Nova Iguaçu weather in September
September is one of the best months to visit Nova Iguaçu: highs of 26°C (79°F) and about 72 mm (2.8 in) of rain on average. Nights average 18°C (64°F) and cloud cover 57% (NASA POWER, 2001–2025 averages). It is the 5th driest month of the year and the 5th coolest. Compared with August, it is warmer and wetter; October brings highs of 27°C (80°F) and 117 mm (4.6 in) of rain.
Is September a good time to visit Nova Iguaçu?
best month Weather score 77/100.
Yes. September is one of the best months for weather in Nova Iguaçu.
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Does it rain a lot in Nova Iguaçu in September?
Some rain is normal: about 72 mm (2.8 in) falls in an average September. It is the 5th driest month of the year.
How warm is Nova Iguaçu in September?
Days average 26°C (79°F) and nights 18°C (64°F).
Nova Iguaçu weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 29°C (84°F) | 23°C (73°F) | 213 mm | 71% | least pleasant |
| February | 29°C (84°F) | 23°C (73°F) | 177 mm | 62% | least pleasant |
| March | 28°C (83°F) | 23°C (73°F) | 183 mm | 66% | least pleasant |
| April | 27°C (80°F) | 22°C (71°F) | 109 mm | 56% | fair |
| May | 25°C (77°F) | 19°C (66°F) | 70 mm | 56% | best |
| June | 25°C (76°F) | 18°C (64°F) | 48 mm | 49% | best |
| July | 24°C (76°F) | 17°C (62°F) | 45 mm | 45% | best |
| August | 25°C (77°F) | 17°C (62°F) | 41 mm | 45% | best |
| September | 26°C (79°F) | 18°C (64°F) | 72 mm | 57% | best |
| October | 27°C (80°F) | 19°C (67°F) | 117 mm | 70% | fair |
| November | 27°C (80°F) | 20°C (69°F) | 217 mm | 79% | least pleasant |
| December | 28°C (82°F) | 22°C (71°F) | 231 mm | 75% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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