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.

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For a detailed overview over the year and the best time to visit Brazil, check out our Porto Belo's climate page.

Porto Belo Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 63%  

Precipitation 148 mm (5.8 in)  

Rainy days 19 days  

Humidity 80% *  

Sunshine 130 hours *  

Percentage Sunshine *  

* Data from: Florianópolis, Brazil (48 KM, 30 Miles).

What to Wear in Porto Belo in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Porto Belo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Porto Belo's climate page.

More climate data for Porto Belo

Temperature Rainfall Sunshine Humidity

See the full Porto Belo climate overview or explore weather in Brazil.