World Resorts Brazil Porto Seguro Weather

Porto Seguro weather in September

Weather in Porto Seguro: September

Average day temperature: 78.4°F
Average night temperature: 71.4°F
Sea water temperature: 77.6°F
Number of sunny days: 5 days
Day length: 11.8 - 12.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 80°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during September were 76.9°F and 71.2°F.

Sea water temperature in Porto Seguro in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.8°F. The highest and lowest sea temperatures during the month were 78.4°F and 76.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Porto Seguro in September is 0.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.1 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.2.

Best time for vacation in Porto Seguro

Sunniest months:
July 6 days
May 6 days
September 5 days
Warmest months:
March 83.6 °F
February 83.5 °F
January 82.5 °F
Warmest sea temp:
April 81.9 °F
March 81.7 °F
February 80.7 °F
Coldest months:
August 76.3 °F
July 76.6 °F
June 77.5 °F
Rainiest months:
December 6 days
November 5 days
April 5 days
Windiest months:
October 9.8 mph
November 9.5 mph
September 9.1 mph

Porto Seguro on a weather map

Porto Seguro
+73°F
E 7 mph
Feels like: +77°F
Precip.: 100%
Places in Brazil:
Name
°F
+70°F
+70°F
+77°F
+68°F
+81°F
+68°F
+79°F
+66°F
+72°F
+72°F
+68°F
+81°F
+66°F
24 Hours Forecast
Porto Seguro
Local time: 05:30
December 05, friday
0600
73°F
E
7 mph
0900
73°F
NE
9 mph
1200
72°F
N
9 mph
1500
72°F
N
5 mph
1800
72°F
N
2 mph
2100
72°F
E
2 mph
December 06, saturday
0000
72°F
E
3 mph
0300
72°F
E
4 mph
Units of measurement: °C / °F