September weather forecastGainesville, NY
September
Weather in September
September, the first month of the autumn in Gainesville, is also an agreeable month, with an average temperature fluctuating between 70.9°F (21.6°C) and 51.6°F (10.9°C).Temperature
In the transition to September, Gainesville observes a minor drop in the average high-temperature, shifting from a warm 76.8°F (24.9°C) in August to a pleasant 70.9°F (21.6°C). Throughout September, the nighttime temperature averages to a fresh 51.6°F (10.9°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 15 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Gainesville, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm EDT.
Sunshine
In Gainesville, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index 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 ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gainesville, NY
- Average high temperature in September: 70.9°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 (28.2°F).
- Average low temperature in September: 51.6°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 (17.1°F).
Average pressure in September
Gainesville, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Gainesville, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Gainesville, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Gainesville, NY
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Gainesville, NY
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Gainesville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gainesville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gainesville, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
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
Gainesville, NY
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in September
Gainesville, 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 January and December (UV index 1).
Average cloud cover in September
Gainesville, NY
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gainesville, NY
- Average visibility in September: 5mi
The months with the highest visibility are June and August (6mi).
The months with the lowest visibility are January and February (4mi).
