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
Patuxent Palisades's weather subtly changes with the onset of September, barely falling from 82.9°F (28.3°C) in August to a still moderately hot 76.8°F (24.9°C). The nighttime temperature in Patuxent Palisades, during September, averages of 64.9°F (18.3°C).Humidity
In Patuxent Palisades, the average relative humidity in September is 75%.Rainfall
In Patuxent Palisades, in September, it is raining for 10.9 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 127.2 rainfall days, and 11.85" (301mm) of precipitation is accumulated.Snowfall
In Patuxent Palisades, snow does not fall in April through October.Daylight
In Patuxent Palisades, the average length of the day in September is 12h and 26min.On the first day of September in Patuxent Palisades, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Patuxent Palisades is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Patuxent Palisades in September?
What is the average humidity in September in Patuxent Palisades?
How many days does it rain in September in Patuxent Palisades?
When it does not snow in Patuxent Palisades?
How many hours of daylight does Patuxent Palisades have in September?
When is the sunrise / sunset in September in Patuxent Palisades?
How many hours of sunshine does Patuxent Palisades have in September?
How high is the UV index in September in Patuxent Palisades?
Average temperature in September
Patuxent Palisades, MD
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Patuxent Palisades, 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
Patuxent Palisades, MD
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Patuxent Palisades, MD
- Average humidity in September: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Patuxent Palisades, MD
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Patuxent Palisades, MD
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in September
Patuxent Palisades, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Patuxent Palisades, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Patuxent Palisades, 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 1min
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
Patuxent Palisades, MD
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is August (12.5 days).
Average UV index in September
Patuxent Palisades, 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, February and December (UV index 2).
Average cloud cover in September
Patuxent Palisades, MD
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Patuxent Palisades, 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).
Patuxent Palisades, Maryland, USA
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