September weather forecast
Saugatuck, MI

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Weather in September

The first month of the autumn, September, is also an agreeable month in Saugatuck, Michigan, with an average temperature varying between 70.3°F (21.3°C) and 58.3°F (14.6°C).

Temperature

Saugatuck observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 75.7°F (24.3°C) to an agreeable 70.3°F (21.3°C). An average minimum temperature of 58.3°F (14.6°C) marks the month of September.

Humidity

In Saugatuck, the average relative humidity in September is 77%.

Rainfall

In Saugatuck, during September, the rain falls for 14.3 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Saugatuck, there are 151.7 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Saugatuck, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:27 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Saugatuck, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 70.3°F (21.3°C) and a low-temperature of 58.3°F (14.6°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How many days does it rain in September?

In Saugatuck, during September, the rain falls for 14.3 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Saugatuck have in September?

In September, the average day length is 12h and 29min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Saugatuck have in September?

In September, the average sunshine duration in Saugatuck is 8.5h.

How high is the UV index in September?

In Saugatuck, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Saugatuck, MI

Average temperature in September - Saugatuck, MI
  • Average high temperature in September: 70.3°F

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 58.3°F

The months with the highest average low temperature are July and August (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in September
Saugatuck, MI

Average pressure in September - Saugatuck, MI
  • Average pressure in September: 30.03"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).

Average wind speed in September
Saugatuck, MI

Average wind speed in September - Saugatuck, MI
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in September
Saugatuck, MI

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

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in September
Saugatuck, MI

Average rainfall in September - Saugatuck, MI
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in September
Saugatuck, MI

Average rainfall days in September - Saugatuck, MI
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in September
Saugatuck, MI

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

The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Saugatuck, MI

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

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
Saugatuck, MI

Average sunshine days in September - Saugatuck, MI
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is January (7.2 days).

Average UV index in September
Saugatuck, MI

Average UV index in September - Saugatuck, MI
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Saugatuck, MI

Average cloud cover in September - Saugatuck, MI
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 25).

Average visibility in September
Saugatuck, MI

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

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

Saugatuck, Michigan, USA

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