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's arrival comes with a mild decrease in the average high-temperature, moving subtly from 82.9°F (28.3°C) in August to a still moderately hot 77.4°F (25.2°C). Wye Heights records an average low-temperature of 63.5°F (17.5°C) throughout the month of September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Wye Heights, in September, during 11.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Wye Heights, there are 130 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Wye Heights.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Wye Heights, Maryland, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in Wye Heights?
What is the average humidity in September in Wye Heights?
How many days does it rain in September in Wye Heights?
When it does not snow in Wye Heights?
How many hours of daylight does Wye Heights have in September?
When is the sunrise / sunset in September in Wye Heights?
How long on average sun shines in September in Wye Heights?
What is the UV index reading in September in Wye Heights?
Average temperature in September
Wye Heights, 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 (40.6°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Wye Heights, 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
Wye Heights, MD
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Wye Heights, 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
Wye Heights, MD
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Wye Heights, MD
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Wye Heights, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wye Heights, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3 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
Wye Heights, 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 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 12min).
Average sunshine days in September
Wye Heights, MD
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (13 days).
Average UV index in September
Wye Heights, 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
Wye Heights, 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 28).
Average visibility in September
Wye Heights, 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).
Wye Heights, Maryland, USA
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