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
As Marcy enters September, the average high-temperature subtly lowers from the a warm 75.7°F (24.3°C) of August to an agreeable 69.3°F (20.7°C). Marcy records an average nighttime low-temperature of 50.5°F (10.3°C) throughout September.Humidity
In Marcy, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.6" (66mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Marcy is 12h and 29min.On the first day of September, sunrise is at 6:26 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marcy in September?
What is the average humidity in September in Marcy?
What is the driest month in Marcy?
How many days does it rain in September in Marcy?
When it does not snow in Marcy?
Does it snow in Marcy in September?
How many hours of daylight does Marcy have in September?
When are sunrise and sunset in September in Marcy?
How long on average sun shines in September in Marcy?
How high is the UV index in September in Marcy?
Average temperature in September
Marcy, NY
- Average high temperature in September: 69.3°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 (26.4°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Marcy, 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
Marcy, NY
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Marcy, NY
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Marcy, NY
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (2.6").
Average rainfall days in September
Marcy, NY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Marcy, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Marcy, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marcy, 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
Marcy, NY
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in September
Marcy, 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 and December (UV index 1).
Average cloud cover in September
Marcy, NY
- Average cloud cover in September: 37
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 36).
Average visibility in September
Marcy, 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).
Marcy, New York, USA
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