September weather forecast
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 an average temperature fluctuating between 52.7°F (11.5°C) and 71.4°F (21.9°C).

Temperature

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

Humidity

In September, the average relative humidity in Lansing is 79%.

Rainfall

In Lansing, Michigan, 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

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

Daylight

In Lansing, Michigan, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 7:03 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:21 pm EDT.

Sunshine

The average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Lansing?

In Lansing, the average relative humidity in September is 79%.

How much does it rain in Lansing in September?

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

When it does not snow in Lansing?

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

Does it snow in Lansing in September?

In Lansing, Michigan, 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 is 12h and 29min.

When are sunrise and sunset in September in Lansing?

On the first day of September, sunrise is at 7:03 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:21 pm EDT.

How long on average sun shines in September in Lansing?

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

What is the UV index intensity in September in Lansing?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
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 29min

The month with the longest days is June (Average daylight: 15h and 17min).
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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