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 average high-temperature in September, at a still moderately hot 77.4°F (25.2°C), reveals a modest deviation from August's 82.6°F (28.1°C). Prospect Bay's nights in September cool down to an average low-temperature of 63.5°F (17.5°C).Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall in Prospect Bay.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of September, in Prospect Bay, sunrise is at 7:00 am and sunset at 6:48 pm EDT.
Sunshine
In Prospect Bay, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average September temperature in Prospect Bay?
What is the average humidity in September in Prospect Bay?
What is the driest month in Prospect Bay?
How much does it rain in Prospect Bay in September?
When it does not snow in Prospect Bay?
What is the average length of the day in September in Prospect Bay?
When is the sunrise / sunset in September in Prospect Bay?
How long on average sun shines in September in Prospect Bay?
How high is the UV index in September in Prospect Bay?
Average temperature in September
Prospect Bay, MD
- Average high temperature in September: 77.4°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 (40.1°F).
- Average low temperature in September: 63.5°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 (29.5°F).
Average pressure in September
Prospect Bay, 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
Prospect Bay, MD
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Prospect Bay, MD
- Average humidity in September: 77%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in September
Prospect Bay, MD
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Prospect Bay, MD
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Prospect Bay, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Prospect Bay, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Prospect Bay, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Prospect Bay, MD
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Prospect Bay, 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
Prospect Bay, MD
- Average cloud cover in September: 34
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Prospect Bay, 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).
Prospect Bay, Maryland, USA
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