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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 75.9°F (24.4°C) in August to an agreeable 70°F (21.1°C). During September, the temperature tends to dip to an average of 53.6°F (12°C) at night.Humidity
In Brewerton, New York, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.24" (57mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Brewerton, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Brewerton have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Brewerton have in September?
What is the UV index intensity in September?
Average temperature in September
Brewerton, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Brewerton, 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
Brewerton, NY
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Brewerton, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Brewerton, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Brewerton, NY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in September
Brewerton, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Brewerton, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brewerton, 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 0min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Brewerton, NY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in September
Brewerton, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Brewerton, NY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Brewerton, 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).
Brewerton, New York, USA
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