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
The advent of September brings a slight shift in average high-temperature, moving from 82.9°F (28.3°C) in August to a still moderately hot 76.6°F (24.8°C). In September, Poplars records an average nighttime temperature of 65.1°F (18.4°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
In Poplars, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:50 pm EDT.
Sunshine
In Poplars, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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 September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Poplars have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Poplars have in September?
How high is the UV index in September?
Average temperature in September
Poplars, MD
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Poplars, MD
- Average pressure in September: 30.05"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
Poplars, MD
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Poplars, MD
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Poplars, MD
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Poplars, MD
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Poplars, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Poplars, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Poplars, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Poplars, MD
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in September
Poplars, MD
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Poplars, MD
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Poplars, MD
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Poplars, Maryland, USA
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