September weather forecast
Middle River, MD

Share

Weather in September

The first month of the autumn, September, is still a warm month in Middle River, Maryland, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 61.2°F (16.2°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 82.8°F (28.2°C) in August to a still warm 76.6°F (24.8°C). An average low-temperature of 61.2°F (16.2°C) is noted during the month of September.

Humidity

In Middle River, the average relative humidity in September is 76%.

Rainfall

In Middle River, during September, the rain falls for 13.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 156.8 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

In Middle River, snow does not fall in April through October.

Daylight

In Middle River, 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 7:36 pm. On the last day of September, in Middle River, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

Sunshine

In Middle River, the average sunshine in September is 9.2h.

UV index

In Middle River, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
[Resources]

Frequently asked questions

What is the average September temperature in Middle River?

The average high-temperature, in September, in Middle River, is 76.6°F (24.8°C), while the average low-temperature is 61.2°F (16.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 89.6°F (32°C).

What is the average humidity in September in Middle River?

In Middle River, the average relative humidity in September is 76%.

How much does it rain in Middle River in September?

In Middle River, in September, it is raining for 13.3 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Middle River?

April through October are months without snowfall in Middle River, Maryland.

How many hours of daylight does Middle River have in September?

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

When is the sunrise / sunset in September in Middle River?

On the first day of September, sunrise is at 6:34 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.

How long on average sun shines in September in Middle River?

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

How high is the UV index in September in Middle River?

In Middle River, Maryland, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Middle River, MD

Average temperature in September - Middle River, MD
  • Average high temperature in September: 76.6°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 (38.5°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27°F).

[Resources]

Average pressure in September
Middle River, MD

Average pressure in September - Middle River, 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).

[Resources]

Average wind speed in September
Middle River, MD

Average wind speed in September - Middle River, MD
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in September
Middle River, MD

Average humidity in September - Middle River, MD
  • Average humidity in September: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in September
Middle River, MD

Average rainfall in September - Middle River, MD
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.85").

[Resources]

Average rainfall days in September
Middle River, MD

Average rainfall days in September - Middle River, MD
  • Average rainfall days in September: 13.3 days

The months with the highest number of rainy days are May and July (17.6 days).
The month with the least rainy days is January (7.9 days).

[Resources]

Average snowfall in September
Middle River, MD

Average snowfall in September - Middle River, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Middle River, MD

Average snowfall days in September - Middle River, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Middle River, MD

Average daylight in September / Average sunshine in September - Middle River, 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).

[Resources]

Average sunshine days in September
Middle River, MD

Average sunshine days in September - Middle River, MD
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.8 days).

[Resources]

Average UV index in September
Middle River, MD

Average UV index in September - Middle River, 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).

[Resources]

Average cloud cover in September
Middle River, MD

Average cloud cover in September - Middle River, MD
  • Average cloud cover in September: 34

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 30).

[Resources]

Average visibility in September
Middle River, MD

Average visibility in September - Middle River, 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).

[Resources]

Middle River, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location