Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August transitions into September, Montgomery Woods sees a gentle drop in the average high-temperature, transitioning from 83.8°F (28.8°C) to a still moderately hot 77.2°F (25.1°C). Montgomery Woods, in September, witnesses an average low-temperature of 62.2°F (16.8°C).Humidity
In September, the average relative humidity in Montgomery Woods is 75%.Rainfall
In Montgomery Woods, in September, it is raining for 13.1 days, with typically 2.09" (53mm) of accumulated precipitation. In Montgomery Woods, Maryland, during the entire year, the rain falls for 156.3 days and collects up to 29.61" (752mm) of precipitation.Snowfall
April through October are months without snowfall in Montgomery Woods, Maryland.Daylight
In Montgomery Woods, 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 7:02 am and sunset at 6:50 pm EDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Montgomery Woods, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are September temperatures in Montgomery Woods?
What is the average humidity in September in Montgomery Woods?
How much does it rain in Montgomery Woods in September?
When it does not snow in Montgomery Woods?
What is the average length of the day in September in Montgomery Woods?
When are sunrise and sunset in September in Montgomery Woods?
How many hours of sunshine does Montgomery Woods have in September?
What is the UV index reading in September in Montgomery Woods?
Average temperature in September
Montgomery Woods, MD
- Average high temperature in September: 77.2°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 (38.8°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Montgomery Woods, 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
Montgomery Woods, MD
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Montgomery Woods, MD
- Average humidity in September: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in September
Montgomery Woods, MD
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in September
Montgomery Woods, MD
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Montgomery Woods, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Montgomery Woods, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Montgomery 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 30min).
- Average sunshine in September: 9h and 2min
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
Montgomery Woods, MD
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Montgomery Woods, 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
Montgomery Woods, 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 29).
Average visibility in September
Montgomery Woods, 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).
Montgomery Woods, Maryland, USA
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