Climate averages 1991–2020
Itatiba weather
in September.
A warm, 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 Itatiba: daytime highs average 25.8°C and nights cool to about 14.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 94 mm of rain on roughly 9 days, which makes September a 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 Valinhos (17 km away). In September its highs average 26.6°C, 0.8°C warmer than Itatiba, with 84 mm of rain.
Among the 448 cities listed in Brazil, Itatiba ranks joint 304th of 448 for the warmest September highs and joint 338th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Itatiba is 1.7°C cooler than that mean.
From September to October, average highs rise by 0.6°C to 26.4°C, and monthly rainfall rises from 94 mm to 141 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
Itatiba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C19.0°C | 19.0°C | 279 | 23.3 | 13.413 h |
| February | 27.3°C19.0°C | 19.0°C | 195 | 19.6 | 12.913 h |
| March | 26.4°C18.3°C | 18.3°C | 159 | 18.4 | 12.212 h |
| April | 25.3°C16.6°C | 16.6°C | 77 | 9.4 | 11.612 h |
| May | 22.8°C13.8°C | 13.8°C | 71 | 7.4 | 11.011 h |
| June | 22.3°C12.3°C | 12.3°C | 50 | 5.1 | 10.711 h |
| July | 22.4°C11.8°C | 11.8°C | 48 | 4.5 | 10.911 h |
| August | 24.2°C12.7°C | 12.7°C | 37 | 4.5 | 11.311 h |
| September, selected | 25.8°C14.9°C | 14.9°C | 94 | 8.8 | 11.912 h |
| October | 26.4°C16.5°C | 16.5°C | 141 | 14.1 | 12.613 h |
| November | 26.0°C17.1°C | 17.1°C | 181 | 16.8 | 13.213 h |
| December | 26.8°C18.4°C | 18.4°C | 224 | 21.2 | 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
- Valinhos in SeptemberBrazil · 17 kmHigh 26.6°C · Low 15.4°C · 84 mm rain
- Jundiaí in SeptemberBrazil · 21 kmHigh 25.4°C · Low 14.7°C · 86 mm rain
- Várzea Paulista in SeptemberBrazil · 23 kmHigh 25.3°C · Low 14.4°C · 91 mm rain
- Campinas in SeptemberBrazil · 25 kmHigh 27.0°C · Low 15.6°C · 84 mm rain
- Bragança Paulista in SeptemberBrazil · 31 kmHigh 25.0°C · Low 14.4°C · 82 mm rain
- Atibaia in SeptemberBrazil · 32 kmHigh 25.1°C · Low 14.5°C · 82 mm rain
- Francisco Morato in SeptemberBrazil · 32 kmHigh 24.7°C · Low 14.3°C · 91 mm rain
- Indaiatuba in SeptemberBrazil · 39 kmHigh 26.6°C · Low 15.3°C · 78 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 Itatiba) is explained once on the Itatiba year overview and on the Sources, method and limits page.