September weather forecastThe Cape, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in The Cape, New York, with an average temperature fluctuating between 71.6°F (22°C) and 51.1°F (10.6°C).Temperature
The Cape's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 79°F (26.1°C) to a pleasant 71.6°F (22°C). In The Cape, an average nighttime temperature of 51.1°F (10.6°C) is expected during September.Humidity
In The Cape, New York, the average relative humidity in September is 80%.Rainfall
In The Cape, during September, the rain falls for 11.1 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 138.8 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
In The Cape, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
The Cape, NY
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
The Cape, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
The Cape, NY
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
The Cape, NY
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in September
The Cape, NY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (2.32").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in September
The Cape, NY
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (6.1 days).
Average snowfall in September
The Cape, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
The Cape, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
The Cape, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
The Cape, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
The Cape, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
The Cape, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
The Cape, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
