September weather forecast and climate
Lansing, MI

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

September, the first month of the autumn, in Lansing, is also an agreeable month, with average temperature varying between 71.4°F (21.9°C) and 52.7°F (11.5°C).

Temperature

In Lansing, the average high-temperature in September marginally drops, from a moderately hot 77.7°F (25.4°C) in August, to a pleasant 71.4°F (21.9°C). The average low-temperature, in Lansing, is 52.7°F (11.5°C).

Humidity

The average relative humidity in Lansing is 79%.

Rainfall

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

Snowfall

June through September are months without snowfall.

Daylight

In Lansing, the average length of the day in September is 12.5h.

Sunshine

In Lansing, the average sunshine is 8h.

UV index

In Lansing, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Lansing?

In September, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Lansing?

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

How much does it rain in Lansing in September?

In Lansing, Michigan, in September, it is raining for 11.8 days, with typically 1.54" (39mm) of accumulated precipitation.

Does it snow in Lansing in September?

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

When it does not snow in Lansing?

June through September are months without snowfall.

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

The average length of the day in September is 12.5h.

How many hours of sunshine does Lansing have in September?

In September, the average sunshine in Lansing is 8h.

What is the UV index reading in September in Lansing?

In Lansing, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is March (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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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").
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).
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: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.7h).

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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

Months with the highest UV index are May, June, July and August (UV index 5).
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

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

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