Nantucket Weather in September
September in Nantucket sees daytime temperatures around 22°C (72°F) and lows of 15°C (59°F) at night. With around 83 mm (3.3 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Nantucket in September
You can typically expect 9 days of rain this month, averaging around 83 mm (3.3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Nantucket in September
September tends to be one of the excellent months in Nantucket, with 22°C (72°F) in the afternoon and 15°C (59°F) overnight. This month falls in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Nantucket in September
The city usually sees around 231 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Nantucket.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Nantucket's climate page.
Nantucket Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
22°C (72°F)
Chance of Rain
30%
Precipitation
83 mm (3.3 in)
Rainy days
9 days
Sunshine
231 hours
Percentage Sunshine
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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unpleasant
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What to Wear in Nantucket in September
For Nantucket in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Nantucket in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Nantucket's climate page.
See the full Nantucket climate overview or explore weather in the United States of America.
