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
In the transition to September, Oakley observes a minor drop in the average high-temperature, shifting from a warm 77.5°F (25.3°C) in August to an agreeable 71.1°F (21.7°C). Throughout September, Oakley records an average temperature of 52.7°F (11.5°C) at night.Humidity
In Oakley, the average relative humidity in September is 79%.Rainfall
In Oakley, in September, during 11 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Oakley, during the entire year, the rain falls for 132 days and collects up to 18.66" (474mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:11 pm. On the last day of September, in Oakley, Michigan, sunrise is at 7:33 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Oakley?
What is the average humidity in September in Oakley?
How many days does it rain in September in Oakley?
When it does not snow in Oakley?
Does it snow in Oakley in September?
How many hours of daylight does Oakley have in September?
When is the sunrise / sunset in September in Oakley?
How many hours of sunshine does Oakley have in September?
How high is the UV index in September in Oakley?
Average temperature in September
Oakley, MI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Oakley, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Oakley, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Oakley, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Oakley, MI
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in September
Oakley, MI
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Oakley, MI
- 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 and September (0").
Average snowfall days in September
Oakley, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oakley, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Oakley, MI
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Oakley, MI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Oakley, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Oakley, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Oakley, Michigan, USA
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