September weather forecastSparrow Bush, NY
September
Weather in September
September, the first month of the autumn in Sparrow Bush, is also an agreeable month, with an average temperature fluctuating between 52.7°F (11.5°C) and 73°F (22.8°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 80.1°F (26.7°C) in August to an agreeable 73°F (22.8°C). September's average low-temperature reading settles at a cool 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Sparrow Bush, during September, the rain falls for 11.5 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 150.5 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
In Sparrow Bush, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in September is 8.7h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sparrow Bush, NY
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Sparrow Bush, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Sparrow Bush, NY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Sparrow Bush, NY
- Average humidity in September: 79%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Sparrow Bush, NY
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Sparrow Bush, NY
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in September
Sparrow Bush, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sparrow Bush, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sparrow Bush, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Sparrow Bush, NY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in September
Sparrow Bush, NY
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Sparrow Bush, NY
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Sparrow Bush, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
