September weather forecastElk Mills, MD
September
Weather in September
The first month of the autumn, September, is still a warm month in Elk Mills, Maryland, with an average temperature varying between 75.2°F (24°C) and 58.1°F (14.5°C).Temperature
September ushers in a minor alteration in Elk Mills's climate, with the average high-temperature moving from August's 81.3°F (27.4°C) to a still moderately hot 75.2°F (24°C). In Elk Mills, September nights witness a steady temperature drop to a refreshing 58.1°F (14.5°C).Humidity
In Elk Mills, the average relative humidity in September is 80%.Rainfall
In Elk Mills, in September, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 130.4 rainfall days, and 16.3" (414mm) of precipitation is accumulated.Snowfall
In Elk Mills, snow does not fall in May through October.Daylight
In Elk Mills, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In Elk Mills, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Elk Mills, MD
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Elk Mills, MD
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Elk Mills, MD
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Elk Mills, MD
- Average humidity in September: 80%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in September
Elk Mills, MD
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Elk Mills, MD
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Elk Mills, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Elk Mills, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Elk Mills, 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 48min).
Average sunshine days in September
Elk Mills, MD
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Elk Mills, 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
Elk Mills, MD
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Elk Mills, MD
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
