Shelter Island Weather in September
September in Shelter Island brings high temperatures, with highs of 23°C (73°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 109 mm (4.3 in), so keep a rain jacket handy.
Rainfall in Shelter Island in September
Looking at the last 30 years, the data shows about 9 days with rain, averaging 109 mm (4.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Shelter Island in September
September in Shelter Island brings typical temperatures with highs around 23°C (73°F) and lows of 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Shelter Island.
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 Shelter Island's climate page.
Shelter Island Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
23°C (73°F)
Chance of Rain
30%
Precipitation
109 mm (4.3 in)
Rainy days
9 days
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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tolerable
unpleasant
poor
What to Wear in Shelter Island in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Shelter Island 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 Shelter Island's climate page.
See the full Shelter Island climate overview or explore weather in the United States of America.
