Porto Belo Weather in September

In Porto Belo, September brings high daytime temperatures around 22°C (72°F), with nights cooling to 16°C (61°F). Expect quite a bit of rainfall this month.

Rainfall in Porto Belo in September

Looking at the last 30 years, the data shows about 19 days with rain, averaging 148 mm (5.8 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Porto Belo in September

September in Porto Belo brings typical temperatures with highs around 22°C (72°F) and lows of 16°C (61°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Porto Belo in September

The area enjoys a moderate level of sunlight, with around 130 hours. It's a good balance between sunny and cloudy days.

For Porto Belo itself, July 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.