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
Betterton, Maryland, in September experiences a gentle temperature dip, with average high-temperatures reducing from 82.8°F (28.2°C) in August to a still warm 76.5°F (24.7°C). In the month of September, an average of 60.1°F (15.6°C) marks the low-temperature.Humidity
In September, the average relative humidity is 78%.Rainfall
In Betterton, during September, the rain falls for 13.1 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 153.2 rainfall days, and 30.51" (775mm) of precipitation is accumulated.Snowfall
In Betterton, snow does not fall in April, June through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Betterton, Maryland, sunrise is at 6:33 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine in Betterton, Maryland, is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.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. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are September temperatures in Betterton?
What is the average humidity in September in Betterton?
How much does it rain in Betterton in September?
When it does not snow in Betterton?
How many hours of daylight does Betterton have in September?
When is the sunrise / sunset in September in Betterton?
How long on average sun shines in September in Betterton?
What is the UV index reading in September in Betterton?
Average temperature in September
Betterton, MD
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Betterton, MD
- Average pressure in September: 30.06"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
Betterton, MD
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Betterton, MD
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall in September
Betterton, MD
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in September
Betterton, MD
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Betterton, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Betterton, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Betterton, 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 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Betterton, MD
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in September
Betterton, 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
Betterton, MD
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Betterton, MD
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Betterton, Maryland, USA
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