Measurements:
°C
°F
Arroio do Silva
76°F
N 1 mph
Feels like: 80°F
Precip: 100%
World Resorts Brazil Arroio do Silva Weather September Weather in Arroio do Silva

Arroio do Silva Weather: September

Average Day Temperature: 72.1°F
Average Night Temperature: 60.7°F
Sea Water Temperature: 65.2°F
Number of Sunny Days: 9 days
Sunshine Hours: 11.5 - 12.3 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 84°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 71.4°F и 58.5°F respectivly.

Arroio do Silva Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Arroio do Silva was 66.2°F. The maximum and minimum values were 64.6°F and 68.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Arroio do Silva is 1.5 in.

Wind Speed in September, mph

The average wind speed in September is 6.1 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Arroio do Silva in September is 6.1 hours.

Best Time to Visit Arroio do Silva
The most sunny months:
May 16 days
July 16 days
August 14 days
The most warm months:
February 84.5 °F
January 83.7 °F
March 83.5 °F
Warmest sea temperature:
February 78.8 °F
March 78.7 °F
January 77.0 °F
The most cold months:
July 66.6 °F
June 67.9 °F
August 68.5 °F
The most rainy months:
January 5 days
November 4 days
October 4 days
The most windy months:
October 6 mph
November 6 mph
September 6 mph

Arroio do Silva on the Weather Map

24 Hours Weather Forecast
Arroio do Silva
Local time: 17:44
11 jan, sunday
1800 76°F
N
1 mph
2100 72°F
S
3 mph
12 jan, monday
0000 72°F
SE
2 mph
0300 70°F
SE
2 mph
0600 70°F
SE
2 mph
0900 76°F
NE
2 mph
1200 84°F
NW
5 mph
1500 84°F
NW
7 mph