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
September is marked by a subtle drop in average high-temperatures, transitioning from a warm 84.6°F (29.2°C) in August to a still moderately hot 77.7°F (25.4°C). In Smithville, the expected average low-temperature for September is a mild 58.8°F (14.9°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Smithville, during September, the rain falls for 12.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Smithville, during the entire year, the rain falls for 134 days and collects up to 26.57" (675mm) of precipitation.Snowfall
June through September are months without snowfall in Smithville.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Smithville, Missouri, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Smithville?
What is the average humidity in September in Smithville?
How many days does it rain in September in Smithville?
When it does not snow in Smithville?
Does it snow in Smithville in September?
What is the average length of the day in September in Smithville?
What time are sunrise and sunset in September in Smithville?
How many hours of sunshine does Smithville have in September?
What is the UV index reading in September in Smithville?
Average temperature in September
Smithville, MO
- Average high temperature in September: 77.7°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°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Smithville, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Smithville, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Smithville, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Smithville, MO
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Smithville, MO
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Smithville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smithville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smithville, 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 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Smithville, MO
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Smithville, 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
Smithville, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Smithville, 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).
Smithville, Missouri, USA
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