September weather forecastLangford, MD
September
Weather in September
September, the first month of the autumn in Langford, is still a warm month, with temperature in the range of an average high of 77°F (25°C) and an average low of 61.7°F (16.5°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 82.9°F (28.3°C) to a still warm 77°F (25°C). Langford throughout September, experiences an average nighttime temperature of 61.7°F (16.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Langford, in September, during 9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Langford, during the entire year, the rain falls for 108 days and collects up to 10.91" (277mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Langford, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:34 pm. On the last day of September, in Langford, sunrise is at 7:00 am and sunset at 6:48 pm EDT.
Sunshine
In Langford, the average sunshine in September 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 health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Langford, MD
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Langford, MD
- Average pressure in September: 30.05"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
Langford, MD
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Langford, MD
- Average humidity in September: 77%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in September
Langford, MD
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Langford, MD
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in September
Langford, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Langford, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 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
Langford, 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 30min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Langford, MD
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in September
Langford, 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
Langford, MD
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Langford, 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).
