Weather in September
Sea temperature
In Rio Grande, Brazil, in September, the average water temperature is 13.9°C (57°F).Note: It is life-risking to swim in 13.9°C (57°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In Rio Grande, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 06:44 and sunset at 18:12. On the last day of September, in Rio Grande, sunrise is at 06:06 and sunset at 18:30 -03.
Frequently asked questions
How cold is the water in September in Rio Grande?
In Rio Grande, Brazil, the average seawater temperature in September is 13.9°C (57°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
What is the average length of the day in September in Rio Grande?
The average day length in September in Rio Grande is 11h and 55min.
When is the sunrise / sunset in September in Rio Grande?
On the first day of September in Rio Grande, sunrise is at 06:44 and sunset at 18:12. On the last day of the month, sunrise is at 06:06 and sunset at 18:30 -03.
Average sea temperature in September
Rio Grande, Brazil
- Average sea temperature in September: 13.9°C
The best months for swimming (with the highest average sea temperature) are January and February (24.2°C).
The coldest month (with the lowest average sea temperature) is July (13.3°C).
Average daylight in September
Rio Grande, Brazil
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
Rio Grande, Brazil
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