September weather forecast
Brightfield, MD

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Weather in September

September, the first month of the autumn in Brightfield, is still a warm month, with an average temperature fluctuating between 60.6°F (15.9°C) and 77°F (25°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from 83.8°F (28.8°C) in August to a still moderately hot 77°F (25°C). Brightfield records a consistent low-temperature of 60.6°F (15.9°C) during September nights.

Humidity

The average relative humidity in September in Brightfield is 75%.

Rainfall

In September, in Brightfield, Maryland, the rain falls for 13.3 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Brightfield, during the entire year, the rain falls for 159.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Brightfield, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In Brightfield, the average sunshine in September is 9.1h.

UV index

In Brightfield, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the usual temperature for Brightfield in September?

September temperatures in Brightfield vary between a high-temperature of 77°F (25°C) and a low-temperature of 60.6°F (15.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the average humidity in September in Brightfield?

In Brightfield, the average relative humidity in September is 75%.

How much does it rain in Brightfield in September?

In September, in Brightfield, Maryland, the rain falls for 13.3 days. Throughout September, 2.17" (55mm) of precipitation is accumulated.

When it does not snow in Brightfield?

April through October are months without snowfall in Brightfield, Maryland.

What is the average length of the day in September in Brightfield?

In September, the average day length in Brightfield, Maryland, is 12h and 26min.

When are sunrise and sunset in September in Brightfield?

On the first day of September in Brightfield, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Brightfield have in September?

The average sunshine duration in September in Brightfield, Maryland, is 9.1h.

What is the UV index intensity in September in Brightfield?

In Brightfield, Maryland, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Brightfield, MD

Average temperature in September - Brightfield, MD
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in September
Brightfield, MD

Average pressure in September - Brightfield, MD
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Brightfield, MD

Average wind speed in September - Brightfield, MD
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Brightfield, MD

Average humidity in September - Brightfield, MD
  • Average humidity in September: 75%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in September
Brightfield, MD

Average rainfall in September - Brightfield, MD
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in September
Brightfield, MD

Average rainfall days in September - Brightfield, MD
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in September
Brightfield, MD

Average snowfall in September - Brightfield, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Brightfield, MD

Average snowfall days in September - Brightfield, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Brightfield, MD

Average daylight in September / Average sunshine in September - Brightfield, 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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

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Average sunshine days in September
Brightfield, MD

Average sunshine days in September - Brightfield, MD
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

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Average UV index in September
Brightfield, MD

Average UV index in September - Brightfield, 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).

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Average cloud cover in September
Brightfield, MD

Average cloud cover in September - Brightfield, MD
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in September
Brightfield, MD

Average visibility in September - Brightfield, 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).

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Brightfield, Maryland, USA

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