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 ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 79°F (26.1°C) to an agreeable 71.6°F (22°C). Greenfield Park records a consistent low-temperature of 51.1°F (10.6°C) during September nights.Humidity
In Greenfield Park, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. In Greenfield Park, during the entire year, the rain falls for 138.8 days and collects up to 20.12" (511mm) of precipitation.Snowfall
In Greenfield Park, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Greenfield Park in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Greenfield Park have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Greenfield Park have in September?
How high is the UV index in September?
Average temperature in September
Greenfield Park, NY
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 51.1°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 (17.4°F).
Average pressure in September
Greenfield Park, 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
Greenfield Park, NY
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Greenfield Park, NY
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in September
Greenfield Park, NY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (2.32").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in September
Greenfield Park, NY
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (6.1 days).
Average snowfall in September
Greenfield Park, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenfield Park, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenfield Park, 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 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Greenfield Park, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Greenfield Park, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Greenfield Park, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Greenfield Park, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Greenfield Park, New York, USA
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