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
As Academy Junction, Maryland, enters September, the average high-temperature subtly lowers from the 84°F (28.9°C) of August to a still warm 77.5°F (25.3°C). In Academy Junction, the September nights cool down to an average low of 61.7°F (16.5°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Academy Junction, in September, during 13.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Academy Junction, during the entire year, the rain falls for 158.5 days and collects up to 30.12" (765mm) of precipitation.Snowfall
In Academy Junction, snow does not fall in April through October.Daylight
In Academy Junction, Maryland, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
In Academy Junction, the average sunshine in September is 9.3h.UV index
In Academy Junction, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and 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 in Academy Junction?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Academy Junction have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Academy Junction, MD
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Academy Junction, MD
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Academy Junction, MD
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Academy Junction, MD
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Academy Junction, MD
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Academy Junction, MD
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Academy Junction, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Academy Junction, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Academy Junction, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
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
Academy Junction, MD
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are May and July (10.9 days).
Average UV index in September
Academy Junction, 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, February, November and December (UV index 2).
Average cloud cover in September
Academy Junction, MD
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Academy Junction, 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).
Academy Junction, Maryland, USA
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