September weather forecast
Lansing, MI

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The Capitol building in Lansing, Michigan, hosting the legislative arm of the US government
The Capitol building in Lansing, Michigan, hosting the legislative arm of the US government

Weather in September

Entering the beginning of fall, September in Lansing sees a considerable dip in temperatures. A high of 71.4°F (21.9°C) and a low of 52.7°F (11.5°C) are remarkable, alongside the absence of snowfall, marking the transition into autumn. The gradually shortening daylight hours and the falling leaves make the city a scenic place. Although rainfall increases slightly, the charm of the changing season is not compromised.

Temperature

Lansing's September weather shows a modest shift in high-temperatures, falling from August's warm 77.7°F (25.4°C) to an agreeable 71.4°F (21.9°C). The temperature in Lansing lowers to an average of 52.7°F (11.5°C) during September nights.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 11.8 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Lansing, during the entire year, the rain falls for 144.6 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Lansing is 12h and 29min.
On the first day of September, sunrise is at 7:03 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:20 pm EDT.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Lansing is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the temperature in September in Lansing?

The average high-temperature and low-temperature in Lansing, Michigan, during September are 71.4°F (21.9°C) and 52.7°F (11.5°C) respectively.

What is the average humidity in September in Lansing?

The average relative humidity in September in Lansing, Michigan, is 79%.

How many days does it rain in September in Lansing?

In Lansing, Michigan, in September, during 11.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Lansing?

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

Does it snow in Lansing in September?

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

What is the average length of the day in September in Lansing?

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

When is the sunrise / sunset in September in Lansing?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Lansing have in September?

In September, the average sunshine duration is 8h.

What is the UV index intensity in September in Lansing?

In September, the average daily maximum UV index in Lansing is 3. A UV Index reading 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
Lansing, MI

Average temperature in September - Lansing, MI
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in September
Lansing, MI

Average pressure in September - Lansing, 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
Lansing, MI

Average wind speed in September - Lansing, MI
  • Average wind speed in September: 7.3mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
Lansing, MI

Average humidity in September - Lansing, MI
  • Average humidity in September: 79%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Lansing, MI

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

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days in September
Lansing, MI

Average rainfall days in September - Lansing, MI
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in September
Lansing, MI

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

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lansing, MI

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

The month with the highest number of snowfall days is January (16.2 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
Lansing, MI

Average daylight in September / Average sunshine in September - Lansing, 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 0min

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 42min).

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Average sunshine days in September
Lansing, MI

Average sunshine days in September - Lansing, MI
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (10.3 days).

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Average UV index in September
Lansing, MI

Average UV index in September - Lansing, 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
Lansing, MI

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

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in September
Lansing, MI

Average visibility in September - Lansing, MI
  • Average visibility in September: 5mi

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

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Lansing, Michigan, USA

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