September weather forecastCaledonia, NY
September
Weather in September
September, the first month of the autumn in Caledonia, is also an agreeable month, with an average temperature fluctuating between 54°F (12.2°C) and 71.8°F (22.1°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 77.9°F (25.5°C) in August to a pleasant 71.8°F (22.1°C). The average temperature during September nights is registered at a cool 54°F (12.2°C).Humidity
The months with the lowest humidity are April, May, July through September, with an average relative humidity of 77%.Rainfall
In Caledonia, in September, it is raining for 15 days, with typically 1.73" (44mm) of accumulated precipitation. In Caledonia, during the entire year, the rain falls for 168.2 days and collects up to 26.1" (663mm) of precipitation.Snowfall
In Caledonia, snow does not fall in June through September.Daylight
The average length of the day in September in Caledonia, New York, is 12h and 29min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:53 pm EDT.
Sunshine
In September, the average sunshine in Caledonia is 8.8h.UV index
In Caledonia, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caledonia, NY
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Caledonia, NY
- Average pressure in September: 30.05"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
Caledonia, NY
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Caledonia, NY
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May, July, August and September (77%).
Average rainfall in September
Caledonia, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in September
Caledonia, NY
- Average rainfall days in September: 15 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Caledonia, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Caledonia, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Caledonia, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Caledonia, NY
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Caledonia, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Caledonia, NY
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Caledonia, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
