September weather forecast
Otsego, MI

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Weather in September

September, the first month of the autumn in Otsego, is still a pleasant month, with an average temperature fluctuating between 72.5°F (22.5°C) and 54°F (12.2°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 78.3°F (25.7°C) in August to a pleasant 72.5°F (22.5°C). Nighttime temperatures in Otsego hover around an average low of 54°F (12.2°C) in September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Otsego, in September, it is raining for 11.5 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in September in Otsego is 12h and 28min.
On the first day of September, sunrise is at 7:08 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:25 pm EDT.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In Otsego, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Otsego in September?

The average high-temperature, in September, in Otsego, is 72.5°F (22.5°C), while the average low-temperature is 54°F (12.2°C).

What is the average humidity in September in Otsego?

In Otsego, the average relative humidity in September is 78%.

How much does it rain in Otsego in September?

In Otsego, Michigan, in September, it is raining for 11.5 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Otsego?

June through October are months without snowfall in Otsego, Michigan.

How many hours of daylight does Otsego have in September?

The average day length in September is 12h and 28min.

What time are sunrise and sunset in September in Otsego?

On the first day of September in Otsego, sunrise is at 7:08 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:25 pm EDT.

How long on average sun shines in September in Otsego?

The average sunshine duration in September is 8.1h.

How high is the UV index in September in Otsego?

The average daily maximum UV index in September in Otsego, Michigan, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Otsego, MI

Average temperature in September - Otsego, MI
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Otsego, MI

Average pressure in September - Otsego, MI
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Otsego, MI

Average wind speed in September - Otsego, MI
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September
Otsego, MI

Average humidity in September - Otsego, MI
  • Average humidity in September: 78%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in September
Otsego, MI

Average rainfall in September - Otsego, MI
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are February and November (1.02").

Average rainfall days in September
Otsego, MI

Average rainfall days in September - Otsego, MI
  • Average rainfall days in September: 11.5 days

The months with the highest number of rainy days are May and October (15.4 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in September
Otsego, MI

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Otsego, MI

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

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
Otsego, MI

Average sunshine days in September - Otsego, MI
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (9.5 days).

Average UV index in September
Otsego, MI

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

The months with the highest UV index are June, 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
Otsego, MI

Average cloud cover in September - Otsego, MI
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in September
Otsego, MI

Average visibility in September - Otsego, 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).

Otsego, Michigan, USA

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