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 signifies a gentle decline in Marlboro Hills's average high-temperature, easing from 82.9°F (28.3°C) in August to a still moderately hot 76.6°F (24.8°C). In Marlboro Hills, the nighttime temperature averages to a refreshing 65.1°F (18.4°C) during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Marlboro Hills, in September, during 12.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Marlboro Hills, during the entire year, the rain falls for 132.3 days and collects up to 15.83" (402mm) of precipitation.Snowfall
In Marlboro Hills, Maryland, snow does not fall in April through October.Daylight
The average length of the day in September in Marlboro Hills is 12h and 26min.On the first day of September in Marlboro Hills, 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
In Marlboro Hills, Maryland, the average sunshine in September is 9.2h.UV index
In Marlboro Hills, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Marlboro Hills in September?
What is the average humidity in September in Marlboro Hills?
How many days does it rain in September in Marlboro Hills?
When it does not snow in Marlboro Hills?
What is the average length of the day in September in Marlboro Hills?
What time are sunrise and sunset in September in Marlboro Hills?
How long on average sun shines in September in Marlboro Hills?
How high is the UV index in September in Marlboro Hills?
Average temperature in September
Marlboro Hills, MD
- Average high temperature in September: 76.6°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 (40.6°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Marlboro Hills, 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
Marlboro Hills, MD
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Marlboro Hills, MD
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Marlboro Hills, MD
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Marlboro Hills, MD
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Marlboro Hills, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Marlboro Hills, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Marlboro Hills, 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 month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Marlboro Hills, MD
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in September
Marlboro Hills, 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
Marlboro Hills, 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
Marlboro Hills, 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).
Marlboro Hills, Maryland, USA
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