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
A moderate decline in average high-temperatures is noted in September, moving from a warm 78.4°F (25.8°C) in August to a pleasant 70.9°F (21.6°C). During September, Glens Falls observes a consistent average nighttime temperature of 50.4°F (10.2°C).Humidity
The average relative humidity in September is 78%.Rainfall
The months with the least rainfall are March and September Rain falls for 8.1 days and accumulates 0.59" (15mm) of rain.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:19 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:36 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Glens Falls have in September?
When is the sunrise / sunset in September in Glens Falls?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Glens Falls, NY
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Glens Falls, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Glens Falls, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Glens Falls, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Glens Falls, NY
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are March and September (0.59").
Average rainfall days in September
Glens Falls, NY
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Glens Falls, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glens Falls, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glens Falls, 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 0min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Glens Falls, NY
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is January (22.2 days).
The months with the least sunshine days are June and July (17.3 days).
Average UV index in September
Glens Falls, NY
- Average UV index in September: 4
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 and December (UV index 1).
Average cloud cover in September
Glens Falls, NY
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in September
Glens Falls, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September and October (5mi).
Glens Falls, New York, USA
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