September weather forecast
Edgewater, MD

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Weather in September

September, the first month of the autumn in Edgewater, is still a warm month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 77°F (25°C).

Temperature

Edgewater's transition into September involves a gentle shift in temperature, receding from 83.3°F (28.5°C) in August to a still moderately hot 77°F (25°C). Edgewater experiences a steady low-temperature of 64.6°F (18.1°C) throughout September.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Edgewater, during September, the rain falls for 10.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Edgewater, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Edgewater.

Ocean temperature

In September, the average ocean temperature is 74.1°F (23.4°C).
Note: Your comfort in 74.1°F (23.4°C) waters hinges on your relationship with the cold, today's sunny disposition, wind patterns, and the air's temperature. For context, Olympic swimmers are no strangers to waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

In September, the average length of the day in Edgewater is 12h and 26min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of September, in Edgewater, sunrise is at 7:01 am and sunset at 6:50 pm EDT.

Sunshine

In Edgewater, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
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Frequently asked questions

What is the temperature in September in Edgewater?

In September, the average high-temperature and low-temperature in Edgewater are 77°F (25°C) and 64.6°F (18.1°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in September in Edgewater?

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

How much does it rain in Edgewater in September?

In Edgewater, in September, it is raining for 10.5 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Edgewater?

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

What is the ocean temperature in September in Edgewater?

In September, the average ocean temperature in Edgewater is 74.1°F (23.4°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.1°F (23.4°C) water may be enjoyable.

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

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

What time are sunrise and sunset in September in Edgewater?

On the first day of September, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm EDT.

How long on average sun shines in September in Edgewater?

In Edgewater, the average sunshine duration in September is 9.2h.

What is the UV index reading in September in Edgewater?

In September, the average daily maximum UV index in Edgewater is 5. 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
83.3°F 28.5°C
77°F 25°C
66.2°F 19°C
Average low temperature
70.5°F 21.4°C
64.6°F 18.1°C
54.5°F 12.5°C
Average pressure
29.99" 762mmHg
30.05" 763mmHg
30.03" 763mmHg
Average wind speed
6.6mph 10.6km/h
7.6mph 12.2km/h
9mph 14.5km/h
Average max. wind speed
7.2mph 11.6km/h
7.9mph 12.7km/h
9.7mph 15.6km/h
Average wind speed gusts
10.5mph 16.9km/h
11.9mph 19.2km/h
14.5mph 23.3km/h
Average humidity
74%
75%
75%
Average rainfall
1.69" 43mm
0.63" 16mm
0.87" 22mm
Average rainfall days
14.3
10.5
8.8
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
78°F 25.6°C
74.2°F 23.4°C
67.2°F 19.6°C
Average daylight
13h 4min
12h 2min
11h 1min
Average sunshine
10h 3min
9h 1min
5h 4min
Average sunshine days
13.8
17.4
20
Average UV index
6
5
4
Average cloud cover
29%
33%
37%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in September
Edgewater, MD

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

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Edgewater, MD

Average pressure in September - Edgewater, 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
Edgewater, MD

Average wind speed in September - Edgewater, MD
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
Edgewater, MD

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

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in September
Edgewater, MD

Average rainfall in September - Edgewater, MD
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Edgewater, MD

Average rainfall days in September - Edgewater, MD
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in September
Edgewater, MD

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

The month with the highest snowfall is January (0.67").
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
Edgewater, MD

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in September
Edgewater, MD

Average sea temperature in September - Edgewater, MD
  • Average sea temperature in September: 74.2°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

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

Average daylight in September / Average sunshine in September - Edgewater, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Edgewater, MD

Average sunshine days in September - Edgewater, MD
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in September
Edgewater, MD

Average UV index in September - Edgewater, 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 and December (UV index 2).

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Average cloud cover in September
Edgewater, MD

Average cloud cover in September - Edgewater, MD
  • Average cloud cover in September: 33

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in September
Edgewater, MD

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

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