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 shift from August to September includes a small decrease in the average high-temperature, from a warm 80.8°F (27.1°C) to an agreeable 72.5°F (22.5°C). Throughout September, an average low-temperature of 52.7°F (11.5°C) is expected in Corona.Humidity
In Corona, the average relative humidity in September is 67%.Rainfall
In Corona, South Dakota, during September, the rain falls for 10 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 115.2 rainfall days, and 19.88" (505mm) of precipitation is accumulated.Snowfall
In Corona, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:49 am and sunset at 8:03 pm. On the last day of September, in Corona, sunrise is at 7:24 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine in Corona is 9h.UV index
The average daily maximum UV index in September in Corona is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average September temperature in Corona?
What is the average humidity in September in Corona?
How much does it rain in Corona in September?
When it does not snow in Corona?
Does it snow in Corona in September?
What is the average length of the day in September in Corona?
When is the sunrise / sunset in September in Corona?
How many hours of sunshine does Corona have in September?
What is the UV index reading in September in Corona?
Average temperature in September
Corona, SD
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in September
Corona, 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
Corona, SD
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Corona, SD
- Average humidity in September: 67%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Corona, SD
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Corona, SD
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Corona, SD
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Corona, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Corona, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Corona, SD
- Average sunshine days in September: 18 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Corona, 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
Corona, SD
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Corona, 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).
Corona, South Dakota, USA
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