Petoskey weather in September: Petoskey, Michigan: normal highs, lows, rain and records for September
Petoskey in September has a normal high of 69°F and a normal low of 51°F, a daily mean of 60°F, falling from 73°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 12 days in a normal September, 3.55 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 11°C, 90 mm of precipitation in September.
- NOAA stationPetoskey
- Station IDUSC00206507
- Location45.37°N 84.98°W
- Elevation599 ft (183 m)
- Population5,810
- Jan 27° 15°
- Feb 28° 14°
- Mar 37° 20°
- Apr 48° 32°
- May 61° 43°
- Jun 70° 53°
- Jul 75° 59°
- Aug 75° 59°
- Sep 69° 51°
- Oct 56° 41°
- Nov 44° 32°
- Dec 34° 23°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Petoskey in September?
The normal high is 69°F and the normal low 51°F, for a daily mean of 60.2°F. September is 6.6°F cooler than August and 11.6°F warmer than October. September is the 4th warmest month of the year in Petoskey and the 2nd wettest. Across the month the normal high falls 10°F, from 73°F on September 1 to 63°F on September 30. From one year to the next September's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 58°F and 63°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 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 73°F | 56°F | 37% | 23% |
| September 8 | 72°F | 54°F | 39% | 24% |
| September 15 | 70°F | 52°F | 41% | 26% |
| September 22 | 67°F | 49°F | 44% | 27% |
| September 30 | 63°F | 47°F | 48% | 29% |
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 | 73°F | 56°F | 37% | 23% | 13 h 20 min |
| September 2 | 73°F | 56°F | 37% | 23% | 13 h 20 min |
| September 3 | 73°F | 55°F | 37% | 23% | 13 h 10 min |
| September 4 | 73°F | 55°F | 38% | 23% | 13 h 10 min |
| September 5 | 72°F | 55°F | 38% | 23% | 13 h 10 min |
| September 6 | 72°F | 55°F | 38% | 24% | 13 h |
| September 7 | 72°F | 54°F | 39% | 24% | 13 h |
| September 8 | 72°F | 54°F | 39% | 24% | 13 h |
| September 9 | 71°F | 54°F | 39% | 24% | 13 h |
| September 10 | 71°F | 53°F | 40% | 25% | 12 h 50 min |
| September 11 | 71°F | 53°F | 40% | 25% | 12 h 50 min |
| September 12 | 71°F | 53°F | 40% | 25% | 12 h 50 min |
| September 13 | 70°F | 52°F | 41% | 25% | 12 h 40 min |
| September 14 | 70°F | 52°F | 41% | 25% | 12 h 40 min |
| September 15 | 70°F | 52°F | 41% | 26% | 12 h 40 min |
| September 16 | 69°F | 51°F | 41% | 26% | 12 h 30 min |
| September 17 | 69°F | 51°F | 42% | 26% | 12 h 30 min |
| September 18 | 68°F | 51°F | 42% | 26% | 12 h 30 min |
| September 19 | 68°F | 50°F | 43% | 26% | 12 h 20 min |
| September 20 | 68°F | 50°F | 43% | 27% | 12 h 20 min |
| September 21 | 67°F | 50°F | 44% | 27% | 12 h 20 min |
| September 22 | 67°F | 49°F | 44% | 27% | 12 h 10 min |
| September 23 | 66°F | 49°F | 44% | 27% | 12 h 10 min |
| September 24 | 66°F | 49°F | 45% | 27% | 12 h 10 min |
| September 25 | 66°F | 48°F | 45% | 28% | 12 h 10 min |
| September 26 | 65°F | 48°F | 46% | 28% | 12 h |
| September 27 | 65°F | 48°F | 46% | 28% | 12 h |
| September 28 | 64°F | 47°F | 47% | 28% | 12 h |
| September 29 | 64°F | 47°F | 47% | 29% | 11 h 50 min |
| September 30 | 63°F | 47°F | 48% | 29% | 11 h 50 min |
- Normal high
- 69°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 3.55 inmonth total
- Days with precipitation
- 120.01 inch or more
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 14
- Days at 80°F or more
- 4
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00206507; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Petoskey in September?
On a given September day the chance of 0.01 inch or more is 42% on average, highest around September 30 (48%). In all, 3.55 in falls on 12 days of a normal September, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00206507.
What are the records for September in Petoskey?
The warmest September temperature on this station's record (since 1891) is 96°F, on September 15, 1897; the coldest is 26°F, on September 29, 1893. The wettest September brought 10.65 in (1931).
The September mean against the 1991-2020 normal of 60.2°F: 2021 60.9°F (+0.7), 2022 59.9°F (−0.3), 2023 62.2°F (+2.0), 2024 64.0°F (+3.8), 2025 60.8°F (+0.6), 2026 61.9°F (+1.7). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.9°F | +0.7°F | 2.58 in |
| 2022 | 59.9°F | −0.3°F | 3.96 in |
| 2023 | 62.2°F | +2.0°F | 3.02 in |
| 2024 | 64.0°F | +3.8°F | 0.44 in |
| 2025 | 60.8°F | +0.6°F | 2.46 in |
| 2026 | 61.9°F | +1.7°F | 2.43 in |
Source: records: ACIS, station USC00206507; recent months: ACIS, station USC00206507. Records and recent months use complete months only.
How does September in Petoskey 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; Petoskey's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.