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 onset of September brings a small shift in high-temperatures, falling from a moderately hot 75.9°F (24.4°C) in August to an agreeable 68.9°F (20.5°C). Throughout the month of September, Smyrna observes an average nighttime temperature of 49.6°F (9.8°C).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Smyrna. Rain falls for 13.7 days and accumulates 2.28" (58mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Smyrna, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:36 pm. On the last day of September, in Smyrna, sunrise is at 6:59 am and sunset at 6:44 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Smyrna is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are the temperatures in Smyrna in September?
What is the average humidity in September in Smyrna?
What is the driest month in Smyrna?
How many days does it rain in September in Smyrna?
When it does not snow in Smyrna?
Does it snow in Smyrna in September?
What is the average length of the day in September in Smyrna?
When are sunrise and sunset in September in Smyrna?
How long on average sun shines in September in Smyrna?
How high is the UV index in September in Smyrna?
Average temperature in September
Smyrna, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Smyrna, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Smyrna, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Smyrna, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Smyrna, NY
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Smyrna, NY
- Average rainfall days in September: 13.7 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Smyrna, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smyrna, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smyrna, 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 4min
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 30min).
Average sunshine days in September
Smyrna, NY
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in September
Smyrna, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Smyrna, NY
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Smyrna, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Smyrna, New York, USA
Weather forecast for your location
2. Allow the app to use your location
