Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September sees a slight reduction in average high-temperature, with a shift from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.8°F (23.8°C). In Maryland Line, September nights cool down to an average of 57.2°F (14°C).Humidity
In Maryland Line, Maryland, the average relative humidity in September is 79%.Rainfall
In Maryland Line, in September, it is raining for 12.8 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 145.5 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Maryland Line is 12h and 26min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Maryland Line, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Maryland Line in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Maryland Line have in September?
What is the UV index reading in September?
Average temperature in September
Maryland Line, MD
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 57.2°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 (23.5°F).
Average pressure in September
Maryland Line, 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
Maryland Line, MD
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Maryland Line, MD
- Average humidity in September: 79%
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
Maryland Line, MD
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in September
Maryland Line, MD
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Maryland Line, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Maryland Line, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Maryland Line, MD
- Average daylight in September: 12h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Maryland Line, MD
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Maryland Line, MD
- Average UV index in September: 4
The months with the highest UV index are 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
Maryland Line, MD
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Maryland Line, 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).
Maryland Line, Maryland, USA
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