Measurements:
°C
°F
Rockland
50°F
E 21 mph
Feels like: 42°F
Precip: 4%
World Resorts USA Rockland Weather September Weather in Rockland

Rockland Weather: September

Average Day Temperature: 66.5°F
Average Night Temperature: 57.5°F
Sea Water Temperature: 61.2°F
Number of Sunny Days: 12 days
Sunshine Hours: 11.8 - 13.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 87°F. The lowest night temperature was 49°F. The average values for day and night temperatures during September were 64.7°F и 57.0°F respectivly.

Rockland Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Rockland was 60.1°F. The maximum and minimum values were 58.0°F and 62.8°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 Rockland is 1.1 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.6 mph. It makes September one of the most windless months of the year for Rockland.

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 Rockland in September is 7.0 hours.

Best Time to Visit Rockland
The most sunny months:
November 15 days
October 13 days
December 12 days
The most warm months:
July 72.9 °F
August 72.8 °F
June 66.7 °F
Warmest sea temperature:
August 64.0 °F
July 61.5 °F
September 61.2 °F
The most cold months:
January 27.7 °F
February 28.4 °F
December 34.4 °F
The most rainy months:
December 3 days
April 3 days
November 3 days
The most windy months:
December 12 mph
January 11 mph
February 11 mph

Rockland on the Weather Map

USA Resorts:
NAME
F°
Boston +52
Chicago +58
Hawaii +80
Houston +82
Las Vegas +82
Los Angeles +96
Maui +72
Miami +86
Myrtle Beach +68
New York +56
San Diego +86
San Francisco +66
Santa Monica +88
Sarasota +80
Washington +58
24 Hours Weather Forecast
Rockland
Local time: 00:32
06 oct, tuesday
0300 46°F
E
20 mph
0600 46°F
E
24 mph
0900 46°F
E
22 mph
1200 50°F
SE
25 mph
1500 52°F
SE
25 mph
1800 52°F
SE
22 mph
2100 48°F
E
16 mph
07 oct, wednesday
0000 48°F
E
14 mph