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 arrival of September brings an average high-temperature of a refreshing 66.4°F (19.1°C), subtly diverging from August's 71.6°F (22°C). Harbor Beach registers a steady nighttime temperature averaging 59.5°F (15.3°C) throughout September.Humidity
September through November, with an average relative humidity of 77%, are the least humid months.Rainfall
In Harbor Beach, in September, during 13.7 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Harbor Beach, during the entire year, the rain falls for 147 days and collects up to 25.67" (652mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Harbor Beach is 12h and 29min.On the first day of September, sunrise is at 6:54 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine in Harbor Beach, Michigan, is 8.4h.UV index
In Harbor Beach, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Warding off sunburn is urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the least humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Harbor Beach, MI
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is August (71.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Harbor Beach, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Harbor Beach, MI
- Average wind speed in September: 11.4mph
The windiest months (with the highest average wind speed) are January and December (15.8mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in September
Harbor Beach, MI
- Average humidity in September: 77%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September, October and November (77%).
Average rainfall in September
Harbor Beach, MI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Harbor Beach, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Harbor Beach, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Harbor Beach, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harbor Beach, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Harbor Beach, MI
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is June (13.8 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Harbor Beach, MI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Harbor Beach, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Harbor Beach, 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).
Harbor Beach, Michigan, USA
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