Measurements:
°C
°F
Nantucket
50°F
W 21 mph
Feels like: 42°F
Precip: 0%
World Resorts USA Nantucket Weather September Weather in Nantucket

Nantucket Weather: September

Average Day Temperature: 68.8°F
Average Night Temperature: 68.1°F
Sea Water Temperature: 70.8°F
Number of Sunny Days: 13 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.0 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 74°F. The lowest night temperature was 57°F. The average values for day and night temperatures during September were 67.1°F и 66.4°F respectivly.

Nantucket Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Nantucket was 68.1°F. The maximum and minimum values were 61.8°F and 71.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Nantucket is 1.0 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 15.0 mph. It makes September one of the most windless months of the year for Nantucket.

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 Nantucket in September is 7.5 hours.

Best Time to Visit Nantucket
The most sunny months:
June 14 days
September 13 days
July 12 days
The most warm months:
August 73.6 °F
July 73.0 °F
September 68.8 °F
Warmest sea temperature:
August 74.9 °F
July 72.7 °F
September 70.8 °F
The most cold months:
February 35.6 °F
January 36.3 °F
March 39.2 °F
The most rainy months:
January 4 days
October 4 days
March 3 days
The most windy months:
March 19 mph
December 19 mph
January 18 mph

Nantucket on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Nantucket
Local time: 17:07
21 nov, thursday
1800 50°F
W
21 mph
2100 50°F
W
29 mph
22 nov, friday
0000 50°F
W
32 mph
0300 50°F
NE
36 mph
0600 50°F
NE
30 mph
0900 50°F
NE
23 mph
1200 50°F
N
12 mph
1500 50°F
NW
17 mph