September weather forecast
Chaptico, MD

Share

Weather in September

The first month of the autumn, September, is still a warm month in Chaptico, Maryland, with an average temperature fluctuating between 64.4°F (18°C) and 77.5°F (25.3°C).

Temperature

During the shift to September, Chaptico records a mild decrease in average high-temperature, moving from a warm 83.7°F (28.7°C) in August to a still moderately hot 77.5°F (25.3°C). The mean low-temperature during September nights in Chaptico is an enjoyable 64.4°F (18°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 13.9 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 158.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

In Chaptico, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the usual temperature for Chaptico in September?

September temperatures vary between a high-temperature of 77.5°F (25.3°C) and a low-temperature of 64.4°F (18°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in September in Chaptico?

In Chaptico, the average relative humidity in September is 77%.

How many days does it rain in September?

In Chaptico, in September, during 13.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow?

In Chaptico, 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 25min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:37 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:51 pm EDT.

How many hours of sunshine does Chaptico have in September?

In Chaptico, the average sunshine duration in September is 9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Chaptico, MD

Average temperature in September - Chaptico, MD
  • Average high temperature in September: 77.5°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 (41.5°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Chaptico, MD

Average pressure in September - Chaptico, 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 (29.95"Hg).

Average wind speed in September
Chaptico, MD

Average wind speed in September - Chaptico, MD
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in September
Chaptico, MD

Average humidity in September - Chaptico, MD
  • Average humidity in September: 77%

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

Average rainfall in September
Chaptico, MD

Average rainfall in September - Chaptico, MD
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in September
Chaptico, MD

Average rainfall days in September - Chaptico, MD
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in September
Chaptico, MD

Average snowfall in September - Chaptico, 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").

Average snowfall days in September
Chaptico, MD

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

The month with the highest number of snowfall days is January (3.7 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
Chaptico, MD

Average daylight in September / Average sunshine in September - Chaptico, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Chaptico, MD

Average sunshine days in September - Chaptico, MD
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in September
Chaptico, MD

Average UV index in September - Chaptico, 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
Chaptico, MD

Average cloud cover in September - Chaptico, MD
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in September
Chaptico, MD

Average visibility in September - Chaptico, 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).

Chaptico, Maryland, USA

Weather forecast for your location

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