September weather forecast
Compton, MD

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Compton, Maryland, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 64.6°F (18.1°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 83.8°F (28.8°C) to a still moderately hot 77.7°F (25.4°C). Throughout September nights, Compton experiences a consistent temperature average of 64.6°F (18.1°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Compton, during September, the rain falls for 12.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Compton, during the entire year, the rain falls for 146.1 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September in Compton, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What is the usual temperature for Compton in September?

During September, Compton experiences an average high-temperature of 77.7°F (25.4°C) and a low-temperature of 64.6°F (18.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 91.4°F (33°C).

What is the average humidity in September?

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

How many days does it rain in September?

In Compton, in September, during 12.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Compton have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Compton have in September?

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

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Compton, MD

Average temperature in September - Compton, MD
  • Average high temperature in September: 77.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in September: 64.6°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 (30.6°F).

Average pressure in September
Compton, MD

Average pressure in September - Compton, MD
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Compton, MD

Average wind speed in September - Compton, MD
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in September
Compton, MD

Average humidity in September - Compton, MD
  • Average humidity in September: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is January (73%).

Average rainfall in September
Compton, MD

Average rainfall in September - Compton, MD
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are January and November (0.94").

Average rainfall days in September
Compton, MD

Average rainfall days in September - Compton, MD
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in September
Compton, MD

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

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Compton, MD

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

The month with the highest number of snowfall days is January (2.8 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
Compton, MD

Average daylight in September / Average sunshine in September - Compton, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • 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 12min).

Average sunshine days in September
Compton, MD

Average sunshine days in September - Compton, MD
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is August (11.8 days).

Average UV index in September
Compton, MD

Average UV index in September - Compton, 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).

Average cloud cover in September
Compton, MD

Average cloud cover in September - Compton, 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 28).

Average visibility in September
Compton, MD

Average visibility in September - Compton, 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).

Compton, Maryland, USA

Weather forecast for your location

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