September weather forecastHarpursville, NY
September
Weather in September
September, the first month of the autumn in Harpursville, is also an agreeable month, with an average temperature fluctuating between 69.1°F (20.6°C) and 49.3°F (9.6°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 76.1°F (24.5°C) in August to an agreeable 69.1°F (20.6°C). During the month of September, Harpursville's nighttime temperature lowers to an average of 49.3°F (9.6°C).Humidity
The average relative humidity in September in Harpursville is 81%.Rainfall
The month with the least rainfall in Harpursville, New York, is September, when the rain falls for 10.8 days and typically collects 1.1" (28mm) of precipitation.Snowfall
In Harpursville, snow does not fall in June through September.Daylight
In Harpursville, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:35 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:45 pm EDT.
Sunshine
In Harpursville, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harpursville, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Harpursville, 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
Harpursville, NY
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Harpursville, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Harpursville, NY
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in September
Harpursville, NY
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Harpursville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Harpursville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harpursville, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Harpursville, NY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Harpursville, NY
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Harpursville, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Harpursville, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
