September weather forecast
Tri-Woods, MD

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Tri-Woods, Maryland, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 75.2°F (24°C).

Temperature

With the onset of September, Tri-Woods's climate undergoes a slight change as the average high-temperature moves from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.2°F (24°C). An average low-temperature of 56.7°F (13.7°C) is observed in Tri-Woods during the September nights.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Tri-Woods, Maryland, in September, during 14.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Tri-Woods, Maryland, during the entire year, the rain falls for 157.5 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

In Tri-Woods, snow does not fall in June through September.

Daylight

The average length of the day in September in Tri-Woods is 12h and 26min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Tri-Woods is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - Suggestions to prevent sun damage are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
[Resources]

Frequently asked questions

What is the usual temperature for Tri-Woods in September?

In Tri-Woods, in September, the average high-temperature is 75.2°F (24°C), and the average low-temperature is 56.7°F (13.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September in Tri-Woods?

In September, the average relative humidity in Tri-Woods is 79%.

How many days does it rain in September in Tri-Woods?

In Tri-Woods, in September, it is raining for 14.5 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Tri-Woods?

June through September are months without snowfall in Tri-Woods.

Does it snow in Tri-Woods in September?

In Tri-Woods, Maryland, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Tri-Woods?

The average day length in September in Tri-Woods, Maryland, is 12h and 26min.

When is the sunrise / sunset in September in Tri-Woods?

On the first day of September, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm EDT.

How long on average sun shines in September in Tri-Woods?

The average sunshine duration in September in Tri-Woods, Maryland, is 8.9h.

What is the UV index intensity in September in Tri-Woods?

The average daily maximum UV index in September in Tri-Woods, Maryland, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Tri-Woods, MD

Average temperature in September - Tri-Woods, MD
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

[Resources]

Average pressure in September
Tri-Woods, MD

Average pressure in September - Tri-Woods, MD
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

[Resources]

Average wind speed in September
Tri-Woods, MD

Average wind speed in September - Tri-Woods, MD
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

[Resources]

Average humidity in September
Tri-Woods, MD

Average humidity in September - Tri-Woods, MD
  • Average humidity in September: 79%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

[Resources]

Average rainfall in September
Tri-Woods, MD

Average rainfall in September - Tri-Woods, MD
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

[Resources]

Average rainfall days in September
Tri-Woods, MD

Average rainfall days in September - Tri-Woods, MD
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

[Resources]

Average snowfall in September
Tri-Woods, MD

Average snowfall in September - Tri-Woods, MD
  • Average snowfall in September: 0"

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

[Resources]

Average snowfall days in September
Tri-Woods, MD

Average snowfall days in September - Tri-Woods, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Tri-Woods, MD

Average daylight in September / Average sunshine in September - Tri-Woods, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in September
Tri-Woods, MD

Average sunshine days in September - Tri-Woods, MD
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

[Resources]

Average UV index in September
Tri-Woods, MD

Average UV index in September - Tri-Woods, MD
  • Average UV index in September: 4

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).

[Resources]

Average cloud cover in September
Tri-Woods, MD

Average cloud cover in September - Tri-Woods, MD
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in September
Tri-Woods, MD

Average visibility in September - Tri-Woods, MD
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

[Resources]

Tri-Woods, Maryland, USA

Weather forecast for your location

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