Ingham County (Lansing)
September
Weather in Ingham County, Michigan for September 2026
Your guide to Ingham County weather in September - trends and predictions
Until now, September 2026 in Ingham County is slightly cooler than the historical average by 0.6 °F.
The forecast for the next days in Ingham County predicts a temperature of 18.4 °F, which is cooler than the historical average.
In general, the average temperature in Ingham County at the beginning of September is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °F by the end of September.
Ingham County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 47.3 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
24°/13°
Temperatures
18 km/h
Avg max wind
69 %
Avg humidity
Ingham County Weather September
Move between months or click on a day
Temperatures trend during September in Ingham County
See the weather trend as well as the moving average line
September weather in Ingham County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /15° | 0.1 mm | 6 | |
| Sept. 2 | Sunny | 28° /14° | 0 mm | 6 | |
| Sept. 3 | Sunny | 27° /15° | 43.9 mm | 6 | |
| Sept. 4 | Sunny | 24° /12° | 116.3 mm | 5 | |
| Sept. 5 |  Partly cloudy | 25° /13° | 1.7 mm | 4 | |
| Sept. 6 |  Light rain shower | 21° /11° | 1.6 mm | 5 | |
| Sept. 7 |  Cloudy | 21° /8° | 0 mm | 5 | |
| Sept. 8 | Sunny | 24° /7° | 0 mm | 4 | |
| Sept. 9 | Sunny | 25° /13° | 4.7 mm | 5 | |
| Sept. 10 |  Overcast | 26° /13° | 0 mm | 5 | |
| Sept. 11 | Partly cloudy | 28° /12° | 0 mm | 7 | |
| Sept. 12 | Sunny | 29° /14° | 0 mm | 7 | |
| Sept. 13 | Sunny | 26° /14° | 0 mm | 6 | |
| Sept. 14 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /14° | 2.9 mm | 5 | |
| Sept. 16 | Sunny | 26° /14° | 0 mm | 5 | |
| Sept. 17 | Sunny | 26° /15° | 0.2 mm | 5 | |
| Sept. 18 |  Mist | 26° /14° | 0 mm | 6 | |
| Sept. 19 | Fog | 22° /13° | 9.6 mm | 4 | |
| Sept. 20 | Mist | 22° /13° | 1.7 mm | 4 | |
| Sept. 21 | Fog | 21° /13° | 17.7 mm | 4 | |
| Sept. 22 |  Moderate rain at times | 22° /14° | 4 mm | 4 | |
| Sept. 23 | Overcast | 25° /16° | 0 mm | 6 | |
| Sept. 24 | Sunny | 21° /11° | 0 mm | 5.2 | |
| Sept. 25 | Overcast | 19° /10° | 0 mm | 3.9 | |
| Sept. 26 | Sunny | 21° /8° | 0 mm | 5.1 | |
| Sept. 27 | Sunny | 21° /9° | 0 mm | 5 | |
| Sept. 28 | Sunny | 22° /15° | 0 mm | 6 | |
| Sept. 29 | Sunny | 23° /14° | 0 mm | 6 | |
| Sept. 30 | Patchy rain possible | 18° /11° | 5.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Ingham County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ingham County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ingham County in September - FAQ
What are the expected maximum and minimum temperatures in Ingham County during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ingham County during September?
In September, Ingham County can expect light to moderate rainfall, totaling 47.3 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Ingham County during September?
The average wind speed in Ingham County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Ingham County
Explore the daily rainfall trends and prepare for Ingham Countys September weather 💧
Typically, Ingham County has 6 rainy days in September with a total of 47.3 mm of rainfall.
UV exposure in Ingham County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Ingham County
Select a location for an accurate weather forecast
More Locations Quick links
More Ingham County weather pages
You are here
Where is Ingham County?Get accurate weather forecasts for Ingham County, located at latitude 42.733 and longitude -84.556. Stay updated with localized weather information tailored for Ingham County.
Found a mistake?
We appreciate your attention to details. Tell us here.