Climate averages 1991–2020
Itaperuna weather
in September.
A hot, moderately wet month: the 8th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Itaperuna: daytime highs average 28.1°C and nights cool to about 17.5°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 56 mm of rain on roughly 7 days, which makes September a moderately 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 Muriaé (50 km away). In September its highs average 27.5°C, 0.5°C cooler than Itaperuna, with 65 mm of rain.
Among the 448 cities listed in Brazil, Itaperuna ranks joint 178th of 448 for the warmest September highs and joint 190th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Itaperuna is 0.5°C warmer than that mean.
From September to October, average highs rise by 0.8°C to 28.9°C, and monthly rainfall rises from 56 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
Itaperuna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.7°C22.1°C | 22.1°C | 177 | 16.2 | 13.313 h |
| February | 31.1°C22.2°C | 22.2°C | 110 | 11.6 | 12.813 h |
| March | 29.7°C21.7°C | 21.7°C | 143 | 15.8 | 12.212 h |
| April | 28.2°C20.2°C | 20.2°C | 72 | 10.3 | 11.612 h |
| May | 26.1°C17.4°C | 17.4°C | 45 | 6.7 | 11.111 h |
| June | 25.5°C15.9°C | 15.9°C | 16 | 3.5 | 10.911 h |
| July | 25.4°C15.4°C | 15.4°C | 16 | 4.0 | 11.011 h |
| August | 26.6°C15.9°C | 15.9°C | 20 | 4.0 | 11.411 h |
| September, selected | 28.1°C17.5°C | 17.5°C | 56 | 7.4 | 12.012 h |
| October | 28.9°C19.4°C | 19.4°C | 99 | 10.8 | 12.613 h |
| November | 28.4°C20.3°C | 20.3°C | 202 | 16.7 | 13.113 h |
| December | 29.7°C21.5°C | 21.5°C | 223 | 19.4 | 13.413 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
- Muriaé in SeptemberBrazil · 50 kmHigh 27.5°C · Low 17.2°C · 65 mm rain
- Campos dos Goytacazes in SeptemberBrazil · 84 kmHigh 27.1°C · Low 19.3°C · 47 mm rain
- Cachoeiro de Itapemirim in SeptemberBrazil · 90 kmHigh 27.2°C · Low 17.8°C · 76 mm rain
- Manhuaçu in SeptemberBrazil · 106 kmHigh 25.2°C · Low 15.8°C · 48 mm rain
- Ubá in SeptemberBrazil · 110 kmHigh 27.1°C · Low 16.7°C · 63 mm rain
- Viçosa in SeptemberBrazil · 115 kmHigh 25.7°C · Low 16.1°C · 53 mm rain
- Macaé in SeptemberBrazil · 132 kmHigh 25.4°C · Low 19.2°C · 60 mm rain
- Nova Friburgo in SeptemberBrazil · 137 kmHigh 23.8°C · Low 15.2°C · 117 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 Itaperuna) is explained once on the Itaperuna year overview and on the Sources, method and limits page.