September weather forecastQuarles, MO
September
Weather in September
September, the first month of the autumn in Quarles, is also a moderately hot month, with an average temperature fluctuating between 59.9°F (15.5°C) and 78.8°F (26°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 85.6°F (29.8°C) in August to a still warm 78.8°F (26°C). The average temperature in Quarles drops to a refreshing 59.9°F (15.5°C) during the night in the month of September.Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Quarles, Missouri, there are 131.1 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
April, June through September are months without snowfall.Daylight
In Quarles, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:45 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Quarles, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Quarles, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 59.9°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 (24.3°F).
Average pressure in September
Quarles, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Quarles, MO
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Quarles, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Quarles, MO
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Quarles, MO
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Quarles, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Quarles, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Quarles, MO
- 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 30min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Quarles, MO
- Average sunshine days in September: 16.1 days
The months with the most sunshine days are January and December (22.1 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Quarles, MO
- 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
Quarles, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Quarles, MO
- 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).





