September weather forecastBraddock Heights, MD
September
Weather in September
September, the first month of the autumn in Braddock Heights, is also a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 76.5°F (24.7°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 83.3°F (28.5°C) to a still warm 76.5°F (24.7°C). In Braddock Heights, an average low-temperature of 56.8°F (13.8°C) is recorded during September nights.Humidity
In Braddock Heights, the average relative humidity in September is 78%.Rainfall
In Braddock Heights, during September, the rain falls for 13.2 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Braddock Heights, Maryland, during the entire year, the rain falls for 156 days and collects up to 30.87" (784mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Braddock Heights is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Braddock Heights, MD
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Braddock Heights, MD
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Braddock Heights, MD
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Braddock Heights, MD
- Average humidity in September: 78%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Braddock Heights, MD
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in September
Braddock Heights, MD
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Braddock Heights, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Braddock Heights, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Braddock Heights, MD
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in September
Braddock Heights, MD
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Braddock Heights, MD
- Average UV index in September: 4
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
Braddock Heights, MD
- Average cloud cover in September: 39
The months with the most cloud cover are January, February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Braddock Heights, MD
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
