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 transition from August to September sees an average high-temperature of a still moderately hot 74.7°F (23.7°C), indicating a minor variance from the prior month. An average low-temperature of 56.7°F (13.7°C) marks the nights throughout September.Humidity
The average relative humidity in September is 78%.Rainfall
In Minooka, during September, the rain falls for 12.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Minooka, Illinois, there are 154.5 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
In Minooka, snow does not fall in May through October.Daylight
In September, the average length of the day in Minooka is 12h and 28min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:25 pm. On the last day of September, in Minooka, sunrise is at 6:49 am and sunset at 6:36 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Minooka?
What is the average humidity in September in Minooka?
How much does it rain in Minooka in September?
When it does not snow in Minooka?
What is the average length of the day in September in Minooka?
What time are sunrise and sunset in September in Minooka?
How long on average sun shines in September in Minooka?
What is the UV index intensity in September in Minooka?
Average temperature in September
Minooka, IL
- Average high temperature in September: 74.7°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 (29.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Minooka, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Minooka, IL
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Minooka, IL
- Average humidity in September: 78%
The months with the highest relative humidity are February, July and August (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Minooka, IL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in September
Minooka, IL
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Minooka, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Minooka, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 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
Minooka, 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 12min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Minooka, IL
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Minooka, 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
Minooka, IL
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Minooka, IL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Minooka, Illinois, USA
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