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 subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 79.2°F (26.2°C) to a pleasant 71.2°F (21.8°C). An average temperature of 50.5°F (10.3°C) marks the nights in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Glenmont, in September, it is raining for 11.6 days, with typically 2.2" (56mm) of accumulated precipitation. In Glenmont, during the entire year, the rain falls for 151.6 days and collects up to 28.78" (731mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
In Glenmont, the average sunshine in September is 8.9h.UV index
In Glenmont, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Glenmont have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Glenmont have in September?
What is the UV index reading in September in Glenmont?
Average temperature in September
Glenmont, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Glenmont, NY
- Average pressure in September: 30.06"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
Glenmont, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Glenmont, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Glenmont, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Glenmont, NY
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Glenmont, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glenmont, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glenmont, 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 months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Glenmont, NY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Glenmont, 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 and December (UV index 1).
Average cloud cover in September
Glenmont, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Glenmont, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
Glenmont, New York, USA
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