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
The average high-temperature shows a slight dip in September, from August's moderately hot 76.8°F (24.9°C) to an agreeable 70.7°F (21.5°C). Port Byron records an average low of 52.5°F (11.4°C) throughout the nights in September.Humidity
In Port Byron, the average relative humidity in September is 80%.Rainfall
January and September are months with the least rain when the rain falls for 13.5 days and typically aggregates up to 1.93" (49mm) of rain.Snowfall
In Port Byron, snow does not fall in June through September.Daylight
The average length of the day in September in Port Byron is 12h and 29min.On the first day of September, sunrise is at 6:31 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Port Byron, New York, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are September temperatures in Port Byron?
What is the average humidity in September in Port Byron?
What is the driest month in Port Byron?
How many days does it rain in September in Port Byron?
When it does not snow in Port Byron?
Does it snow in Port Byron in September?
What is the average length of the day in September in Port Byron?
When is the sunrise / sunset in September in Port Byron?
How many hours of sunshine does Port Byron have in September?
What is the UV index intensity in September in Port Byron?
Average temperature in September
Port Byron, NY
- Average high temperature in September: 70.7°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 (28.6°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Port Byron, 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
Port Byron, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Port Byron, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Port Byron, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is October (3.27").
The driest months (with the least rainfall) are January and September (1.93").
Average rainfall days in September
Port Byron, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Port Byron, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Port Byron, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port Byron, 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 6min).
- Average sunshine in September: 8h and 5min
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
Port Byron, NY
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Port Byron, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Port Byron, NY
- Average cloud cover in September: 36
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 33).
Average visibility in September
Port Byron, 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).
Port Byron, New York, USA
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