September weather forecastNiterói, Brazil
September
Weather in September
As September ushers in, temperatures in Niterói's sea marginally decrease to 21.6°C (70.9°F). Notwithstanding, the sea conditions remain conducive for water-related activities. A shift towards extended daylight hours marks this period, incrementing to an average of 12 hours, contributing to the city's charm. Meanwhile, the growing daylight hours invite people to immerse themselves in Niterói's diverse cultural happenings. As Niterói transitions from winter to spring, tourists can enjoy the best of both seasons.Sea temperature
The month with the coldest seawater in Niterói is September, with an average sea temperature of 21.6°C (70.9°F).Note: In water with a temperature of 21.6°C (70.9°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
In September, the average length of the day is 11h and 58min.On the first day of September in Niterói, sunrise is at 06:02 and sunset at 17:42. On the last day of the month, sunrise is at 05:33 and sunset at 17:51 -03.
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the coldest seawater in Niterói is September, with an average sea temperature of 21.6°C (70.9°F).
In Niterói, the average seawater temperature in September is 21.6°C (70.9°F). For most, swimming in 21.6°C (70.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
In September, the average day length is 11h and 58min.
On the first day of September in Niterói, sunrise is at 06:02 and sunset at 17:42. On the last day of the month, sunrise is at 05:33 and sunset at 17:51 -03.
Average sea temperature in September
Niterói, Brazil
- Average sea temperature in September: 21.6°C
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in September
Niterói, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
