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 brings a slight decrease in the average high-temperature, shifting from a tropical 87.3°F (30.7°C) in August to a moderately hot 80.2°F (26.8°C). In September, Willow Springs experiences an average nighttime temperature of 59.4°F (15.2°C).Humidity
The months with the lowest humidity are August through October, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.81" (46mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:39 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What are the least humid months?
What is the average humidity in September?
What is the driest month in Willow Springs?
How many days does it rain in September in Willow Springs?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Willow Springs?
How many hours of sunshine does Willow Springs have in September?
What is the UV index intensity in September?
Average temperature in September
Willow Springs, MO
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Willow Springs, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Willow Springs, MO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Willow Springs, MO
- Average humidity in September: 74%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Willow Springs, MO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Willow Springs, MO
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Willow Springs, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Willow Springs, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Willow Springs, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Willow Springs, MO
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
Willow Springs, 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
Willow Springs, MO
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Willow Springs, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Willow Springs, Missouri, USA
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