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
September marks a gentle change in average high-temperature, declining from August's warm 79.3°F (26.3°C) to a pleasant 72.5°F (22.5°C). In Oak Park, the average nighttime temperature during September is a mild 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Oak Park, in September, it is raining for 13.7 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 148.9 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
In Oak Park, Michigan, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
In Oak Park, the average sunshine in September is 8.1h.UV index
In Oak Park, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Oak Park?
Does it snow in September?
How many hours of daylight does Oak Park have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Oak Park have in September?
What is the UV index reading in September?
Average temperature in September
Oak Park, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Oak Park, MI
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Oak Park, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Oak Park, MI
- Average humidity in September: 75%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in September
Oak Park, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in September
Oak Park, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Oak Park, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oak Park, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oak Park, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Oak Park, MI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are April, May and July (10.8 days).
Average UV index in September
Oak Park, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Oak Park, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Oak Park, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Oak Park, Michigan, USA
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