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 brings a slight decrease in temperature, down from a moderately hot 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). Throughout the month of September, Maryland expects an average low of 48.4°F (9.1°C).Humidity
In September, the average relative humidity is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.97" (50mm) of precipitation.Snowfall
June through September are months without snowfall in Maryland.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:42 pm EDT.
Sunshine
In Maryland, New York, the average sunshine in September is 8.4h.UV index
In Maryland, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Maryland?
What is the average humidity in September in Maryland?
What is the driest month in Maryland?
How much does it rain in Maryland in September?
When it does not snow in Maryland?
Does it snow in Maryland in September?
How many hours of daylight does Maryland have in September?
What time are sunrise and sunset in September in Maryland?
How many hours of sunshine does Maryland have in September?
What is the UV index reading in September in Maryland?
Average temperature in September
Maryland, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Maryland, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Maryland, NY
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Maryland, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Maryland, NY
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Maryland, NY
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Maryland, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Maryland, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Maryland, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Maryland, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in September
Maryland, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Maryland, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in September
Maryland, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Maryland, New York, USA
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