Santos Weather in September

September in Santos brings high temperatures around 24°C (75°F) during the day, dropping to 18°C (64°F) at night, with quite a bit of rainfall expected, averaging around 148 mm (5.8 in) for the month.

Rainfall in Santos in September

Typically, you can expect about 14 days of rain this month, with 148 mm (5.8 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Santos in September

Expect highs of 24°C (75°F) in Santos in September, with nights dropping to around 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Santos in September

The month has fewer sunny days, with around 90 hours of sunshine.

For Santos itself, June and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.