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 onset of September, Harper Woods's climate undergoes a slight change as the average high-temperature moves from a warm 77.9°F (25.5°C) in August to a pleasant 71.4°F (21.9°C). In September, the temperature drops to an average of 58.3°F (14.6°C) at night.Humidity
In Harper Woods, the average relative humidity in September is 75%.Rainfall
In Harper Woods, Michigan, in September, it is raining for 9.8 days, with typically 0.43" (11mm) of accumulated precipitation. In Harper Woods, Michigan, during the entire year, the rain falls for 105.5 days and collects up to 7.36" (187mm) of precipitation.Snowfall
In Harper Woods, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 28min.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 Harper Woods, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September in Harper Woods is 8.4h.UV index
In Harper Woods, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harper Woods in September?
What is the average humidity in September in Harper Woods?
How many days does it rain in September in Harper Woods?
When it does not snow in Harper Woods?
What is the average length of the day in September in Harper Woods?
When is the sunrise / sunset in September in Harper Woods?
How long on average sun shines in September in Harper Woods?
How high is the UV index in September in Harper Woods?
Average temperature in September
Harper Woods, MI
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Harper Woods, 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
Harper Woods, MI
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Harper Woods, MI
- Average humidity in September: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Harper Woods, MI
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is May (0.91").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Harper Woods, MI
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Harper Woods, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Harper Woods, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harper Woods, 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 12min).
Average sunshine days in September
Harper Woods, MI
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Harper Woods, 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
Harper Woods, MI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Harper Woods, 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).
Harper Woods, Michigan, USA
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