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 77°F (25°C) and 60.6°F (15.9°C).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from 83.8°F (28.8°C) in August to a still warm 77°F (25°C). Brightfield encounters a steady low-temperature average of 60.6°F (15.9°C) throughout the month of September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Brightfield, in September, during 13.3 rainfall days, 2.17" (55mm) of precipitation is typically 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 September, 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.

Sunshine

In September, the average sunshine is 9.1h.

UV index

In Brightfield, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What is the usual temperature for Brightfield in September?

Brightfield in September has an average high-temperature of 77°F (25°C) and an average low-temperature of 60.6°F (15.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How many days does it rain in September in Brightfield?

In Brightfield, during September, the rain falls for 13.3 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow?

In Brightfield, snow does not fall in April through October.

How many hours of daylight does Brightfield have in September?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

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

How many hours of sunshine does Brightfield have in September?

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

What is the UV index intensity in September?

In Brightfield, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Brightfield, Maryland, USA

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