September weather forecast
Blue Grass Manor, MD

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Weather in September

September, the first month of the autumn in Blue Grass Manor, is also a moderately hot month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 57°F (13.9°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 81.7°F (27.6°C) in August to a still warm 75°F (23.9°C). Blue Grass Manor experiences an average low-temperature of 57°F (13.9°C) in the month of September.

Humidity

In September, the average relative humidity in Blue Grass Manor, Maryland, is 79%.

Rainfall

In Blue Grass Manor, Maryland, in September, it is raining for 13.8 days, with typically 2.44" (62mm) of accumulated precipitation. In Blue Grass Manor, during the entire year, the rain falls for 158.9 days and collects up to 32.68" (830mm) of precipitation.

Snowfall

In Blue Grass Manor, snow does not fall in May through September.

Daylight

In Blue Grass Manor, the average length of the day in September is 12h and 26min.
On the first day of September in Blue Grass Manor, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In Blue Grass Manor, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the temperature in September in Blue Grass Manor?

September temperatures in Blue Grass Manor vary between a high-temperature of 75°F (23.9°C) and a low-temperature of 57°F (13.9°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in September in Blue Grass Manor?

In September, the average relative humidity is 79%.

How many days does it rain in September in Blue Grass Manor?

In Blue Grass Manor, in September, during 13.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Blue Grass Manor?

May through September are months without snowfall.

Does it snow in Blue Grass Manor in September?

In Blue Grass Manor, Maryland, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Blue Grass Manor have in September?

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

When are sunrise and sunset in September in Blue Grass Manor?

On the first day of September, sunrise is at 6:36 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

How long on average sun shines in September in Blue Grass Manor?

In September, the average sunshine duration in Blue Grass Manor is 8.7h.

How high is the UV index in September in Blue Grass Manor?

In Blue Grass Manor, Maryland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
81.7°F 27.6°C
75°F 23.9°C
63.5°F 17.5°C
Average low temperature
63.5°F 17.5°C
57°F 13.9°C
47.7°F 8.7°C
Average pressure
30" 762mmHg
30.06" 764mmHg
30.04" 763mmHg
Average wind speed
5.2mph 8.4km/h
5.9mph 9.5km/h
7.1mph 11.4km/h
Average max. wind speed
5.7mph 9.2km/h
6.2mph 10km/h
7.8mph 12.6km/h
Average wind speed gusts
8.6mph 13.8km/h
9.6mph 15.4km/h
12.1mph 19.5km/h
Average humidity
78%
79%
79%
Average rainfall
3.9" 99mm
2.44" 62mm
2.72" 69mm
Average rainfall days
16.7
13.8
12.6
Average snowfall
0" 0mm
0" 0mm
0.51" 13mm
Average snowfall days
0
0
0.2
Average daylight
13h 4min
12h 2min
11h 1min
Average sunshine
9h 5min
8h 4min
5h 2min
Average sunshine days
12.7
14.8
16.4
Average UV index
6
4
3
Average cloud cover
35%
39%
43%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in September
Blue Grass Manor, MD

Average temperature in September - Blue Grass Manor, MD
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in September
Blue Grass Manor, MD

Average pressure in September - Blue Grass Manor, 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 (29.94"Hg).

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Average wind speed in September
Blue Grass Manor, MD

Average wind speed in September - Blue Grass Manor, MD
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Blue Grass Manor, MD

Average humidity in September - Blue Grass Manor, MD
  • Average humidity in September: 79%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).

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Average rainfall in September
Blue Grass Manor, MD

Average rainfall in September - Blue Grass Manor, MD
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").

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Average rainfall days in September
Blue Grass Manor, MD

Average rainfall days in September - Blue Grass Manor, MD
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in September
Blue Grass Manor, MD

Average snowfall in September - Blue Grass Manor, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Blue Grass Manor, MD

Average snowfall days in September - Blue Grass Manor, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Blue Grass Manor, MD

Average daylight in September / Average sunshine in September - Blue Grass Manor, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Blue Grass Manor, MD

Average sunshine days in September - Blue Grass Manor, MD
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in September
Blue Grass Manor, MD

Average UV index in September - Blue Grass Manor, MD
  • Average UV index in September: 4

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
Blue Grass Manor, MD

Average cloud cover in September - Blue Grass Manor, MD
  • Average cloud cover in September: 39

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Blue Grass Manor, MD

Average visibility in September - Blue Grass Manor, MD
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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Blue Grass Manor, Maryland, USA

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