Fisher Island Weather in September
September in Fisher Island typically sees daytime highs of 31°C (88°F) and nighttime lows of 25°C (77°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Fisher Island in September
Fisher Island is in the rainy season in September, with rain on around 26 days and an average of 190 mm (7.5 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Fisher Island in September
September in Fisher Island sees highs of 31°C (88°F) and lows of 25°C (77°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Fisher Island in September
The days are predominantly sunny, with an estimated total of around 260 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.
Wind Speed in Fisher Island in September
In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in September
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Fisher Island. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Fisher Island's climate page.
Fisher Island Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
85%
Precipitation
190 mm (7.5 in)
Rainy days
26 days
Humidity
78% *
Windspeed
4 m/s (8 knots) *
Sunshine
260 hours *
Percentage Sunshine
71% *
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 Fisher Island in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Fisher 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 Fisher Island's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Fisher Island climate overview or explore weather in the United States of America.
