September weather forecastWest Copake, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in West Copake, New York, with an average temperature ranging between min 51.4°F (10.8°C) and max 71.6°F (22°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 79.3°F (26.3°C) in August to an agreeable 71.6°F (22°C). During the month of September, the nighttime temperature falls to an average of 51.4°F (10.8°C).Humidity
The average relative humidity in September is 79%.Rainfall
In West Copake, in September, it is raining for 11.3 days, with typically 1.61" (41mm) of accumulated precipitation. In West Copake, during the entire year, the rain falls for 139.3 days and collects up to 21.06" (535mm) of precipitation.Snowfall
In West Copake, snow does not fall in June through September.Daylight
In West Copake, New York, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:20 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 West Copake, the average sunshine in September is 8.8h.UV index
In West Copake, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
West Copake, NY
- Average high temperature in September: 71.6°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 (29.7°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
West Copake, 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
West Copake, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
West Copake, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
West Copake, NY
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
West Copake, NY
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
West Copake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Copake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Copake, 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: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
West Copake, NY
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
West Copake, NY
- Average UV index in September: 4
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, February, March, October, November and December (UV index 2).
Average cloud cover in September
West Copake, NY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
West Copake, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).





