Cape Cod National Seashore in september: average Weather, Temperature and Climate
Weather in Cape Cod National Seashore in september 2025
The weather in Cape Cod National Seashore in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
67°F
Clear/Sunny
44% of time
26%
13%
11%
Weather at 12pm
67°F
Clear/Sunny
52% of time
26%
10%
9%
Weather at 6pm
67°F
Clear/Sunny
52% of time
28%
12%
6%
Weather at 3am
67°F
48%
21%
14%
11%
Evolution of daily average temperature and precipitation in Cape Cod National Seashore in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cape Cod National Seashore in september.
The climate of Cape Cod National Seashore in september is good
The weather in september in Cape Cod National Seashore is relatively dry (with 3.1in of rainfall over 5 days). It should be noted an improvement from the previous month since in august it receives an average of 3.7in of rainfall over 5 days.
The climate quite comfortable in this city this month. The thermometer averaged maximum of 68°F. The seasonal minimum is 65°F. Thus, the mean temperature average on this month of september in Cape Cod National Seashore is 67°F. These temperatures are far removed from those records observed in Cape Cod National Seashore in september with a maximum record of 77°F in 2018 and a minimum record of 45°F in 2020. You can plan to have about 25 days with temperatures over 65°F, or 83% of the month.
In september in Cape Cod National Seashore, the days on average last 12:28. The sun rises at 05:21 and sets at 17:49.
With good weather conditions, the month of september is a good time to go there.
Seasonal average climate and temperature of Cape Cod National Seashore in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 65°F | ||||
| Highest record temperature | 77°F (2018) | ||||
| Lowest record temperature | 45°F (2020) | ||||
| Number of days at +65°F | 25 day(s) (83%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 27km/h | ||||
| Wind temperature | 65°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.1in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 1.6in (2019) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.56km | ||||
| Cloud cover | 32% | ||||
| UV index | 5 | ||||
| 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 Cape Cod National Seashore in september 2024:
68°F to 70°F
67°F to 68°F
61°F to 65°F
63°F to 68°F
67°F to 67°F
65°F to 67°F
65°F to 67°F
58°F to 67°F
59°F to 68°F
63°F to 67°F
63°F to 65°F
65°F to 68°F
65°F to 70°F
65°F to 67°F
65°F to 67°F
65°F to 68°F
61°F to 65°F
63°F to 65°F
63°F to 65°F
63°F to 65°F
61°F to 63°F
61°F to 63°F
59°F to 61°F
59°F to 61°F
59°F to 61°F
61°F to 65°F
59°F to 63°F
58°F to 63°F
56°F to 58°F
58°F to 59°F
Map: other cities in the United States (USA) in september
Cities near Cape Cod National Seashore:
| Provincetown in september | good weather |
| Nantucket Island (Massachusetts) in september | good weather |
| Boston in september | good weather |
| Massachusetts in september | perfect weather |
| Rhode Island in september | perfect weather |
| Hampton Beach in september | good weather |
| Old Orchard Beach in september | good weather |
| Connecticut in september | good weather |
| Bar Harbor (Maine) in september | good weather |
| Albany in september | good weather |
| Brooklyn in september | good weather |
| New York City in september | good weather |
Click over cities on the map for information about the weather in september.
Cape Cod National Seashore
perfect weather
good
tolerable
bad
very bad
Weather data for Cape Cod National Seashore in september:
Weather data for Cape Cod National Seashore for september are derived from an average of the weather forecast since 2009 in Cape Cod National Seashore. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cape Cod National Seashore 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 Cape Cod National Seashore.