September weather forecast
Cromwell Station, MD

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Weather in September

The first month of the autumn, September, is still a warm month in Cromwell Station, Maryland, with an average temperature ranging between min 62.4°F (16.9°C) and max 77.2°F (25.1°C).

Temperature

Cromwell Station's transition into September involves a gentle shift in temperature, receding from 83.8°F (28.8°C) in August to a still moderately hot 77.2°F (25.1°C). Cromwell Station's nighttime temperature in September falls to an average of 62.4°F (16.9°C).

Humidity

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

Rainfall

In Cromwell Station, during September, the rain falls for 13.1 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
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 7:02 am and sunset at 6:49 pm EDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Cromwell Station, is 77.2°F (25.1°C), while the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How much does it rain in September?

In Cromwell Station, in September, it is raining for 13.1 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Cromwell Station have in September?

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

When is the sunrise / sunset in September?

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 7:02 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Cromwell Station have in September?

In Cromwell Station, Maryland, the average sunshine duration in September is 9.3h.

What is the UV index reading in September?

In Cromwell Station, Maryland, 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
Cromwell Station, MD

Average temperature in September - Cromwell Station, MD
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in September
Cromwell Station, MD

Average pressure in September - Cromwell Station, 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
Cromwell Station, MD

Average wind speed in September - Cromwell Station, MD
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Cromwell Station, MD

Average humidity in September - Cromwell Station, MD
  • Average humidity in September: 75%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

Average rainfall in September
Cromwell Station, MD

Average rainfall in September - Cromwell Station, MD
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in September
Cromwell Station, MD

Average rainfall days in September - Cromwell Station, MD
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in September
Cromwell Station, MD

Average snowfall in September - Cromwell Station, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Cromwell Station, MD

Average snowfall days in September - Cromwell Station, 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).

Average daylight in September /
Average sunshine in September
Cromwell Station, MD

Average daylight in September / Average sunshine in September - Cromwell Station, 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: 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 6min).

Average sunshine days in September
Cromwell Station, MD

Average sunshine days in September - Cromwell Station, MD
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in September
Cromwell Station, MD

Average UV index in September - Cromwell Station, 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, November and December (UV index 2).

Average cloud cover in September
Cromwell Station, MD

Average cloud cover in September - Cromwell Station, MD
  • Average cloud cover in September: 34

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in September
Cromwell Station, MD

Average visibility in September - Cromwell Station, 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).

Cromwell Station, Maryland, USA

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