Swimming in Rio de Janeiro in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Rio de Janeiro in september 2025.
In september, according to seasonal norms, the sea temperature in Rio de Janeiro is:
Minimum: 68°F
Average: 71°F
Maximum: 74°F
Other useful seasonal weather averages in september:
- Outside temperature: 69°F to 80°F
- Most common weather: "Clear/Sunny"
- The wind blows at 13.1mph
- It rains a total of 4.4in, over 7 day(s).
Should we swim in Rio de Janeiro in september?
Yes! The water temperature in Rio de Janeiro in september is pleasant
Swimming in september is pleasant in Rio de Janeiro and the surrounding area. The sea temperature is 71°F on average (min/max: 68°F/74°F), allowing you to swim for a long time and enjoy water sports.
Note also that in september, the climate is good with an average outside temperature of 75°F, 4.4in of precipitation (over 7 days) and 84.27 % humidity.
Water and normal seasonal temperatures in Rio de Janeiro in september
| September | |||
| Average sea temperature | 71°F | ||
| Minimum sea temperature | 68°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 76°F | ||
| Maximum outside temperature | 81°F | ||
| Minimum outside temperature | 70°F | ||
| Wind speed | 10.6mph | ||
| Wind temperature | 70°F | ||
| Precipitation | 4.4in | ||
| Number of days of rain | 7 jour(s) (22%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.38km | ||
| Cloud cover | 34% | ||
| Our opinion | pleasant swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Rio de Janeiro