September weather forecast
Boon, MI

Share

Weather in September

The first month of the autumn, September, is still a pleasant month in Boon, Michigan, with an average temperature ranging between max 69.4°F (20.8°C) and min 50.7°F (10.4°C).

Temperature

A mild drop in Boon's average high-temperature is observed in September, transitioning from a warm 76.5°F (24.7°C) in August to a pleasant 69.4°F (20.8°C). September nights cool down to an average low-temperature of 50.7°F (10.4°C).

Humidity

The average relative humidity in September in Boon is 80%.

Rainfall

In Boon, in September, it is raining for 13.6 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Boon, there are 146.4 rainfall days, and 27.05" (687mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Boon, Michigan.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September in Boon, sunrise is at 7:06 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:24 pm EDT.

Sunshine

In Boon, the average sunshine in September is 7.8h.

UV index

In Boon, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
[Resources]

Frequently asked questions

What is the temperature in September in Boon?

An average high-temperature, in September, in Boon, is 69.4°F (20.8°C) and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in September in Boon?

The average relative humidity in September in Boon is 80%.

How much does it rain in Boon in September?

In Boon, Michigan, in September, it is raining for 13.6 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow in Boon?

In Boon, snow does not fall in June through September.

Does it snow in Boon in September?

In Boon, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Boon?

The average day length in September in Boon, Michigan, is 12h and 30min.

When is the sunrise / sunset in September in Boon?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:24 pm EDT.

How long on average sun shines in September in Boon?

In September, the average sunshine duration in Boon is 7.8h.

What is the UV index reading in September in Boon?

In Boon, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Boon, MI

Average temperature in September - Boon, MI
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in September: 50.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

[Resources]

Average pressure in September
Boon, MI

Average pressure in September - Boon, MI
  • Average pressure in September: 30.02"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).

[Resources]

Average wind speed in September
Boon, MI

Average wind speed in September - Boon, MI
  • Average wind speed in September: 7.3mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

[Resources]

Average humidity in September
Boon, MI

Average humidity in September - Boon, MI
  • Average humidity in September: 80%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (75%).

[Resources]

Average rainfall in September
Boon, MI

Average rainfall in September - Boon, MI
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.65").

[Resources]

Average rainfall days in September
Boon, MI

Average rainfall days in September - Boon, MI
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

[Resources]

Average snowfall in September
Boon, MI

Average snowfall in September - Boon, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Boon, MI

Average snowfall days in September - Boon, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Boon, MI

Average daylight in September / Average sunshine in September - Boon, MI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).

[Resources]

Average sunshine days in September
Boon, MI

Average sunshine days in September - Boon, MI
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (6 days).

[Resources]

Average UV index in September
Boon, MI

Average UV index in September - Boon, MI
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

[Resources]

Average cloud cover in September
Boon, MI

Average cloud cover in September - Boon, MI
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).

[Resources]

Average visibility in September
Boon, MI

Average visibility in September - Boon, MI
  • Average visibility in September: 5mi

The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

[Resources]

Boon, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location