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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 75.9°F (24.4°C) in August to a pleasant 69.1°F (20.6°C). September witnesses an average nighttime temperature of 49.1°F (9.5°C) in McDonough.Humidity
The average relative humidity in September is 81%.Rainfall
In McDonough, in September, during 13.2 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in McDonough, New York, there are 157.9 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in McDonough.Daylight
In McDonough, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:28 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:45 pm EDT.
Sunshine
The average sunshine in September in McDonough is 8.3h.UV index
In September, the average daily maximum UV index in McDonough, New York, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for McDonough in September?
What is the average humidity in September in McDonough?
How much does it rain in McDonough in September?
When it does not snow in McDonough?
Does it snow in McDonough in September?
What is the average length of the day in September in McDonough?
When is the sunrise / sunset in September in McDonough?
How many hours of sunshine does McDonough have in September?
What is the UV index reading in September in McDonough?
Average temperature in September
McDonough, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
McDonough, 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
McDonough, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
McDonough, 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, May, June and July (80%).
Average rainfall in September
McDonough, NY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in September
McDonough, NY
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
McDonough, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
McDonough, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McDonough, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
McDonough, NY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
McDonough, 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, February, March, November and December (UV index 1).
Average cloud cover in September
McDonough, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
McDonough, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
McDonough, New York, USA
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