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 marks a gentle change in average high-temperature, declining from August's warm 82.9°F (28.3°C) to a still moderately hot 76.6°F (24.8°C). An average nighttime temperature of 64°F (17.8°C) is recorded in Grace Creek during September.Humidity
The average relative humidity in September in Grace Creek is 77%.Rainfall
In September, in Grace Creek, the rain falls for 14.4 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Grace Creek, during the entire year, the rain falls for 157.2 days and collects up to 33.27" (845mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of September, in Grace Creek, sunrise is at 7:00 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September in Grace Creek is 9.4h.UV index
In Grace Creek, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Grace Creek in September?
What is the average humidity in September in Grace Creek?
How much does it rain in Grace Creek in September?
When it does not snow in Grace Creek?
What is the average length of the day in September in Grace Creek?
When are sunrise and sunset in September in Grace Creek?
How many hours of sunshine does Grace Creek have in September?
What is the UV index intensity in September in Grace Creek?
Average temperature in September
Grace Creek, MD
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Grace Creek, 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
Grace Creek, MD
- Average wind speed in September: 7.8mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Grace Creek, 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 and November (73%).
Average rainfall in September
Grace Creek, MD
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Grace Creek, MD
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in September
Grace Creek, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Grace Creek, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.2 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
Grace Creek, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Grace Creek, MD
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).
Average UV index in September
Grace Creek, 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
Grace Creek, MD
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Grace Creek, 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).
Grace Creek, Maryland, USA
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