September weather forecastFenwood Heights, MD
September
Weather in September
The first month of the autumn, September, is still a warm month in Fenwood Heights, Maryland, with an average temperature fluctuating between 58.8°F (14.9°C) and 75.9°F (24.4°C).Temperature
The average high-temperature shows a slight dip in September, from August's warm 82.4°F (28°C) to a still moderately hot 75.9°F (24.4°C). During the month of September, the nighttime temperature in Fenwood Heights falls to an average of 58.8°F (14.9°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Fenwood Heights, in September, during 13.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 158.9 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
In Fenwood Heights, snow does not fall in May through September.Daylight
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 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fenwood Heights, MD
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Fenwood 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 (29.94"Hg).
Average wind speed in September
Fenwood Heights, MD
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Fenwood Heights, MD
- Average humidity in September: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in September
Fenwood Heights, MD
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in September
Fenwood Heights, MD
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Fenwood Heights, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fenwood Heights, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fenwood 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Fenwood Heights, MD
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Fenwood 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
Fenwood Heights, MD
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Fenwood Heights, MD
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
