September weather forecast
Michigan City, IN

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Weather in September

September brings the beginning of autumn to Michigan City, Indiana, with a noticeable drop in temperatures. The weather remains relatively warm at the beginning of the month before gradually cooling down. Another notable weather pattern this month is a drop in rainfall to 2.2" (56mm), which marks a transition towards the drier upcoming seasons. The number of daylight hours begins to recede, signaling a shift from the long summer days. Regardless, it is an ideal time to enjoy the outdoors with the comfortable autumn weather.

Temperature

As Michigan City steps into September, the average high-temperature is measured at an agreeable 71.6°F (22°C), displaying minor differences from August's 76.6°F (24.8°C). In Michigan City, September is marked by an average low-temperature of 59°F (15°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Michigan City, during September, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Michigan City, there are 159.1 rainfall days, and 27.13" (689mm) of precipitation is accumulated.

Snowfall

In Michigan City, Indiana, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September in Michigan City, sunrise is at 6:14 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Michigan City is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the average September temperature in Michigan City?

The high-temperature in Michigan City, Indiana, during September is 71.6°F (22°C) and the low-temperature is 59°F (15°C).

What is the average humidity in September in Michigan City?

In September, the average relative humidity is 78%.

How much does it rain in Michigan City in September?

In Michigan City, in September, it is raining for 13.5 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Michigan City?

In Michigan City, snow does not fall in May through October.

What is the average length of the day in September in Michigan City?

In September, the average day length is 12h and 28min.

When are sunrise and sunset in September in Michigan City?

On the first day of September in Michigan City, Indiana, sunrise is at 6:14 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Michigan City have in September?

In September, the average sunshine duration in Michigan City is 9h.

How high is the UV index in September in Michigan City?

The average daily maximum UV index in September in Michigan City is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Michigan City, IN

Average temperature in September - Michigan City, IN
  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in September
Michigan City, IN

Average pressure in September - Michigan City, IN
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Michigan City, IN

Average wind speed in September - Michigan City, IN
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in September
Michigan City, IN

Average humidity in September - Michigan City, IN
  • Average humidity in September: 78%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Michigan City, IN

Average rainfall in September - Michigan City, IN
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is February (1.3").

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Average rainfall days in September
Michigan City, IN

Average rainfall days in September - Michigan City, IN
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in September
Michigan City, IN

Average snowfall in September - Michigan City, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Michigan City, IN

Average snowfall days in September - Michigan City, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Michigan City, IN

Average daylight in September / Average sunshine in September - Michigan City, IN
  • 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 12min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in September
Michigan City, IN

Average sunshine days in September - Michigan City, IN
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is January (9.1 days).

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Average UV index in September
Michigan City, IN

Average UV index in September - Michigan City, IN
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Michigan City, IN

Average cloud cover in September - Michigan City, IN
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Michigan City, IN

Average visibility in September - Michigan City, IN
  • 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).

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Michigan City, Indiana, USA

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