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
Transitioning into September, Adrian records an average high-temperature of a still moderately hot 77.2°F (25.1°C), almost identical to August's 82.2°F (27.9°C). Adrian's temperature in September lowers to a consistent average of 57.7°F (14.3°C) during the nights.Humidity
In Adrian, the average relative humidity in September is 75%.Rainfall
In Adrian, during September, the rain falls for 10.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Adrian, during the entire year, the rain falls for 128.2 days and collects up to 20.08" (510mm) of precipitation.Snowfall
In Adrian, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index in Adrian is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Adrian?
What is the average humidity in September in Adrian?
How many days does it rain in September in Adrian?
When it does not snow in Adrian?
Does it snow in Adrian in September?
How many hours of daylight does Adrian have in September?
What time are sunrise and sunset in September in Adrian?
How many hours of sunshine does Adrian have in September?
What is the UV index intensity in September in Adrian?
Average temperature in September
Adrian, IL
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Adrian, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Adrian, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Adrian, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Adrian, IL
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Adrian, IL
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Adrian, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Adrian, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Adrian, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Adrian, IL
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Adrian, IL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Adrian, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Adrian, 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).
Adrian, Illinois, USA
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