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 transition to September results in a modest reduction in average high-temperature, moving from 82.4°F (28°C) in August to a still warm 76.6°F (24.8°C). Massey's nighttime temperature in September falls to an average of 62.1°F (16.7°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Massey, Maryland, in September, it is raining for 14.3 days, with typically 2.56" (65mm) of accumulated precipitation. In Massey, during the entire year, the rain falls for 169.2 days and collects up to 35.16" (893mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Massey, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Massey in September?
What is the average humidity in September in Massey?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Massey, MD
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Massey, MD
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Massey, MD
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Massey, MD
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Massey, MD
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in September
Massey, MD
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Massey, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Massey, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 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
Massey, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Massey, MD
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Massey, 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
Massey, MD
- Average cloud cover in September: 34
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Massey, 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).
Massey, Maryland, USA
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