September weather forecastGroveland, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Groveland, New York, with an average temperature fluctuating between 70.2°F (21.2°C) and 50.7°F (10.4°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a warm 76.6°F (24.8°C) in August to a pleasant 70.2°F (21.2°C). Groveland's temperature tends to fall to an average low of 50.7°F (10.4°C) during the nights of September.Humidity
The average relative humidity in September is 80%.Rainfall
In Groveland, New York, during September, the rain falls for 12.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 15.75" (400mm) of precipitation is accumulated.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 6:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Groveland, NY
- Average high temperature in September: 70.2°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: 50.7°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Groveland, 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
Groveland, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Groveland, NY
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Groveland, NY
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Groveland, NY
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Groveland, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Groveland, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Groveland, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Groveland, NY
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Groveland, 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
Groveland, NY
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Groveland, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and June (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October, November and December (5mi).





