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 implies a soft temperature shift, with average high-temperatures reducing from August's 82.9°F (28.3°C) to a still warm 76.6°F (24.8°C). During September, an average low-temperature of 65.1°F (18.4°C) is observed.Humidity
In September, the average relative humidity is 76%.Rainfall
In Simpsons Farm, in September, it is raining for 12.3 days, with typically 1.06" (27mm) of accumulated precipitation. In Simpsons Farm, during the entire year, the rain falls for 132.3 days and collects up to 15.83" (402mm) of precipitation.Snowfall
April through October are months without snowfall in Simpsons Farm, Maryland.Daylight
In September, the average length of the day in Simpsons Farm, Maryland, is 12h and 26min.On the first day of September in Simpsons Farm, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
In Simpsons Farm, Maryland, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index in Simpsons Farm is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the usual temperature for Simpsons Farm in September?
What is the average humidity in September in Simpsons Farm?
How many days does it rain in September in Simpsons Farm?
When it does not snow in Simpsons Farm?
What is the average length of the day in September in Simpsons Farm?
When are sunrise and sunset in September in Simpsons Farm?
How many hours of sunshine does Simpsons Farm have in September?
What is the UV index reading in September in Simpsons Farm?
Average temperature in September
Simpsons Farm, MD
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Simpsons Farm, 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 (29.94"Hg).
Average wind speed in September
Simpsons Farm, MD
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Simpsons Farm, MD
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Simpsons Farm, MD
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Simpsons Farm, MD
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Simpsons Farm, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Simpsons Farm, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Simpsons Farm, 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 1min
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
Simpsons Farm, MD
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in September
Simpsons Farm, 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
Simpsons Farm, MD
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Simpsons Farm, 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).
Simpsons Farm, Maryland, USA
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