September weather forecastSilver Bay, NY
September
Weather in September
September, the first month of the autumn in Silver Bay, is still a pleasant month, with an average temperature ranging between max 69.8°F (21°C) and min 50.2°F (10.1°C).Temperature
Silver Bay experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 77°F (25°C) in August to a pleasant 69.8°F (21°C). September nights are marked by an average temperature drop to a fresh 50.2°F (10.1°C).Humidity
In Silver Bay, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.38" (35mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:18 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:36 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Silver Bay, NY
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Silver Bay, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Silver Bay, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Silver Bay, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Silver Bay, NY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in September
Silver Bay, NY
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Silver Bay, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Silver Bay, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silver Bay, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Silver Bay, NY
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Silver Bay, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Silver Bay, NY
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in September
Silver Bay, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
