September weather forecastSlingerlands, NY
September
Weather in September
September, the first month of the autumn in Slingerlands, is also an agreeable month, with an average temperature varying between 71.4°F (21.9°C) and 51.3°F (10.7°C).Temperature
With the onset of September, Slingerlands's average high-temperature slightly adjusts, moderately receding from August's moderately hot 79.2°F (26.2°C) to a pleasant 71.4°F (21.9°C). Throughout the month of September, Slingerlands witnesses an average temperature of 51.3°F (10.7°C).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Slingerlands, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In Slingerlands, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slingerlands, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Slingerlands, 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 (29.92"Hg).
Average wind speed in September
Slingerlands, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Slingerlands, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Slingerlands, NY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Slingerlands, NY
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Slingerlands, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Slingerlands, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Slingerlands, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Slingerlands, NY
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in September
Slingerlands, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Slingerlands, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Slingerlands, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).
