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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 82.2°F (27.9°C) in August to a still moderately hot 75.6°F (24.2°C). Brightwood Acres observes an average nighttime temperature of 55.8°F (13.2°C) during September.Humidity
In Brightwood Acres, the average relative humidity in September is 78%.Rainfall
In Brightwood Acres, Maryland, in September, it is raining for 14.2 days, with typically 2.09" (53mm) of accumulated precipitation. In Brightwood Acres, during the entire year, the rain falls for 164.7 days and collects up to 29.17" (741mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of September, in Brightwood Acres, Maryland, sunrise is at 7:06 am and sunset at 6:54 pm EDT.
Sunshine
In September, the average sunshine in Brightwood Acres is 8.8h.UV index
In Brightwood Acres, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the temperature in September in Brightwood Acres?
What is the average humidity in September in Brightwood Acres?
How much does it rain in Brightwood Acres in September?
When it does not snow in Brightwood Acres?
Does it snow in Brightwood Acres in September?
What is the average length of the day in September in Brightwood Acres?
When is the sunrise / sunset in September in Brightwood Acres?
How many hours of sunshine does Brightwood Acres have in September?
What is the UV index intensity in September in Brightwood Acres?
Average temperature in September
Brightwood Acres, MD
- Average high temperature in September: 75.6°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 (36.1°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Brightwood Acres, MD
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Brightwood Acres, MD
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Brightwood Acres, MD
- Average humidity in September: 78%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Brightwood Acres, MD
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in September
Brightwood Acres, MD
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Brightwood Acres, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Brightwood Acres, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brightwood Acres, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Brightwood Acres, MD
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Brightwood Acres, MD
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Brightwood Acres, MD
- Average cloud cover in September: 38
The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Brightwood Acres, MD
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, September and October (5mi).
Brightwood Acres, Maryland, USA
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