Niterói in September
Find out everything about the water temperature in Niterói in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:
68.7 °F
Average:
73.4 °F
Maximum:
78.5 °F
Sea water temperature in Niterói in September
In the city of Niterói, the month of September is a great time for swimming. The minimum recorded temperature during this month was 68.7°F on September 9, 2017, with an average temperature being 73.4°F and a maximum temperature reaching 78.5°F on September 27, 2023.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 72.3°F | 72.2°F | 72.2°F |
| Sep 2 | 72.5°F | 72.8°F | 72.7°F |
| Sep 3 | 72.6°F | 71.4°F | 72.9°F |
| Sep 4 | 73.0°F | 73.8°F | 73.3°F |
| Sep 5 | 72.8°F | 74.6°F | 73.8°F |
| Sep 6 | 72.6°F | 74.2°F | 76.5°F |
| Sep 7 | 72.1°F | 74.0°F | 75.8°F |
| Sep 8 | 72.0°F | 74.4°F | 74.0°F |
| Sep 9 | 72.5°F | 74.6°F | 73.8°F |
| Sep 10 | 73.1°F | 75.5°F | 74.1°F |
| Sep 11 | 73.6°F | 75.6°F | 74.2°F |
| Sep 12 | 73.8°F | 77.2°F | 74.3°F |
| Sep 13 | 74.0°F | 77.5°F | 75.1°F |
| Sep 14 | 74.0°F | 76.0°F | 76.9°F |
| Sep 15 | 74.0°F | 76.1°F | 75.7°F |
| Sep 16 | 73.6°F | 73.8°F | 73.3°F |
| Sep 17 | 73.6°F | 74.7°F | 74.3°F |
| Sep 18 | 73.7°F | 74.0°F | 75.6°F |
| Sep 19 | 73.8°F | 75.1°F | 76.4°F |
| Sep 20 | 73.8°F | 74.6°F | 75.4°F |
| Sep 21 | 74.5°F | 75.8°F | 75.4°F |
| Sep 22 | 74.1°F | 73.8°F | 77.1°F |
| Sep 23 | 73.9°F | 75.8°F | 78.1°F |
| Sep 24 | 73.5°F | 76.2°F | 76.2°F |
| Sep 25 | 73.9°F | 77.2°F | 78.4°F |
| Sep 26 | 73.8°F | 77.6°F | 77.8°F |
| Sep 27 | 74.2°F | 78.4°F | 78.5°F |
| Sep 28 | 74.2°F | 78.2°F | 77.5°F |
| Sep 29 | 74.3°F | 77.4°F | 76.9°F |
| Sep 30 | 73.7°F | 75.2°F | 76.5°F |
In Niterói, the months September through May offer comfortable swimming conditions, which amounts to 271 swimming days.
The warmest water in Niterói was recorded on February 14, 2018, reaching a 86.1°F. While the coldest temperature occurred on August 8, 2018, dipping to 67.8°F. The average readings by season are 79.3°F in Winter, 77.7°F in Spring, 72.4°F in Summer, and 74.3°F in Autumn.
The average temperature in September is slightly warmer than August's average of 72.0°F. And in October, the temperature is expected to rise further, potentially reaching an average of 74.3°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Rio de Janeiro |
80.3°F
|
5mi |
| Duque de Caxias |
82.5°F
|
15mi |
| São João de Meriti |
82.5°F
|
18mi |
| Belford Roxo |
82.5°F
|
21mi |
* current water temperature in this city
** straight line distance from Niterói