September weather forecastBrighton, NY
September
Weather in September
September, the first month of the autumn in Brighton, is still a pleasant month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 55°F (12.8°C).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 77.9°F (25.5°C) in August to a pleasant 71.4°F (21.9°C). Brighton's average low-temperature is measured at a cool 55°F (12.8°C) during September.Humidity
The months with the lowest humidity are April, May, July through September, with an average relative humidity of 77%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 161.2 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Brighton is 12h and 29min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:52 pm EDT.
Sunshine
In Brighton, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brighton, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Brighton, 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
Brighton, NY
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Brighton, NY
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, July, August and September (77%).
Average rainfall in September
Brighton, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in September
Brighton, NY
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Brighton, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brighton, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brighton, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Brighton, NY
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Brighton, 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
Brighton, NY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Brighton, NY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
