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 sea temperature 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 onset of September brings a small shift in high-temperatures, falling from a warm 76.8°F (24.9°C) in August to an agreeable 71.1°F (21.7°C). During the month of September, West Seneca experiences a steady low-temperature average of 55°F (12.8°C).Humidity
August and September, with an average relative humidity of 77%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 15.4 days and typically collects 1.77" (45mm) of precipitation.Snowfall
In West Seneca, New York, snow does not fall in June through September.Ocean temperature
In West Seneca, the average seawater temperature in September is 69.4°F (20.8°C).Note: Most people find swimming in 69.4°F (20.8°C) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 69.8°F (21°C).
Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:40 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:57 pm EDT.
Sunshine
In West Seneca, the average sunshine in September is 9h.UV index
In West Seneca, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What are the least humid months?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the ocean temperature in September?
How many hours of daylight does West Seneca have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
West Seneca, NY
- Average high temperature in September: 71.1°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 (28.9°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
West Seneca, 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 (29.93"Hg).
Average wind speed in September
West Seneca, NY
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
West Seneca, NY
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
West Seneca, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
West Seneca, NY
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
West Seneca, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Seneca, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
West Seneca, NY
- Average sea temperature in September: 69.4°F
The best month for swimming (with the highest average sea temperature) is August (74.2°F).
The coldest month (with the lowest average sea temperature) is February (34.9°F).
Average daylight in September /
Average sunshine in September
West Seneca, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
West Seneca, NY
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in September
West Seneca, 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, February and December (UV index 1).
Average cloud cover in September
West Seneca, NY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
West Seneca, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
West Seneca, New York, USA
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