September weather forecastGarrian Orchards, MD
September
Weather in September
The first month of the autumn, September, is still a warm month in Garrian Orchards, Maryland, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 76.8°F (24.9°C).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 83.5°F (28.6°C) in August to a still warm 76.8°F (24.9°C). September brings Garrian Orchards a consistent average low-temperature of 60.4°F (15.8°C).Humidity
The average relative humidity in September is 75%.Rainfall
In Garrian Orchards, in September, it is raining for 13.1 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 165.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
In Garrian Orchards, snow does not fall in May through October.Daylight
In Garrian Orchards, 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
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Garrian Orchards, MD
- Average high temperature in September: 76.8°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 (38.1°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Garrian Orchards, 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
Garrian Orchards, MD
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Garrian Orchards, MD
- Average humidity in September: 75%
The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Garrian Orchards, MD
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in September
Garrian Orchards, MD
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Garrian Orchards, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Garrian Orchards, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Garrian Orchards, MD
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Garrian Orchards, MD
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Garrian Orchards, 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
Garrian Orchards, 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
Garrian Orchards, 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).





