September weather forecast
Caro, MI

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Weather in September

September, the first month of the autumn in Caro, is still a pleasant month, with an average temperature varying between 53.4°F (11.9°C) and 70.3°F (21.3°C).

Temperature

Caro observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 76.5°F (24.7°C) to a pleasant 70.3°F (21.3°C). Throughout September, Caro anticipates an average low-temperature of 53.4°F (11.9°C).

Humidity

In Caro, the average relative humidity in September is 80%.

Rainfall

In Caro, during September, the rain falls for 11.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Caro, during the entire year, the rain falls for 139.6 days and collects up to 21.3" (541mm) of precipitation.

Snowfall

In Caro, snow does not fall in May through September.

Daylight

In September, the average length of the day in Caro is 12h and 29min.
On the first day of the month, sunrise is at 6:58 am and sunset at 8:08 pm. On the last day of September, in Caro, sunrise is at 7:30 am and sunset at 7:15 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Caro is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are the temperatures in Caro in September?

In September, the average high-temperature and low-temperature in Caro are 70.3°F (21.3°C) and 53.4°F (11.9°C) respectively.

What is the average humidity in September in Caro?

In Caro, Michigan, the average relative humidity in September is 80%.

How many days does it rain in September in Caro?

In Caro, Michigan, in September, it is raining for 11.4 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Caro?

In Caro, snow does not fall in May through September.

Does it snow in Caro in September?

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

How many hours of daylight does Caro have in September?

The average day length in September in Caro is 12h and 29min.

What time are sunrise and sunset in September in Caro?

On the first day of September in Caro, sunrise is at 6:58 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:15 pm EDT.

How long on average sun shines in September in Caro?

The average sunshine duration in September in Caro, Michigan, is 7.8h.

What is the UV index reading in September in Caro?

In September, the average daily maximum UV index in Caro, Michigan, is 3. A UV Index value of 3 to 5 symbolizes 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
Caro, MI

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

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in September
Caro, MI

Average pressure in September - Caro, 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 (29.93"Hg).

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Average wind speed in September
Caro, MI

Average wind speed in September - Caro, MI
  • Average wind speed in September: 7.6mph

The windiest months (with the highest average wind speed) are January, February and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Caro, MI

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

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in September
Caro, MI

Average rainfall in September - Caro, MI
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in September
Caro, MI

Average rainfall days in September - Caro, MI
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is October (15.8 days).
The month with the least rainy days is February (5 days).

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Average snowfall in September
Caro, MI

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

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Caro, MI

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

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in September
Caro, MI

Average sunshine days in September - Caro, MI
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in September
Caro, MI

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

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

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Average cloud cover in September
Caro, MI

Average cloud cover in September - Caro, MI
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
Caro, MI

Average visibility in September - Caro, 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).

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Caro, Michigan, USA

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