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 reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 80.2°F (26.8°C) in August to an agreeable 72.5°F (22.5°C). Throughout September nights, Aurora experiences a consistent temperature average of 52.3°F (11.3°C).Humidity
The average relative humidity in September is 70%.Rainfall
In September, in Aurora, the rain falls for 10.9 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In Aurora, during the entire year, the rain falls for 125.5 days and collects up to 21.65" (550mm) of precipitation.Snowfall
June through September are months without snowfall in Aurora.Daylight
The average length of the day in September in Aurora is 12h and 30min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:02 pm. On the last day of September, in Aurora, sunrise is at 7:24 am and sunset at 7:08 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Aurora, South Dakota, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are September temperatures in Aurora?
What is the average humidity in September in Aurora?
How much does it rain in Aurora in September?
When it does not snow in Aurora?
Does it snow in Aurora in September?
What is the average length of the day in September in Aurora?
When is the sunrise / sunset in September in Aurora?
How long on average sun shines in September in Aurora?
How high is the UV index in September in Aurora?
Average temperature in September
Aurora, SD
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Aurora, SD
- Average pressure in September: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Aurora, SD
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Aurora, SD
- Average humidity in September: 70%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Aurora, SD
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in September
Aurora, SD
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in September
Aurora, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Aurora, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 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, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Aurora, SD
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Aurora, SD
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Aurora, SD
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Aurora, SD
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Aurora, South Dakota, USA
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