Porto Seguro Weather in September
September in Porto Seguro typically sees daytime highs of 27°C (81°F) and nighttime lows of 21°C (70°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Porto Seguro in September
Clear skies and little rain are the norm this month. A great time to spend time outdoors. The climate data from previous years indicates about 18 days of rain, averaging 63 mm (2.5 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Porto Seguro in September
Porto Seguro in September is worth a visit. The temperature is perfect, with 27°C (81°F) during the day and 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Porto Seguro.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Porto Seguro's climate page.
Porto Seguro Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
27°C (81°F)
Chance of Rain
61%
Precipitation
63 mm (2.5 in)
Rainy days
18 days
Historical weather for Porto Seguro in September
Browse day-by-day weather records for Porto Seguro spanning 25 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porto Seguro historical weather extremes in September
According to our 19 years of weather records for Porto Seguro, the following extremes were recorded between 2006 and 2025.
- Porto Seguro recorded its highest September temperature of 31°C (88°F) on September 29, 2009.
- On September 27, 2012, Porto Seguro saw its coldest September day with temperatures maxing out at 20°C (68°F).
- The coldest night in September in Porto Seguro was on September 9, 2010, with a minimum of 13°C (55°F).
Best Places in Brazil in September
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in September →
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What to Wear in Porto Seguro in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Porto Seguro in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Porto Seguro's climate page.
See the full Porto Seguro climate overview or explore weather in Brazil.
