Lansing, MI

Michigan · Records since 1863–2026

🌙 51°F Feels like 48°
Currently in Lansing
As of 10:15 PM

Records for September 26

🔥 Record High

92°F

September 26, 2017

+22° from 70° normal

❄ Record Low

27°F

September 26, 1966

-21° from 48° normal
🌞 Normal high: 70°F 🌑 Normal low: 48°F 1991–2020 normals

All-Time Records — Lansing

🔥
103°F
Hottest Day Ever
Jul 6, 2012
❄
-37°F
Coldest Day Ever
Feb 2, 1868
🌧
5.47"
Wettest Day Ever
Jun 6, 1905
☃
15.4"
Most Snow in One Day
Jan 26, 1967

First & Last Dates — Lansing

How early and how late each seasonal turning point has ever arrived, across the full period of record

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Range ever recorded Normal date (1991–2020)
193 days
Longest growing season
2016
67 days
Shortest growing season
1894
154 days
Normal growing season
1991–2020 average

Top 10 Record Highs — September 26

# Temp Date
🏆 92°F September 26, 2017
2 89°F September 26, 1998
3 88°F September 26, 1908
4 86°F September 26, 1999
5 86°F September 26, 1920
6 85°F September 26, 1973
7 84°F September 26, 1934
8 83°F September 26, 1935
9 83°F September 26, 1901
10 83°F September 26, 1895

Top 5 Record Lows — September 26

# Temp Date
🥶 27°F September 26, 1966
2 27°F September 26, 1893
3 27°F September 26, 1867
4 27°F September 26, 1863
5 29°F September 26, 1965
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1863–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Lansing

threshold: 90°F (90th percentile of historical Jun–Aug highs)
4.1
Avg heat wave length
days (historical)
95°
Avg peak temp
during heat waves
8
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far

Days ≥ 90°F Per Year

1863–2026
12
2026 so far
11
Avg/year 1970–2025
13
Avg/year (last 10 complete)
44
Most in a year (1895)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Lansing

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jun 29, 1897 – Jul 10, 1897 12 100°F (Jul 8) 95°F 61°F
2 Aug 26, 1973 – Sep 4, 1973 10 99°F (Aug 28) 95°F 70°F
3 Jul 22, 1916 – Jul 30, 1916 9 102°F (Jul 29) 96°F 66°F
4 Jul 10, 1868 – Jul 18, 1868 9 101°F (Jul 17) 97°F 65°F
5 Aug 26, 1953 – Sep 3, 1953 9 96°F (Aug 31) 94°F 68°F
6 Jun 30, 2012 – Jul 7, 2012 8 103°F (Jul 6) 96°F 69°F
7 Jul 7, 1936 – Jul 14, 1936 8 101°F (Jul 14) 97°F 69°F
8 Jun 23, 1870 – Jun 30, 1870 8 99°F (Jun 25) 96°F 61°F
9 Jul 29, 1955 – Aug 5, 1955 8 99°F (Aug 2) 94°F 72°F
10 Jul 29, 1887 – Aug 5, 1887 8 98°F (Aug 3) 93°F 61°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

49
2026 total
above-normal nights
38.8
Avg / summer
1970–2020
65
Most in a summer
2010

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Annual totals and trend across the full period of record · see this year's standing →

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1863–2026)

Blue = above average · tan = below average · gold = 2026 (partial)
Since 1863, annual totals have trended +0.17" per decade, about +2.8" across the record.

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

This Year — 2026

How Lansing is tracking against normal, year to date

Daily High Temperature vs Normal

Above normal Below normal

133 of 267 days with data were above the 1991–2020 normal high for their date.

Precipitation, Year to Date

28.07"
2026 YTD
Normal: 25.23"
+2.84"
3.81"
September so far
September normal: 2.81"
+1.00"
7
2026 heavy rain days
Days with ≥ 1.0"

Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Lansing is 2.84" ahead of the normal pace

Period Review — Sep 1 – Sep 25, 2026

Any window, evaluated against every other year on record — 25 days

Quick picks: Last 7 days Last 30 days Last 90 days This month
Seasons: Spring (Mar–May) Summer (Jun–Aug) Fall (Sep–Nov)
65.5°F
Average temperature
30th-warmest of 162
+2.3°
vs. average
Normal: 63.2°F (1991–2020)

Average Temperature by Year — Sep 1 – Sep 25

1863–2026 · 2026 highlighted · trend +0.21° per decade (warming since 1863)

Precipitation by Year — Sep 1 – Sep 25

1863–2025 · 2026 highlighted · trend +0.01" per decade (wetter since 1863)

Warmest Sep 1 – Sep 25 on Record

# Year Avg Temp
1 1881 69.0°F
2 1931 68.9°F
3 1961 68.9°F
4 1906 68.8°F
5 2005 68.6°F
6 2018 68.1°F
7 1908 67.9°F
8 2019 67.6°F
9 2016 67.5°F
10 1921 67.5°F

Coolest Sep 1 – Sep 25 on Record

# Year Avg Temp
1 1879 53.0°F
2 1866 54.0°F
3 1863 54.4°F
4 1868 54.6°F
5 1873 55.0°F
6 1918 55.4°F
7 1896 56.4°F
8 1883 56.7°F
9 1885 56.7°F
10 1975 56.7°F
About this data. Pick any start and end date and this becomes the same kind of review as the Month and Fall tabs, just for exactly the window you asked for — the generalized version of the same engine, evaluated across every year on record. Average temperature is the mean of each day's (high + low) / 2; precipitation is the sum of daily totals. A year missing more than about a fifth of the window's days is excluded from the temperature ranking; any missing day excludes a year from the precipitation ranking, since an unreported day is unreported rain. Ranges that cross from December into January aren't supported yet. Normals are the 1991–2020 mean for the same window.
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