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 indicates a minor shift in the average high-temperature, from August's 80.6°F (27°C) to a still moderately hot 74.5°F (23.6°C). During the nights in September, Glenmont experiences a consistent average temperature of 54.7°F (12.6°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Glenmont. Rain falls for 14.2 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Glenmont, snow does not fall in May through September.Daylight
In Glenmont, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:11 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Glenmont, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glenmont in September?
What is the average humidity in September in Glenmont?
What is the driest month in Glenmont?
How many days does it rain in September in Glenmont?
When it does not snow in Glenmont?
Does it snow in Glenmont in September?
What is the average length of the day in September in Glenmont?
When is the sunrise / sunset in September in Glenmont?
How many hours of sunshine does Glenmont have in September?
What is the UV index intensity in September in Glenmont?
Average temperature in September
Glenmont, OH
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Glenmont, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Glenmont, OH
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Glenmont, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in September
Glenmont, OH
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Glenmont, OH
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
Glenmont, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Glenmont, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 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, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Glenmont, OH
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in September
Glenmont, OH
- 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, November and December (UV index 2).
Average cloud cover in September
Glenmont, OH
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Glenmont, OH
- Average visibility in September: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Glenmont, Ohio, USA
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