September weather forecast
Killmaster, MI

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Weather in September

The first month of the autumn, September, is also an agreeable month in Killmaster, Michigan, with an average temperature fluctuating between 55.4°F (13°C) and 68°F (20°C).

Temperature

September brings a slight decrease in temperature, down from a warm 74.5°F (23.6°C) in August to a pleasant 68°F (20°C). September's nights observe an average temperature of 55.4°F (13°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.18" (30mm) of precipitation.

Snowfall

In Killmaster, Michigan, snow does not fall in June through September.

Daylight

In Killmaster, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:57 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:15 pm EDT.

Sunshine

In Killmaster, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Killmaster in September?

In Killmaster, 68°F (20°C) is the average high-temperature and 55.4°F (13°C) is the average low-temperature during September.

What is the average humidity in September in Killmaster?

The average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.18" (30mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 11.6 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Killmaster have in September?

In Killmaster, the average day length in September is 12h and 31min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Killmaster have in September?

The average sunshine duration in September is 8.2h.

How high is the UV index in September?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Killmaster, MI

Average temperature in September - Killmaster, MI
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in September
Killmaster, MI

Average pressure in September - Killmaster, MI
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Killmaster, MI

Average wind speed in September - Killmaster, MI
  • Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Killmaster, MI

Average humidity in September - Killmaster, MI
  • Average humidity in September: 77%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is May (74%).

Average rainfall in September
Killmaster, MI

Average rainfall in September - Killmaster, MI
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is September (1.18").

Average rainfall days in September
Killmaster, MI

Average rainfall days in September - Killmaster, MI
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in September
Killmaster, MI

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

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Killmaster, MI

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

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Killmaster, 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: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

Average sunshine days in September
Killmaster, MI

Average sunshine days in September - Killmaster, MI
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is January (8.7 days).

Average UV index in September
Killmaster, MI

Average UV index in September - Killmaster, 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 and December (UV index 1).

Average cloud cover in September
Killmaster, MI

Average cloud cover in September - Killmaster, MI
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in September
Killmaster, MI

Average visibility in September - Killmaster, MI
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Killmaster, Michigan, USA

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