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
The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 87.1°F (30.6°C) in August to a warm 80.1°F (26.7°C). Aurora experiences an average nighttime temperature of 60.3°F (15.7°C) in the month of September.Humidity
In Aurora, the average relative humidity in September is 74%.Rainfall
In Aurora, in September, during 13.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 155.2 rainfall days, and 36.5" (927mm) of precipitation is accumulated.Snowfall
In Aurora, snow does not fall in June through October.Daylight
In Aurora, 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, sunrise is at 7:10 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine in Aurora is 9.3h.UV index
In Aurora, Missouri, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Aurora in September?
What is the average humidity in September in Aurora?
How many days does it rain in September in Aurora?
When it does not snow in Aurora?
What is the average length of the day in September in Aurora?
When is the sunrise / sunset in September in Aurora?
How many hours of sunshine does Aurora have in September?
How high is the UV index in September in Aurora?
Average temperature in September
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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
Aurora, 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).
Aurora, Missouri, USA
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