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
September signals a slight drop in average high-temperature, sliding from August's warm 83.8°F (28.8°C) to a still moderately hot 77.2°F (25.1°C). During September, Cromwell Fountain's temperature falls to a steady low-temperature average of 62.4°F (16.9°C).Humidity
In Cromwell Fountain, the average relative humidity in September is 75%.Rainfall
In Cromwell Fountain, in September, during 13.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Cromwell Fountain, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
In Cromwell Fountain, snow does not fall in April through October.Daylight
In Cromwell Fountain, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:35 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
The average sunshine in September in Cromwell Fountain is 9.3h.UV index
In September, the average daily maximum UV index in Cromwell Fountain is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Cromwell Fountain in September?
What is the average humidity in September in Cromwell Fountain?
How many days does it rain in September in Cromwell Fountain?
When it does not snow in Cromwell Fountain?
What is the average length of the day in September in Cromwell Fountain?
When is the sunrise / sunset in September in Cromwell Fountain?
How many hours of sunshine does Cromwell Fountain have in September?
What is the UV index reading in September in Cromwell Fountain?
Average temperature in September
Cromwell Fountain, MD
- Average high temperature in September: 77.2°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 (38.8°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in September
Cromwell Fountain, 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
Cromwell Fountain, MD
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Cromwell Fountain, MD
- Average humidity in September: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).
Average rainfall in September
Cromwell Fountain, MD
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Cromwell Fountain, MD
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).
Average snowfall in September
Cromwell Fountain, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Cromwell Fountain, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Cromwell Fountain, 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
Cromwell Fountain, MD
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).
Average UV index in September
Cromwell Fountain, 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, November and December (UV index 2).
Average cloud cover in September
Cromwell Fountain, 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
Cromwell Fountain, 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).
Cromwell Fountain, Maryland, USA
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