September weather forecastPowellville, MD
September
Weather in September
September, the first month of the autumn in Powellville, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 64°F (17.8°C).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 82.9°F (28.3°C) to a still moderately hot 77.2°F (25.1°C). An average nighttime temperature of 64°F (17.8°C) is noted during the month of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Powellville, during September, the rain falls for 13.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 152.1 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
In Powellville, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:45 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Powellville, MD
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Powellville, MD
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Powellville, MD
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Powellville, MD
- Average humidity in September: 79%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall in September
Powellville, MD
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Powellville, MD
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Powellville, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Powellville, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Powellville, MD
- Average daylight in September: 12h and 24min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Powellville, MD
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Powellville, 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
Powellville, 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 28).
Average visibility in September
Powellville, 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).
