September weather forecastEllicottville, NY
September
Weather in September
September marks the onset of fall in Ellicottville, making it a month of transition. Temperatures start to drop, and the intensity of the sun decreases with a drop in the UV index to 3. The fall foliage begins to show, painting the city in a myriad of colors. September is also the most comfortable month for outdoor activities, with the weather being neither too hot nor too cold.Temperature
September in Ellicottville is characterized by a slight reduction in average high-temperature, easing from a moderately hot 75.6°F (24.2°C) in August to a pleasant 69.4°F (20.8°C). Ellicottville records a steady low-temperature average of 50.9°F (10.5°C) during September.Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.9 days and accumulates 1.57" (40mm) of precipitation.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 September, sunrise is at 6:40 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:57 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
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 radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ellicottville, NY
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Ellicottville, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ellicottville, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Ellicottville, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (80%).
Average rainfall in September
Ellicottville, NY
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Ellicottville, NY
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is October (18.2 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Ellicottville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ellicottville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ellicottville, 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 36min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Ellicottville, NY
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in September
Ellicottville, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Ellicottville, NY
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Ellicottville, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
