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
With the arrival of September, Dearborn Heights experiences a modest decline in average high-temperatures, transitioning from a moderately hot 78.8°F (26°C) in August to a pleasant 72.5°F (22.5°C). Throughout the month of September, Dearborn Heights expects an average low of 56.8°F (13.8°C).Humidity
The average relative humidity in September in Dearborn Heights is 75%.Rainfall
In Dearborn Heights, in September, it is raining for 9 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 104.4 rainfall days, and 6.93" (176mm) of precipitation is accumulated.Snowfall
In Dearborn Heights, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Dearborn Heights, sunrise is at 6:59 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
The average sunshine in September in Dearborn Heights is 8.3h.UV index
The average daily maximum UV index in September in Dearborn Heights, Michigan, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Dearborn Heights in September?
What is the average humidity in September in Dearborn Heights?
How much does it rain in Dearborn Heights in September?
When it does not snow in Dearborn Heights?
What is the average length of the day in September in Dearborn Heights?
What time are sunrise and sunset in September in Dearborn Heights?
How many hours of sunshine does Dearborn Heights have in September?
How high is the UV index in September in Dearborn Heights?
Average temperature in September
Dearborn Heights, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Dearborn Heights, MI
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dearborn Heights, MI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Dearborn Heights, MI
- Average humidity in September: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Dearborn Heights, MI
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in September
Dearborn Heights, MI
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Dearborn Heights, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Dearborn Heights, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dearborn Heights, 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 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 6min).
Average sunshine days in September
Dearborn Heights, MI
- Average sunshine days in September: 18 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in September
Dearborn Heights, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Dearborn Heights, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Dearborn Heights, 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).
Dearborn Heights, Michigan, USA
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