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
In September, the average high-temperature marginally decreases from a hot 87.1°F (30.6°C) in August to a moderately hot 80.1°F (26.7°C). During September, Marionville observes a consistent average nighttime temperature of 60.3°F (15.7°C).Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Marionville, during the entire year, the rain falls for 155.2 days and collects up to 36.5" (927mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Marionville, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:42 pm. On the last day of September, in Marionville, Missouri, sunrise is at 7:09 am and sunset at 6:58 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Marionville, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Marionville, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Marionville, 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 (29.93"Hg).
Average wind speed in September
Marionville, MO
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Marionville, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Marionville, MO
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in September
Marionville, MO
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Marionville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Marionville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marionville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Marionville, MO
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Marionville, 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 and December (UV index 2).
Average cloud cover in September
Marionville, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Marionville, 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).
Marionville, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location