September weather forecast
Gustin, MI

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Weather in September

September, the first month of the autumn in Gustin, is still a pleasant month, with an average temperature ranging between min 55.4°F (13°C) and max 68°F (20°C).

Temperature

In September, the average high-temperature marginally decreases from a warm 74.5°F (23.6°C) in August to an agreeable 68°F (20°C). An average low-temperature of 55.4°F (13°C) is recorded during the nights in September.

Humidity

In September, the average relative humidity in Gustin 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

June through September are months without snowfall.

Daylight

In September, the average length of the day 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

The average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 3 in September translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Gustin, is 68°F (20°C), while the average low-temperature is 55.4°F (13°C).

What is the average humidity in September?

In September, the average relative humidity 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 many days does it rain in September?

In Gustin, in September, it is raining for 11.6 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Gustin have in September?

In Gustin, 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 Gustin have in September?

In September, the average sunshine duration is 8.2h.

How high is the UV index in September in Gustin?

In Gustin, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Gustin, MI

Average temperature in September - Gustin, 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
Gustin, MI

Average pressure in September - Gustin, 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
Gustin, MI

Average wind speed in September - Gustin, 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
Gustin, MI

Average humidity in September - Gustin, 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
Gustin, MI

Average rainfall in September - Gustin, 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
Gustin, MI

Average rainfall days in September - Gustin, 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
Gustin, MI

Average snowfall in September - Gustin, 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
Gustin, MI

Average snowfall days in September - Gustin, 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
Gustin, MI

Average daylight in September / Average sunshine in September - Gustin, 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
Gustin, MI

Average sunshine days in September - Gustin, 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
Gustin, MI

Average UV index in September - Gustin, 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
Gustin, MI

Average cloud cover in September - Gustin, 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
Gustin, MI

Average visibility in September - Gustin, 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).

Gustin, Michigan, USA

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