Rio Weather in September

Rio in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 131 mm (5.2 in) on average, so pack waterproofs just in case.

Rainfall in Rio in September

Historically, approximately 10 days this month are expected to have rain, averaging 131 mm (5.2 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Rio in September

Daytime temperatures in Rio reach 23°C (73°F) in September, dropping to 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rio in September

The month enjoys around 215 hours of sunshine, creating mostly sunny days with good weather conditions.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Rio.