Weather in September
An excellent water temperature of 27.3°C (81.1°F) makes
September in
São José de Ribamar,
Brazil, a prime for swimming and other water activities.
Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 27.3°C (81.1°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.
Daylight
In September, the average length of the day is 12h and 6min.
On the first day of September, sunrise is at 05:54 and sunset at 17:58. On the last day of the month, sunrise is at 05:42 and sunset at 17:50 -03.
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