Nantucket Island (Massachusetts) in september: average Weather, Temperature and Climate
Weather in Nantucket Island (Massachusetts) in september 2025
The weather in Nantucket Island (Massachusetts) in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
68°F
Clear/Sunny
42% of time
28%
13%
11%
Weather at 12pm
68°F
Clear/Sunny
49% of time
25%
15%
8%
Weather at 6pm
68°F
Clear/Sunny
50% of time
29%
11%
7%
Weather at 3am
68°F
46%
25%
18%
8%
Evolution of daily average temperature and precipitation in Nantucket Island (Massachusetts) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Nantucket Island (Massachusetts) in september.
The climate of Nantucket Island (Massachusetts) in september is good
In september in Nantucket Island (Massachusetts), the climate is quite dry (with 4.1in of rainfall over 5 days). The weather is better from the previous month since in august it receives an average of 4.8in of rainfall over 6 days.
The climate enjoyable in that area the month of september. The high seasonal norm is 70°F. In the morning the temperature drops to 67°F. Thus, the mean temperature average in september in Nantucket Island (Massachusetts) is 68°F. These temperatures are far removed from those records observed in Nantucket Island (Massachusetts) in september with a maximum record of 76°F in 2010 and a minimum record of 54°F in 2013.
In september in Nantucket Island (Massachusetts), the days on average last 12:28. The sun rises at 05:21 and sunset is at 17:49.
With a good weather, the month of september is advisable to go there.
Seasonal average climate and temperature of Nantucket Island (Massachusetts) in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 68°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 76°F (2010) | ||||
| Lowest record temperature | 54°F (2013) | ||||
| Number of days at +65°F | 27 day(s) (90%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 62°F | ||||
| Highest sea temperature | 69°F | ||||
| Wind | |||||
| Wind speed | 28km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 5 day(s) (16%) | ||||
| Record daily rainfall | 2.6in (2015) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.58km | ||||
| Cloud cover | 32% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:21 | ||||
| Time of sunset | 17:49 | ||||
| Length of day | 12:28 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Nantucket Island (Massachusetts) in september 2024:
72°F to 72°F
68°F to 72°F
65°F to 68°F
67°F to 68°F
67°F to 68°F
67°F to 68°F
67°F to 68°F
61°F to 70°F
65°F to 68°F
68°F to 70°F
65°F to 68°F
67°F to 67°F
68°F to 68°F
68°F to 70°F
65°F to 67°F
65°F to 67°F
63°F to 67°F
65°F to 67°F
67°F to 67°F
65°F to 67°F
63°F to 65°F
63°F to 63°F
61°F to 63°F
61°F to 63°F
59°F to 61°F
61°F to 67°F
63°F to 65°F
59°F to 63°F
56°F to 58°F
56°F to 59°F
Map: other cities in the United States (USA) in september
Cities near Nantucket Island (Massachusetts):
| Cape Cod National Seashore in september | good weather |
| Provincetown in september | good weather |
| Rhode Island in september | perfect weather |
| Boston in september | good weather |
| Massachusetts in september | perfect weather |
| Hampton Beach in september | good weather |
| Old Orchard Beach in september | good weather |
| Connecticut in september | good weather |
| Brooklyn in september | good weather |
| New York City in september | good weather |
| Albany in september | good weather |
| Bar Harbor (Maine) in september | good weather |
Click over cities on the map for information about the weather in september.
Nantucket Island (Massachusetts)
perfect weather
good
tolerable
bad
very bad
Weather data for Nantucket Island (Massachusetts) in september:
Weather data for Nantucket Island (Massachusetts) for september are derived from an average of the weather forecast since 2009 in Nantucket Island (Massachusetts). There is a margin of error and these forecasts are to be considered as general information only. The weather in Nantucket Island (Massachusetts) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Nantucket Island (Massachusetts).