Resende: daytime highs average 25.2°C and nights cool to about 15.2°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 115 mm of rain on roughly 14 days, which makes September a wet month (the 5th 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 Barra Mansa (29 km away). In September its highs average 26.2°C, 1.0°C warmer than Resende, with 69 mm of rain.
Among the 448 cities listed in Brazil, Resende ranks joint 333rd of 448 for the warmest September highs and 358th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Resende is 2.4°C cooler than that mean.
From September to October, average highs rise by 0.9°C to 26.1°C, and monthly rainfall rises from 115 mm to 194 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
Resende climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C19.8°C | 19.8°C | 404 | 24.9 | 13.313 h |
| February | 28.4°C19.8°C | 19.8°C | 309 | 20.3 | 12.913 h |
| March | 27.0°C19.1°C | 19.1°C | 307 | 22.9 | 12.212 h |
| April | 25.7°C17.6°C | 17.6°C | 131 | 15.1 | 11.612 h |
| May | 23.4°C14.8°C | 14.8°C | 77 | 11.0 | 11.111 h |
| June | 23.0°C13.0°C | 13.0°C | 45 | 7.5 | 10.811 h |
| July | 22.8°C12.4°C | 12.4°C | 45 | 7.4 | 10.911 h |
| August | 24.0°C13.2°C | 13.2°C | 47 | 7.4 | 11.311 h |
| September, selected | 25.2°C15.2°C | 15.2°C | 115 | 14.0 | 11.912 h |
| October | 26.1°C17.0°C | 17.0°C | 194 | 18.8 | 12.613 h |
| November | 25.9°C17.9°C | 17.9°C | 311 | 22.5 | 13.213 h |
| December | 27.2°C19.2°C | 19.2°C | 379 | 25.1 | 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
- Barra Mansa in SeptemberBrazil · 29 kmHigh 26.2°C · Low 15.9°C · 69 mm rain
- Volta Redonda in SeptemberBrazil · 36 kmHigh 26.3°C · Low 15.9°C · 63 mm rain
- Cruzeiro in SeptemberBrazil · 55 kmHigh 26.5°C · Low 15.5°C · 79 mm rain
- Angra dos Reis in SeptemberBrazil · 61 kmHigh 25.4°C · Low 19.5°C · 104 mm rain
- Barra do Piraí in SeptemberBrazil · 64 kmHigh 26.4°C · Low 16.9°C · 66 mm rain
- Lorena in SeptemberBrazil · 75 kmHigh 25.8°C · Low 15.3°C · 66 mm rain
- Valença (Rio de Janeiro), Brazil in SeptemberBrazil · 81 kmHigh 25.4°C · Low 15.6°C · 76 mm rain
- Itaguaí in SeptemberBrazil · 81 kmHigh 26.4°C · Low 18.6°C · 79 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 Resende) is explained once on the Resende year overview and on the Sources, method and limits page.