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
In September, the average high-temperature marginally decreases from a moderately hot 76.5°F (24.7°C) in August to an agreeable 70°F (21.1°C). In Fayetteville, the average low-temperature during the month of September is a fresh 52°F (11.1°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Fayetteville, in September, it is raining for 12.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 148.8 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Fayetteville, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:46 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Fayetteville, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Fayetteville?
What is the average humidity in September?
How much does it rain in Fayetteville in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Fayetteville have in September?
What is the UV index intensity in September in Fayetteville?
Average temperature in September
Fayetteville, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Fayetteville, 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
Fayetteville, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in September
Fayetteville, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Fayetteville, NY
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in September
Fayetteville, NY
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Fayetteville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fayetteville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fayetteville, 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 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Fayetteville, NY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Fayetteville, 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 and December (UV index 1).
Average cloud cover in September
Fayetteville, NY
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Fayetteville, 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).
Fayetteville, New York, USA
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