Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September correlates with a minor temperature reduction, down from August's 81.1°F (27.3°C) to a still warm 73.4°F (23°C). Stone Ridge's September nights cool down to an average low-temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.3" (33mm) of precipitation.Snowfall
In Stone Ridge, 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 6:23 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:39 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Stone Ridge, NY
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (82.9°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 (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Stone Ridge, 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
Stone Ridge, NY
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Stone Ridge, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Stone Ridge, NY
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Stone Ridge, NY
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Stone Ridge, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stone Ridge, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stone Ridge, NY
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Stone Ridge, NY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in September
Stone Ridge, NY
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Stone Ridge, NY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Stone Ridge, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Stone Ridge, New York, USA
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