September weather forecastSand Lake, NY
September
Weather in September
September, the first month of the autumn in Sand Lake, is also an agreeable month, with an average temperature varying between 50.9°F (10.5°C) and 71.2°F (21.8°C).Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 78.6°F (25.9°C) to a pleasant 71.2°F (21.8°C). In Sand Lake, September is marked by an average low-temperature of 50.9°F (10.5°C).Humidity
In Sand Lake, the average relative humidity in September is 79%.Rainfall
In Sand Lake, during September, the rain falls for 10.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Sand Lake, New York, during the entire year, the rain falls for 140.6 days and collects up to 24.17" (614mm) of precipitation.Snowfall
June through September are months without snowfall in Sand Lake, New York.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:19 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:36 pm EDT.
Sunshine
In Sand Lake, the average sunshine in September is 8.9h.UV index
In Sand Lake, New York, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
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
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
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
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
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
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
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
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
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
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
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
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
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).





