Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the onset of September, Dansville's average high-temperature slightly adjusts, moderately receding from August's warm 76.6°F (24.8°C) to a pleasant 70.2°F (21.2°C). Dansville, during September nights, observes an average temperature of 50.7°F (10.4°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Dansville, during September, the rain falls for 12.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
In Dansville, New York, 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 September in Dansville, sunrise is at 6:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Dansville is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dansville in September?
What is the average humidity in September in Dansville?
How many days does it rain in September in Dansville?
When it does not snow in Dansville?
Does it snow in Dansville in September?
What is the average length of the day in September in Dansville?
When is the sunrise / sunset in September in Dansville?
How long on average sun shines in September in Dansville?
What is the UV index intensity in September in Dansville?
Average temperature in September
Dansville, NY
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Dansville, NY
- Average pressure in September: 30.06"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
Dansville, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Dansville, NY
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Dansville, NY
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Dansville, NY
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Dansville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dansville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dansville, NY
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Dansville, NY
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Dansville, 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 and December (UV index 1).
Average cloud cover in September
Dansville, NY
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Dansville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and June (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October, November and December (5mi).
Dansville, New York, USA
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