Cadillac weather in September: Cadillac, Michigan: normal highs, lows, rain and records for September
Cadillac in September has a normal high of 70°F and a normal low of 48°F, a daily mean of 59°F, falling from 75°F on the 1st to 64°F by the 30th. Measurable precipitation falls on 12 days in a normal September, 3.16 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 9°C, 80 mm of precipitation in September.
- NOAA stationCadillac
- Station IDUSW00014817
- Location44.27°N 85.40°W
- Elevation1,295 ft (395 m)
- Population10,521
- Jan 27° 12°
- Feb 30° 13°
- Mar 40° 20°
- Apr 53° 31°
- May 66° 43°
- Jun 76° 53°
- Jul 80° 58°
- Aug 78° 55°
- Sep 70° 48°
- Oct 56° 37°
- Nov 43° 28°
- Dec 32° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cadillac in September?
The normal high is 70°F and the normal low 48°F, for a daily mean of 59.0°F. September is 7.6°F cooler than August and 12.2°F warmer than October. September is the 4th warmest month of the year in Cadillac and the 7th wettest. Across the month the normal high falls 11°F, from 75°F on September 1 to 64°F on September 30. From one year to the next September's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 56°F and 62°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 75°F | 52°F | 38% | 21% |
| September 8 | 73°F | 50°F | 39% | 22% |
| September 15 | 71°F | 48°F | 41% | 23% |
| September 22 | 68°F | 46°F | 44% | 25% |
| September 30 | 64°F | 43°F | 47% | 26% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 75°F | 52°F | 38% | 21% | 13 h 20 min |
| September 2 | 75°F | 52°F | 38% | 21% | 13 h 10 min |
| September 3 | 75°F | 52°F | 38% | 22% | 13 h 10 min |
| September 4 | 75°F | 52°F | 38% | 22% | 13 h 10 min |
| September 5 | 74°F | 51°F | 38% | 22% | 13 h 10 min |
| September 6 | 74°F | 51°F | 39% | 22% | 13 h |
| September 7 | 74°F | 51°F | 39% | 22% | 13 h |
| September 8 | 73°F | 50°F | 39% | 22% | 13 h |
| September 9 | 73°F | 50°F | 40% | 23% | 12 h 50 min |
| September 10 | 73°F | 50°F | 40% | 23% | 12 h 50 min |
| September 11 | 72°F | 49°F | 40% | 23% | 12 h 50 min |
| September 12 | 72°F | 49°F | 40% | 23% | 12 h 40 min |
| September 13 | 72°F | 49°F | 41% | 23% | 12 h 40 min |
| September 14 | 71°F | 48°F | 41% | 23% | 12 h 40 min |
| September 15 | 71°F | 48°F | 41% | 23% | 12 h 40 min |
| September 16 | 71°F | 48°F | 42% | 24% | 12 h 30 min |
| September 17 | 70°F | 47°F | 42% | 24% | 12 h 30 min |
| September 18 | 70°F | 47°F | 42% | 24% | 12 h 30 min |
| September 19 | 69°F | 47°F | 43% | 24% | 12 h 20 min |
| September 20 | 69°F | 46°F | 43% | 24% | 12 h 20 min |
| September 21 | 68°F | 46°F | 44% | 25% | 12 h 20 min |
| September 22 | 68°F | 46°F | 44% | 25% | 12 h 10 min |
| September 23 | 67°F | 45°F | 45% | 25% | 12 h 10 min |
| September 24 | 67°F | 45°F | 45% | 25% | 12 h 10 min |
| September 25 | 66°F | 45°F | 45% | 25% | 12 h 10 min |
| September 26 | 66°F | 44°F | 46% | 25% | 12 h |
| September 27 | 65°F | 44°F | 46% | 26% | 12 h |
| September 28 | 65°F | 43°F | 47% | 26% | 12 h |
| September 29 | 64°F | 43°F | 47% | 26% | 11 h 50 min |
| September 30 | 64°F | 43°F | 47% | 26% | 11 h 50 min |
- Normal high
- 70°FSeptember average
- Normal low
- 48°FSeptember average
- Precipitation
- 3.16 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 17
- Days at 80°F or more
- 5
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014817; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cadillac in September?
On a given September day the chance of 0.01 inch or more is 42% on average, highest around September 30 (47%). In all, 3.16 in falls on 12 days of a normal September.
In a normal September in Cadillac, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014817.
What are the records for September in Cadillac?
The warmest September temperature on this station's record (since 1909) is 96°F, on September 1, 1953; the coldest is 19°F, on September 27, 1947. The wettest September brought 12.25 in (1986); the snowiest, 1.5 inches (1942).
The September mean against the 1991-2020 normal of 59.0°F: 2021 59.5°F (+0.5), 2022 59.4°F (+0.4), 2023 60.4°F (+1.4), 2024 61.3°F (+2.3), 2025 59.7°F (+0.7). 5 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.5°F | +0.5°F | 3.33 in |
| 2022 | 59.4°F | +0.4°F | 2.52 in |
| 2023 | 60.4°F | +1.4°F | 0.90 in |
| 2024 | 61.3°F | +2.3°F | 1.79 in |
| 2025 | 59.7°F | +0.7°F | 1.67 in |
Source: records: ACIS, station USW00014817; recent months: ACIS, station USW00014817. Records and recent months use complete months only.
How does September in Cadillac compare across Michigan?
Across the 140 places PlainClimate covers in Michigan, September normal highs run from 65°F in Munising to 76°F in Eau Claire; Cadillac's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.