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
With the onset of September, Sandoval's average high-temperature clocks in at a still moderately hot 78.3°F (25.7°C), showing a minor fluctuation from the previous month. Sandoval in September anticipates an average nighttime temperature of 59.7°F (15.4°C).Humidity
In Sandoval, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Sandoval, there are 145.5 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Sandoval.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Sandoval, sunrise is at 6:26 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Sandoval, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the temperature in September in Sandoval?
What is the average humidity in September in Sandoval?
How much does it rain in Sandoval in September?
When it does not snow in Sandoval?
What is the average length of the day in September in Sandoval?
When is the sunrise / sunset in September in Sandoval?
How many hours of sunshine does Sandoval have in September?
What is the UV index reading in September in Sandoval?
Average temperature in September
Sandoval, IL
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.7°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 (24.3°F).
Average pressure in September
Sandoval, IL
- Average pressure in September: 30.03"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
Sandoval, IL
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Sandoval, IL
- Average humidity in September: 75%
The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Sandoval, IL
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in September
Sandoval, IL
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Sandoval, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sandoval, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sandoval, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Sandoval, IL
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Sandoval, IL
- 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, November and December (UV index 2).
Average cloud cover in September
Sandoval, IL
- Average cloud cover in September: 29
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Sandoval, IL
- 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).
Sandoval, Illinois, USA
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