September weather forecastChance, MD
September
Weather in September
September, the first month of the autumn in Chance, is still a warm month, with an average temperature fluctuating between 77°F (25°C) and 65.7°F (18.7°C).Temperature
September indicates a minor shift in the average high-temperature, from August's 82.8°F (28.2°C) to a still warm 77°F (25°C). During September, the temperature is averaged to a low of 65.7°F (18.7°C) at night.Humidity
In Chance, the average relative humidity in September is 78%.Rainfall
In Chance, during September, the rain falls for 14.4 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Chance, during the entire year, the rain falls for 158.7 days and collects up to 30.35" (771mm) of precipitation.Snowfall
In Chance, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chance, MD
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 65.7°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Chance, MD
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Chance, MD
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Chance, MD
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Chance, MD
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Chance, MD
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Chance, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chance, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 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
Chance, MD
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Chance, MD
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Chance, 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
Chance, MD
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Chance, 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).
