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 sea temperature 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
In Shady Side, entering September brings a subtle temperature decrement, reducing from August's moderately hot 82.9°F (28.3°C) to a still warm 76.8°F (24.9°C). An average low-temperature of 64.9°F (18.3°C) is anticipated throughout the nights during September.Humidity
In Shady Side, Maryland, the average relative humidity in September is 75%.Rainfall
In Shady Side, Maryland, in September, during 10.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Shady Side, during the entire year, the rain falls for 127.2 days and collects up to 11.85" (301mm) of precipitation.Snowfall
In Shady Side, Maryland, snow does not fall in April through October.Ocean temperature
In September, the average ocean temperature is 74.1°F (23.4°C).Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 74.1°F (23.4°C) waters. (Olympic swimmers participate in waters ranging from 77°F (25°C) to 82.4°F (28°C).)
Daylight
In September, the average length of the day in Shady Side is 12h and 26min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:49 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Shady Side?
How much does it rain in September?
When it does not snow?
How warm is the water in September in Shady Side?
How many hours of daylight does Shady Side have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Shady Side have in September?
What is the UV index reading in September in Shady Side?
Average temperature in September
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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 sea temperature in September
Shady Side, MD
- Average sea temperature in September: 74.2°F
The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).
Average daylight in September /
Average sunshine in September
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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
Shady Side, 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).
Shady Side, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location