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's onset introduces a mild reduction in the average high-temperature, from a warm 76.8°F (24.9°C) in August to a pleasant 71.1°F (21.7°C). Forest Glen records an average nighttime low-temperature of 55°F (12.8°C) throughout September.Humidity
The months with the lowest humidity in Forest Glen are August and September, with an average relative humidity of 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.4 days and typically collects 1.77" (45mm) of precipitation.Snowfall
In Forest Glen, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:40 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:57 pm EDT.
Sunshine
In Forest Glen, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Forest Glen is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Forest Glen?
What is the least humid month in Forest Glen?
What is the average humidity in September in Forest Glen?
What is the driest month in Forest Glen?
How much does it rain in Forest Glen in September?
When it does not snow in Forest Glen?
Does it snow in Forest Glen in September?
What is the average length of the day in September in Forest Glen?
When is the sunrise / sunset in September in Forest Glen?
How long on average sun shines in September in Forest Glen?
What is the UV index reading in September in Forest Glen?
Average temperature in September
Forest Glen, NY
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Forest Glen, 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 (29.93"Hg).
Average wind speed in September
Forest Glen, NY
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Forest Glen, NY
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Forest Glen, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Forest Glen, NY
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Forest Glen, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Forest Glen, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Forest Glen, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Forest Glen, NY
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in September
Forest Glen, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Forest Glen, NY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Forest Glen, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Forest Glen, New York, USA
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