Lansing, MI weather in September
In September, Lansing sees highs around 74°F and lows around 52°F: mild, with frequent rain. There are about 10 days with rain. Great for outdoor plans.
- Normal high
- 74°F
- Normal low
- 52°F
- Wet days
- 10
- 2.8 in total
- Muggy days
- 2
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 78°F | 68°F |
| Normal low | 57°F | 46°F |
| Chance of a wet day | 32% | 36% |
| Sunrise / sunset | 7:03 am / 8:13 pm | 7:34 am / 7:21 pm |
| Daylight | 13.2 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am54°Fdew point 51°F
- 9 am62°Fdew point 54°F
- Noon69°Fdew point 54°F
- 3 pm71°Fdew point 53°F
- 6 pm68°Fdew point 53°F
- 9 pm60°Fdew point 53°F
NOAA hourly normals (local standard time) from Lansing Capital City Airport (4 mi away); average wind 7 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 47%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more2 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below1 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 2.8 in; a dry September brings about 1.6 in and a wet one about 3.3 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202002: average high 79°F
- Coolest September1993: average high 66°F
- Wettest September2008: 8.2 in
- Driest September2002: 0.7 in
- Highest reading95°F (September 21, 2017)
- Lowest reading22°F (September 28, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 81°F | 74°F | 61°F |
| Normal low | 60°F | 52°F | 41°F |
| Wet days | 10 | 10 | 12 |
| Comfortable days | 10 | 16 | 10 |
| Daylight | 13.9 h | 12.5 h | 11.0 h |
Highs change by -7°F from August and -13°F into October.
Nearby alternatives in September
- Warmer: Dayton, OH206 mi · high 79°F · 8 wet days
- Drier: Carmel, IN207 mi · high 77°F · 7 wet days
- Cooler: Sister Bay, WI212 mi · high 68°F · 10 wet days
How Lansing ranks in September
- Normal high305th warmest of 378 cities; 6th of 8 in Michigan
- Wet days315th driest of 378
- Comfortable days48th most of 342
What to pack for Lansing in September
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
September has 140 heating degree days and 66 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Lansing in September?
The normal high is 74°F and the normal low is 52°F. From 1991 to 2020 the hottest September reading was 95°F (September 21, 2017).
Does it rain a lot in Lansing in September?
About 10 days in September have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest September in 1991-2020 was in 2008 (8.2 in); the driest was in 2002 (0.7 in).
Is September a good time to visit Lansing?
September ranks 3rd of 12 months on our comfort score for Lansing (70 out of 100). It has about 16 comfortable days and about 1 day at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Lansing Capital City Airport (USW00014836), 3.5 mi NNW of the city center, 841 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Capital City Airport (725390-14836), 3.8 mi NW of the city center, 857 ft . Hourly observations, 1991-2020.