Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 75.6°F (24.2°C) to a pleasant 69.1°F (20.6°C). During September, Three Mile Bay sees a mean low-temperature of 54.1°F (12.3°C).Humidity
The months with the lowest humidity are April and September, with an average relative humidity of 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.7 days and typically collects 0.94" (24mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:28 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm EDT.
Sunshine
In Three Mile Bay, New York, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Three Mile Bay in September?
What are the least humid months?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Three Mile Bay have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Three Mile Bay have in September?
How high is the UV index in September?
Average temperature in September
Three Mile Bay, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Three Mile Bay, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Three Mile Bay, NY
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Three Mile Bay, NY
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in September
Three Mile Bay, NY
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Three Mile Bay, NY
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Three Mile Bay, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Three Mile Bay, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Three Mile Bay, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Three Mile Bay, NY
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is January (11.1 days).
Average UV index in September
Three Mile Bay, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Three Mile Bay, NY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Three Mile Bay, NY
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Three Mile Bay, New York, USA
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