September weather forecastStanfordville, NY
September
Weather in September
September, the first month of the autumn in Stanfordville, is still a warm month, with an average temperature varying between 73.4°F (23°C) and 52.5°F (11.4°C).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a still moderately hot 73.4°F (23°C) from 81.1°F (27.3°C). In September, Stanfordville reports a consistent average low-temperature of 52.5°F (11.4°C) during the nights.Humidity
The average relative humidity in September in Stanfordville is 78%.Rainfall
In September, in Stanfordville, the rain falls for 11.6 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Stanfordville, there are 147.8 rainfall days, and 26.77" (680mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stanfordville, NY
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52.5°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 (18.9°F).
Average pressure in September
Stanfordville, NY
- Average pressure in September: 30.06"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
Stanfordville, NY
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Stanfordville, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Stanfordville, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in September
Stanfordville, NY
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Stanfordville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stanfordville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stanfordville, 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: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Stanfordville, NY
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Stanfordville, 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
Stanfordville, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Stanfordville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
