September weather forecastRising Sun, MD
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rising Sun, Maryland, with an average temperature ranging between min 58.1°F (14.5°C) and max 75.2°F (24°C).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 81.3°F (27.4°C) to a still moderately hot 75.2°F (24°C). In September, the temperature drops to an average of 58.1°F (14.5°C) at night.Humidity
In September, the average relative humidity is 80%.Rainfall
In Rising Sun, in September, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Rising Sun, during the entire year, the rain falls for 130.4 days and collects up to 16.3" (414mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Rising Sun, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rising Sun, MD
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Rising Sun, MD
- Average pressure in September: 30.06"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
Rising Sun, MD
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Rising Sun, MD
- Average humidity in September: 80%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in September
Rising Sun, MD
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Rising Sun, MD
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Rising Sun, MD
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rising Sun, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Rising Sun, 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 24min).
- Average sunshine in September: 8h and 54min
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 48min).
Average sunshine days in September
Rising Sun, MD
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Rising Sun, 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).
Average cloud cover in September
Rising Sun, MD
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Rising Sun, MD
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
