September weather forecastWest Sand Lake, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in West Sand Lake, New York, with an average temperature varying between 71.2°F (21.8°C) and 50.9°F (10.5°C).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 78.6°F (25.9°C) in August to a pleasant 71.2°F (21.8°C). September witnesses an average nighttime temperature of 50.9°F (10.5°C).Humidity
In West Sand Lake, the average relative humidity in September is 79%.Rainfall
In West Sand Lake, in September, during 10.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 140.6 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
In West Sand Lake, snow does not fall in June through September.Daylight
The average length of the day in September in West Sand Lake is 12h and 29min.On the first day of September, sunrise is at 6:20 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 3. 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 average daily UV index of 3 in September transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
West Sand Lake, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
West Sand Lake, 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
West Sand Lake, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
West Sand Lake, 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 (74%).
Average rainfall in September
West Sand Lake, NY
- Average rainfall in September: 1.69"
The wettest months (with the highest rainfall) are May and October (2.52").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in September
West Sand Lake, NY
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
West Sand Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Sand Lake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.2 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 Sand Lake, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
West Sand Lake, NY
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
West Sand Lake, NY
- Average UV index in September: 3
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 Sand Lake, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
West Sand Lake, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).





