Lansing
Michigan, USA
Long-term weather forecast
Long-term weather forecast

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
The first month of the autumn, September, is still a pleasant month in Lansing, Michigan, with average temperature fluctuating between 72.7°F (22.6°C) and 51.3°F (10.7°C).

Temperature

In Lansing, Michigan, the average high-temperature marginally drops, from a warm 80.1°F (26.7°C) in August, to a pleasant 72.7°F (22.6°C). In September, in Lansing, the average low-temperature is 51.3°F (10.7°C).

Humidity

In Lansing, Michigan, the average relative humidity is 77.5%.

Rainfall

The month with the most rainfall in Lansing is September when the rain falls for 10.7 days and typically aggregates up to 3.5" (88.9mm) of precipitation.

Snowfall

May through September are months without snowfall in Lansing.

Daylight

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

Sunshine

In Lansing, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in September in Lansing?

In September, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 51.3°F (10.7°C).

What is the average humidity in September in Lansing?

The average relative humidity in September in Lansing, Michigan, is 77.5%.

How many days does it rain in September in Lansing?

In September, the rain falls for 10.7 days. Throughout September, 3.5" (88.9mm) of precipitation is accumulated.

What is the wettest month in Lansing?

September is the month with the most rainfall in Lansing. Rain falls for 10.7 days and accumulates 3.5" (88.9mm) of precipitation.

Does it snow in Lansing in September?

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

When it does not snow in Lansing?

May through September are months without snowfall in Lansing, Michigan.

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

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

How many hours of sunshine does Lansing have in September?

In Lansing, the average sunshine in September is 7.3h.

What is the UV index reading in September in Lansing?

In Lansing, Michigan, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Lansing, MI
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.1°F).

  • Average low temperature in September: 51.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.8°F).

Average humidity in September - Lansing, MI
  • Average humidity in September: 77.5%

The month with the highest relative humidity is December (81.1%).
The month with the lowest relative humidity is May (66.7%).

Average rainfall in September - Lansing, MI
  • Average rainfall in September: 3.5"

Wettest months (with the highest rainfall) are June and September (3.5").
The driest month (with the lowest rainfall) is February (1.5").

Average rainfall days in September - Lansing, MI
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is December (13.9 days).
The month with the lowest number of rainy days is July (9.5 days).

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

The month with the highest snowfall is January (13.8").
Months with the lowest snowfall are May, June, July, August and September (0").

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 (12.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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 shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 7.3h

The month with most sunshine is July (Average sunshine: 10.3h).
The month with least sunshine is December (Average sunshine: 2.6h).

Average UV index in September - Lansing, MI
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).