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
Dana notes an average high-temperature of a still warm 75.6°F (24.2°C) in September, displaying minor variation from August. During September, the average low-temperature in Dana is a mild 56.8°F (13.8°C).Humidity
In Dana, the average relative humidity in September is 76%.Rainfall
In September, in Dana, the rain falls for 10.2 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Dana, during the entire year, the rain falls for 122.1 days and collects up to 15.28" (388mm) of precipitation.Snowfall
May through September are months without snowfall in Dana.Daylight
The average length of the day in September in Dana, Illinois, is 12h and 27min.On the first day of September, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine in Dana, Illinois, is 9h.UV index
In Dana, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Dana?
What is the average humidity in September in Dana?
How many days does it rain in September in Dana?
When it does not snow in Dana?
Does it snow in Dana in September?
How many hours of daylight does Dana have in September?
When are sunrise and sunset in September in Dana?
How long on average sun shines in September in Dana?
What is the UV index reading in September in Dana?
Average temperature in September
Dana, IL
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Dana, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Dana, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Dana, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Dana, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Dana, IL
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Dana, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dana, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Dana, IL
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dana, IL
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Dana, IL
- 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 December (UV index 1).
Average cloud cover in September
Dana, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Dana, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Dana, Illinois, USA
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