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 commencement of September in Macomb includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 78.1°F (25.6°C) in August to an agreeable 71.4°F (21.9°C). The month of September records an average low-temperature of 56.8°F (13.8°C).Humidity
The months with the lowest humidity are April, May, July through October, with an average relative humidity of 76%.Rainfall
In Macomb, during September, the rain falls for 13.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Macomb, there are 146.8 rainfall days, and 22.72" (577mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Macomb is 12h and 29min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:05 pm. On the last day of September, in Macomb, Michigan, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
In Macomb, the average sunshine in September is 8.4h.UV index
In Macomb, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the temperature in September in Macomb?
What are the least humid months in Macomb?
What is the average humidity in September in Macomb?
How many days does it rain in September in Macomb?
When it does not snow in Macomb?
Does it snow in Macomb in September?
What is the average length of the day in September in Macomb?
What time are sunrise and sunset in September in Macomb?
How many hours of sunshine does Macomb have in September?
What is the UV index intensity in September in Macomb?
Average temperature in September
Macomb, MI
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Macomb, 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
Macomb, MI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Macomb, MI
- Average humidity in September: 76%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, July, August, September and October (76%).
Average rainfall in September
Macomb, MI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Macomb, MI
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Macomb, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Macomb, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Macomb, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Macomb, MI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Macomb, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Macomb, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Macomb, MI
- 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).
Macomb, Michigan, USA
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