September weather forecastGrover Cleveland Terrace, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Grover Cleveland Terrace, New York, with an average temperature ranging between min 56.7°F (13.7°C) and max 72°F (22.2°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a warm 78.4°F (25.8°C) in August to a pleasant 72°F (22.2°C). In the month of September, the average temperature in Grover Cleveland Terrace dips to a refreshing 56.7°F (13.7°C) during the night.Humidity
July through September, with an average relative humidity of 74%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 15 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Grover Cleveland Terrace, snow does not fall in June through September.Daylight
In September, the average length of the day in Grover Cleveland Terrace, New York, is 12h and 29min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:57 pm EDT.
Sunshine
In Grover Cleveland Terrace, the average sunshine in September is 8.8h.UV index
In Grover Cleveland Terrace, New York, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grover Cleveland Terrace, NY
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Grover Cleveland Terrace, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Grover Cleveland Terrace, NY
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Grover Cleveland Terrace, NY
- Average humidity in September: 74%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in September
Grover Cleveland Terrace, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Grover Cleveland Terrace, NY
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Grover Cleveland Terrace, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Grover Cleveland Terrace, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grover Cleveland Terrace, 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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Grover Cleveland Terrace, NY
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
Grover Cleveland Terrace, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Grover Cleveland Terrace, NY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Grover Cleveland Terrace, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
