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
The advent of September brings a slight shift in average high-temperature, moving from 82.8°F (28.2°C) in August to a still warm 76.3°F (24.6°C). Marble Hill, during the nights of September, experiences an average temperature drop to a mild 60.1°F (15.6°C).Humidity
In September, the average relative humidity is 77%.Rainfall
September is the month with the least rainfall in Marble Hill, Maryland. Rain falls for 7.5 days and accumulates 0.43" (11mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Marble Hill is 12h and 26min.On the first day of September in Marble Hill, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
In Marble Hill, the average sunshine in September is 9h.UV index
In Marble Hill, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Marble Hill in September?
What is the average humidity in September in Marble Hill?
What is the driest month in Marble Hill?
How many days does it rain in September in Marble Hill?
When it does not snow in Marble Hill?
How many hours of daylight does Marble Hill have in September?
When is the sunrise / sunset in September in Marble Hill?
How many hours of sunshine does Marble Hill have in September?
How high is the UV index in September in Marble Hill?
Average temperature in September
Marble Hill, MD
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Marble Hill, 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 (29.94"Hg).
Average wind speed in September
Marble Hill, MD
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Marble Hill, MD
- Average humidity in September: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Marble Hill, MD
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Marble Hill, MD
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Marble Hill, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Marble Hill, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Marble Hill, MD
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Marble Hill, MD
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Marble Hill, 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, November and December (UV index 2).
Average cloud cover in September
Marble Hill, MD
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Marble Hill, 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).
Marble Hill, Maryland, USA
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