September weather forecast
Mainbrace, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Mainbrace, Maryland, with an average temperature varying between 77.4°F (25.2°C) and 63.5°F (17.5°C).

Temperature

Mainbrace's weather in September displays an average high-temperature of a still warm 77.4°F (25.2°C), showing minor disparity from August's 82.6°F (28.1°C). In September, Mainbrace experiences an average nighttime temperature of 63.5°F (17.5°C).

Humidity

In Mainbrace, the average relative humidity in September 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.

Daylight

In Mainbrace, Maryland, 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 Mainbrace, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Mainbrace is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Mainbrace in September?

The high-temperature in Mainbrace, Maryland, during September is 77.4°F (25.2°C) and the low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 89.6°F (32°C).

What is the average humidity in September in Mainbrace?

In Mainbrace, Maryland, the average relative humidity in September is 77%.

What is the driest month in Mainbrace?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

How much does it rain in Mainbrace in September?

In September, the rain falls for 12.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Mainbrace?

May through October are months without snowfall in Mainbrace, Maryland.

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

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

When are sunrise and sunset in September in Mainbrace?

On the first day of September in Mainbrace, Maryland, 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.

How many hours of sunshine does Mainbrace have in September?

The average sunshine duration in September in Mainbrace is 9.3h.

How high is the UV index in September in Mainbrace?

In Mainbrace, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Mainbrace, MD

Average temperature in September - Mainbrace, 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).

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Average pressure in September
Mainbrace, MD

Average pressure in September - Mainbrace, 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).

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Average wind speed in September
Mainbrace, MD

Average wind speed in September - Mainbrace, 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).

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Average humidity in September
Mainbrace, MD

Average humidity in September - Mainbrace, 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%).

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Average rainfall in September
Mainbrace, MD

Average rainfall in September - Mainbrace, 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").

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Average rainfall days in September
Mainbrace, MD

Average rainfall days in September - Mainbrace, 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).

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Average snowfall in September
Mainbrace, MD

Average snowfall in September - Mainbrace, 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").

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Average snowfall days in September
Mainbrace, MD

Average snowfall days in September - Mainbrace, 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).

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

Average daylight in September / Average sunshine in September - Mainbrace, 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).

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Average sunshine days in September
Mainbrace, MD

Average sunshine days in September - Mainbrace, 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).

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Average UV index in September
Mainbrace, MD

Average UV index in September - Mainbrace, 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).

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Average cloud cover in September
Mainbrace, MD

Average cloud cover in September - Mainbrace, 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).

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Average visibility in September
Mainbrace, MD

Average visibility in September - Mainbrace, 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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Mainbrace, Maryland, USA

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