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
Mount Leonard's September weather features a light decline in high-temperatures, reducing from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.8°F (26°C). In the month of September, the nighttime temperature dips to a steady average of 59.2°F (15.1°C).Humidity
In Mount Leonard, the average relative humidity in September is 74%.Rainfall
In Mount Leonard, in September, it is raining for 9.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Mount Leonard, during the entire year, the rain falls for 108.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Mount Leonard, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:42 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:57 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Mount Leonard, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Mount Leonard in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Mount Leonard have in September?
What is the UV index intensity in September?
Average temperature in September
Mount Leonard, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Mount Leonard, 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
Mount Leonard, MO
- Average wind speed in September: 7.1mph
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 (6.4mph).
Average humidity in September
Mount Leonard, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Mount Leonard, MO
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Mount Leonard, MO
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Mount Leonard, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Mount Leonard, 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
Mount Leonard, MO
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Mount Leonard, MO
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in September
Mount Leonard, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Mount Leonard, MO
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Mount Leonard, 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).
Mount Leonard, Missouri, USA
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