September weather forecastWesternport, MD
September
Weather in September
The first month of the autumn, September, is still a warm month in Westernport, Maryland, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 52.3°F (11.3°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from 80.4°F (26.9°C) in August to a still moderately hot 73.4°F (23°C). September sees the temperature falling to a mean low of 52.3°F (11.3°C).Humidity
In September, the average relative humidity in Westernport is 79%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 184.1 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
In Westernport, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:46 pm. On the last day of September, in Westernport, sunrise is at 7:12 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Westernport, MD
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Westernport, 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
Westernport, MD
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Westernport, MD
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June and July (76%).
Average rainfall in September
Westernport, MD
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in September
Westernport, MD
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in September
Westernport, MD
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Westernport, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Westernport, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Westernport, MD
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Westernport, MD
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Westernport, MD
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Westernport, MD
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
