September weather forecast
Chriswood Manor, MD

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Weather in September

September, the first month of the autumn in Chriswood Manor, is still a warm month, with an average temperature varying between 60.6°F (15.9°C) and 77°F (25°C).

Temperature

As August makes way for September, Chriswood Manor's average high-temperature eases from 83.8°F (28.8°C) to a still moderately hot 77°F (25°C). Chriswood Manor witnesses a consistent average low-temperature of 60.6°F (15.9°C) throughout September.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Chriswood Manor, in September, it is raining for 13.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Chriswood Manor, during the entire year, the rain falls for 159.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Chriswood Manor, 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 7:37 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine in Chriswood Manor is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What is the temperature in September?

Chriswood Manor in September has an average high-temperature of 77°F (25°C) and an average low-temperature of 60.6°F (15.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in September?

In Chriswood Manor, the average relative humidity in September is 75%.

How much does it rain in Chriswood Manor in September?

In Chriswood Manor, in September, it is raining for 13.3 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Chriswood Manor have in September?

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

When are sunrise and sunset in September?

On the first day of September in Chriswood Manor, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

How many hours of sunshine does Chriswood Manor have in September?

The average sunshine duration in September is 9.1h.

What is the UV index intensity in September?

In Chriswood Manor, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Chriswood Manor, MD

Average temperature in September - Chriswood Manor, MD
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Chriswood Manor, MD

Average pressure in September - Chriswood Manor, 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
Chriswood Manor, MD

Average wind speed in September - Chriswood Manor, MD
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Chriswood Manor, MD

Average humidity in September - Chriswood Manor, MD
  • Average humidity in September: 75%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in September
Chriswood Manor, MD

Average rainfall in September - Chriswood Manor, MD
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in September
Chriswood Manor, MD

Average rainfall days in September - Chriswood Manor, MD
  • Average rainfall days in September: 13.3 days

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

Average snowfall in September
Chriswood Manor, MD

Average snowfall in September - Chriswood Manor, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Chriswood Manor, MD

Average snowfall days in September - Chriswood Manor, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 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
Chriswood Manor, MD

Average daylight in September / Average sunshine in September - Chriswood Manor, 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 months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in September
Chriswood Manor, MD

Average sunshine days in September - Chriswood Manor, MD
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in September
Chriswood Manor, MD

Average UV index in September - Chriswood Manor, 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).

Average cloud cover in September
Chriswood Manor, MD

Average cloud cover in September - Chriswood Manor, 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
Chriswood Manor, MD

Average visibility in September - Chriswood Manor, 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).

Chriswood Manor, Maryland, USA

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