September weather forecast
Cattertons Reach, MD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Cattertons Reach, Maryland, with an average temperature fluctuating between 76.6°F (24.8°C) and 65.1°F (18.4°C).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's 82.9°F (28.3°C) to a still warm 76.6°F (24.8°C). An average low-temperature of 65.1°F (18.4°C) marks the month of September.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Cattertons Reach, in September, it is raining for 12.3 days, with typically 1.06" (27mm) of accumulated precipitation. In Cattertons Reach, Maryland, during the entire year, the rain falls for 132.3 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:50 pm EDT.

Sunshine

In September, the average sunshine 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 rays for the average person.
Note: The UV index of 5 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in Cattertons Reach, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 65.1°F (18.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in September?

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

How much does it rain in September?

In Cattertons Reach, during September, the rain falls for 12.3 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow?

In Cattertons Reach, Maryland, snow does not fall in April through October.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, 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 long on average sun shines in September?

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

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index estimate 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
Cattertons Reach, MD

Average temperature in September - Cattertons Reach, 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 (40.6°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in September
Cattertons Reach, MD

Average pressure in September - Cattertons Reach, 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).

Average wind speed in September
Cattertons Reach, MD

Average wind speed in September - Cattertons Reach, MD
  • Average wind speed in September: 7.7mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Cattertons Reach, MD

Average humidity in September - Cattertons Reach, MD
  • Average humidity in September: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in September
Cattertons Reach, MD

Average rainfall in September - Cattertons Reach, MD
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in September
Cattertons Reach, MD

Average rainfall days in September - Cattertons Reach, MD
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in September
Cattertons Reach, MD

Average snowfall in September - Cattertons Reach, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Cattertons Reach, MD

Average snowfall days in September - Cattertons Reach, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Cattertons Reach, MD

Average daylight in September / Average sunshine in September - Cattertons Reach, 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 30min).

  • Average sunshine in September: 9h and 1min

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
Cattertons Reach, MD

Average sunshine days in September - Cattertons Reach, MD
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in September
Cattertons Reach, MD

Average UV index in September - Cattertons Reach, 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
Cattertons Reach, MD

Average cloud cover in September - Cattertons Reach, MD
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Cattertons Reach, MD

Average visibility in September - Cattertons Reach, 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).

Cattertons Reach, Maryland, USA

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