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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.6°F (22°C). In the month of September, the average low-temperature usually rests at a fresh 53.6°F (12°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 1.34" (34mm) of precipitation.Snowfall
In Elma, snow does not fall in June through September.Daylight
In September, the average length of the day in Elma, New York, is 12h and 29min.On the first day of September, sunrise is at 6:40 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:57 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Elma, the average daily maximum UV index in September is 3. 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: In September, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Elma?
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 Elma have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Elma have in September?
What is the UV index intensity in September?
Average temperature in September
Elma, NY
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Elma, 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
Elma, 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 (6.4mph).
Average humidity in September
Elma, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in September
Elma, NY
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Elma, NY
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Elma, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Elma, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Elma, 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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Elma, NY
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in September
Elma, NY
- Average UV index in September: 3
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
Elma, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Elma, 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).
Elma, New York, USA
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