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 76.5°F (24.7°C) in August to an agreeable 70.5°F (21.4°C). During September, the temperature in Spencerport, New York, tends to dip to an average of 57.2°F (14°C) at night.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 76%.Rainfall
In Spencerport, during September, the rain falls for 15 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Spencerport, during the entire year, the rain falls for 170.8 days and collects up to 25.75" (654mm) of precipitation.Snowfall
In Spencerport, 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 6:36 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 Spencerport, the average sunshine in September is 9.4h.UV index
In Spencerport, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Spencerport?
What is the least humid month in Spencerport?
What is the average humidity in September in Spencerport?
How much does it rain in Spencerport in September?
When it does not snow in Spencerport?
Does it snow in Spencerport in September?
What is the average length of the day in September in Spencerport?
When is the sunrise / sunset in September in Spencerport?
How many hours of sunshine does Spencerport have in September?
What is the UV index reading in September in Spencerport?
Average temperature in September
Spencerport, NY
- Average high temperature in September: 70.5°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 (29.7°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Spencerport, 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
Spencerport, NY
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Spencerport, NY
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in September
Spencerport, NY
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in September
Spencerport, NY
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is October (17.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Spencerport, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spencerport, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spencerport, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Spencerport, 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 January (5.8 days).
Average UV index in September
Spencerport, 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
Spencerport, NY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Spencerport, 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).
Spencerport, New York, USA
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