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Porto Alegre weather in September

Weather in Porto Alegre: September

Average day temperature: 70.6°F
Average night temperature: 60.5°F
Sea water temperature: 64.5°F
Number of sunny days: 10 days
Day length: 11.5 - 12.4 hours
Number of rainy days: 5 days
Precipitation totals: 2.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 91°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during September were 74.3°F and 61.4°F.

Sea water temperature in Porto Alegre in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 64.1°F. The highest and lowest sea temperatures during the month were 69.4°F and 60.3°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Porto Alegre in September is 2.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.4 mph

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 Alegre

Sunniest months:
August 16 days
July 15 days
March 15 days
Warmest months:
January 87.5 °F
February 86.1 °F
December 84.3 °F
Warmest sea temp:
February 80.7 °F
January 80.7 °F
March 79.6 °F
Coldest months:
July 64.8 °F
June 65.4 °F
May 67.8 °F
Rainiest months:
September 5 days
May 5 days
July 4 days
Windiest months:
December 7.5 mph
November 7.2 mph
January 7.2 mph

Porto Alegre on a weather map

Porto Alegre
+64°F
N 11 mph
Feels like: +64°F
Precip.: 100%
Places in Brazil:
Name
°F
+73°F
+79°F
+59°F
+79°F
+79°F
+64°F
+79°F
+79°F
+70°F
+72°F
+73°F
+64°F
+68°F
+81°F
24 Hours Forecast
Porto Alegre
Local time: 02:22
December 22, sunday
0300
64°F
N
11 mph
0600
63°F
NW
11 mph
0900
63°F
W
6 mph
1200
70°F
NW
8 mph
1500
72°F
NW
10 mph
1800
68°F
NW
11 mph
2100
64°F
NW
9 mph
December 23, monday
0000
63°F
W
7 mph
Units of measurement: °C / °F