September weather forecastEmmitsburg, MD
September
Weather in September
September witnesses an unmistakable change in Emmitsburg's weather with the arrival of fall. Average temperatures recede, falling to more comfortable highs of 74.8°F (23.8°C). The days become notably shorter, however, there is still plenty of sunshine to be enjoyed. With the lowest rainfall of the year at 0.55" (14mm), the landscape retains its lushness without the muggy discomfort of summer. The day-to-night temperature swing amplifies, signaling the end of summer heat and the incoming cooler October days.Temperature
September is characterized by a mild reduction in the average high-temperature, from a moderately hot 81.7°F (27.6°C) in August to a still warm 74.8°F (23.8°C). September's average low-temperature reading settles at a moderate 55.9°F (13.3°C).Humidity
In Emmitsburg, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 0.55" (14mm) of precipitation.Snowfall
In Emmitsburg, snow does not fall in May through October.Daylight
In Emmitsburg, Maryland, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:52 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Emmitsburg, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Emmitsburg, MD
- Average high temperature in September: 74.8°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 (35.4°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
Emmitsburg, 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
Emmitsburg, MD
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Emmitsburg, MD
- Average humidity in September: 79%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Emmitsburg, MD
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Emmitsburg, MD
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Emmitsburg, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Emmitsburg, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.7 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
Emmitsburg, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Emmitsburg, MD
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in September
Emmitsburg, 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
Emmitsburg, MD
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Emmitsburg, MD
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
