Shelter Island Heights Weather in September

Shelter Island Heights in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 108 mm (4.3 in) on average, so pack waterproofs just in case.

Rainfall in Shelter Island Heights in September

Climate statistics over the past 30 years suggest around 9 days of rain, with 108 mm (4.3 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Shelter Island Heights in September

Daytime temperatures in Shelter Island Heights reach 23°C (73°F) in September, dropping to 15°C (59°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

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 Heights.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Shelter Island Heights's climate page.

Shelter Island Heights Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 108 mm (4.3 in)  

Rainy days 9 days  

What to Wear in Shelter Island Heights 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 Heights in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Shelter Island Heights's climate page.

More climate data for Shelter Island Heights

Temperature Rainfall

See the full Shelter Island Heights climate overview or explore weather in the United States of America.