September weather forecastSouth Lockport, NY
September
Weather in September
September, the first month of the autumn in South Lockport, is still a pleasant month, with an average temperature fluctuating between 58.1°F (14.5°C) and 70.7°F (21.5°C).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 70.7°F (21.5°C) from a moderately hot 76.8°F (24.9°C). Throughout September, an average nighttime temperature of 58.1°F (14.5°C) is experienced in South Lockport.Humidity
August and September, with an average relative humidity of 75%, are the least humid months in South Lockport, New York.Rainfall
The month with the least rainfall in South Lockport is September, when the rain falls for 15.4 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In South Lockport, 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 the month, sunrise is at 6:39 am and sunset at 7:49 pm. On the last day of September, in South Lockport, sunrise is at 7:11 am and sunset at 6:57 pm EDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in South Lockport is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Lockport, NY
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
South Lockport, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
South Lockport, NY
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
South Lockport, NY
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
South Lockport, NY
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
South Lockport, NY
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
South Lockport, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Lockport, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Lockport, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
South Lockport, NY
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is February (6 days).
Average UV index in September
South Lockport, 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 January and December (UV index 1).
Average cloud cover in September
South Lockport, NY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
South Lockport, 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).





