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Sea Temperature in Porto Alegre in September
© Joice Paz
Complete information on the sea temperature range in the Atlantic Ocean in Porto Alegre in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Porto Alegre. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Porto Alegre in September
14°C
MINIMUN
17.5°C
AVERAGE
21°C
MAXIMUM
Historical Data of Water Temperature in September in Porto Alegre
Water Temperature Chart for Atlantic Ocean in Porto Alegre in September
Sea Temperature Table in Porto Alegre in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 17°C | 21°C | 18°C | 17.5°C |
| Sep 2 | 17°C | 20°C | 18°C | 17.5°C |
| Sep 3 | 17°C | 20°C | 18°C | 17.8°C |
| Sep 4 | 18°C | 20°C | 18°C | 18.0°C |
| Sep 5 | 18°C | 18°C | 18°C | 17.5°C |
| Sep 6 | 18°C | 19°C | 17°C | 17.5°C |
| Sep 7 | 19°C | 19°C | 17°C | 17.5°C |
| Sep 8 | 18°C | 19°C | 18°C | 17.8°C |
| Sep 9 | 18°C | 18°C | 18°C | 17.5°C |
| Sep 10 | 18°C | 18°C | 18°C | 17.5°C |
| Sep 11 | 18°C | 18°C | 18°C | 17.8°C |
| Sep 12 | 18°C | 19°C | 18°C | 17.5°C |
| Sep 13 | 18°C | 19°C | 18°C | 17.8°C |
| Sep 14 | 19°C | 19°C | 18°C | 18.0°C |
| Sep 15 | 18°C | 19°C | 18°C | 17.8°C |
| Sep 16 | 18°C | 19°C | 18°C | 18.0°C |
| Sep 17 | 19°C | 19°C | 18°C | 18.3°C |
| Sep 18 | 19°C | 20°C | 18°C | 18.5°C |
| Sep 19 | 19°C | 20°C | 18°C | 18.5°C |
| Sep 20 | 19°C | 19°C | 19°C | 18.8°C |
| Sep 21 | 19°C | 19°C | 19°C | 18.8°C |
| Sep 22 | 19°C | 19°C | 19°C | 18.8°C |
| Sep 23 | 19°C | 19°C | 19°C | 19.0°C |
| Sep 24 | 20°C | 20°C | 17°C | 18.5°C |
| Sep 25 | 19°C | 19°C | 19°C | 18.8°C |
| Sep 26 | 20°C | 19°C | 19°C | 19.0°C |
| Sep 27 | 19°C | 18°C | 19°C | 18.8°C |
| Sep 28 | 20°C | 19°C | 19°C | 19.0°C |
| Sep 29 | 20°C | 19°C | 19°C | 19.0°C |
Porto Alegre Climate and Swimming Opportunities in September
21°C
Average Day Air Temperature
9°C
Average Night Air Temperature
206 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
12 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
8 km/h
Average Wind Speed
81%
Average
humidity
Porto Alegre lies within the Rio Grande Do Sul in Brazil. The average daytime temperature in Porto Alegre in September is 21°C (69°F), while the nighttime average is 9°C (48°F). There are typically 14 rainy days during the month, with a total precipitation of 206 mm (8.1 inches). The daylight duration in September in Porto Alegre is 12 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 8 km/h (5 mph), and the humidity level is around 81%.
The water temperature in Porto Alegre in September ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-September and reaching 19°C (66°F) in the last ten days. Overall, the average sea temperature in Porto Alegre for September is 18°C (64°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Porto Alegre
What is the sea temperature in Porto Alegre in September?
The water temperature in the Atlantic Ocean in Porto Alegre in September ranges from 17°C to 19°C (63°F to 66°F).
Is it possible to swim in the Atlantic Ocean in Porto Alegre in September?
The average sea temperature in Porto Alegre in September is 18°C (64°F), and the air temperature is 21°C (69°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.