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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 excellent, 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.
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
Porto Seguro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Porto Seguro - and find the best time to visit.
Historical weather records 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 20 years of weather records for Porto Seguro, the following extremes were recorded between 2006 and 2026.
- 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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
Porto Seguro 3-Day Forecast
More climate data for Porto Seguro
See the full Porto Seguro climate overview or explore weather in Brazil.
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Where to go in September - average daytime high across popular destinations.
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