Marquette weather in September: Marquette, Michigan: normal highs, lows, rain and records for September
Marquette in September has a normal high of 67°F and a normal low of 52°F, a daily mean of 59°F, falling from 72°F on the 1st to 61°F by the 30th. Measurable precipitation falls on 13 days in a normal September, 3.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 11°C, 85 mm of precipitation in September.
- NOAA stationMarquette
- Station IDUSW00014838
- Location46.55°N 87.38°W
- Elevation665 ft (203 m)
- Population21,845
- Jan 25° 12°
- Feb 27° 13°
- Mar 35° 21°
- Apr 46° 31°
- May 59° 41°
- Jun 68° 50°
- Jul 75° 58°
- Aug 74° 58°
- Sep 67° 52°
- Oct 54° 40°
- Nov 41° 29°
- Dec 30° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Marquette in September?
The normal high is 67°F and the normal low 52°F, for a daily mean of 59.4°F. September is 6.8°F cooler than August and 12.4°F warmer than October. September is the 3rd warmest month of the year in Marquette and the 2nd wettest. Across the month the normal high falls 11°F, from 72°F on September 1 to 61°F on September 30. From one year to the next September's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 57°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 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 72°F | 56°F | 39% | 20% |
| September 8 | 70°F | 54°F | 41% | 21% |
| September 15 | 68°F | 52°F | 42% | 23% |
| September 22 | 65°F | 50°F | 43% | 23% |
| September 30 | 61°F | 46°F | 45% | 25% |
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 | 72°F | 56°F | 39% | 20% | 13 h 20 min |
| September 2 | 72°F | 56°F | 39% | 20% | 13 h 20 min |
| September 3 | 72°F | 56°F | 39% | 21% | 13 h 20 min |
| September 4 | 71°F | 55°F | 40% | 21% | 13 h 10 min |
| September 5 | 71°F | 55°F | 40% | 21% | 13 h 10 min |
| September 6 | 71°F | 55°F | 40% | 21% | 13 h 10 min |
| September 7 | 70°F | 55°F | 40% | 21% | 13 h |
| September 8 | 70°F | 54°F | 41% | 21% | 13 h |
| September 9 | 70°F | 54°F | 41% | 22% | 13 h |
| September 10 | 70°F | 54°F | 41% | 22% | 12 h 50 min |
| September 11 | 69°F | 53°F | 41% | 22% | 12 h 50 min |
| September 12 | 69°F | 53°F | 42% | 22% | 12 h 50 min |
| September 13 | 69°F | 53°F | 42% | 22% | 12 h 40 min |
| September 14 | 68°F | 52°F | 42% | 22% | 12 h 40 min |
| September 15 | 68°F | 52°F | 42% | 23% | 12 h 40 min |
| September 16 | 68°F | 52°F | 42% | 23% | 12 h 30 min |
| September 17 | 67°F | 51°F | 42% | 23% | 12 h 30 min |
| September 18 | 67°F | 51°F | 42% | 23% | 12 h 30 min |
| September 19 | 66°F | 51°F | 43% | 23% | 12 h 20 min |
| September 20 | 66°F | 50°F | 43% | 23% | 12 h 20 min |
| September 21 | 66°F | 50°F | 43% | 23% | 12 h 20 min |
| September 22 | 65°F | 50°F | 43% | 23% | 12 h 20 min |
| September 23 | 65°F | 49°F | 43% | 23% | 12 h 10 min |
| September 24 | 64°F | 49°F | 43% | 23% | 12 h 10 min |
| September 25 | 64°F | 48°F | 44% | 24% | 12 h 10 min |
| September 26 | 63°F | 48°F | 44% | 24% | 12 h |
| September 27 | 63°F | 48°F | 44% | 24% | 12 h |
| September 28 | 62°F | 47°F | 44% | 24% | 12 h |
| September 29 | 62°F | 47°F | 45% | 24% | 11 h 50 min |
| September 30 | 61°F | 46°F | 45% | 25% | 11 h 50 min |
- Normal high
- 67°FSeptember average
- Normal low
- 52°FSeptember average
- Precipitation
- 3.34 inmonth total
- Days with precipitation
- 130.01 inch or more
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014838; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Marquette in September?
On a given September day the chance of 0.01 inch or more is 42% on average, highest around September 30 (45%). In all, 3.34 in falls on 13 days of a normal September, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014838.
What are the records for September in Marquette?
The warmest September temperature on this station's record (since 1860) is 98°F, on September 11, 1931; the coldest is 28°F, on September 29, 1883. The wettest September brought 12.73 in (1881); the snowiest, 6.0 inches (1899).
The September mean against the 1991-2020 normal of 59.4°F: 2021 61.2°F (+1.8), 2022 60.0°F (+0.6), 2023 61.9°F (+2.5), 2024 64.7°F (+5.3), 2025 61.1°F (+1.7), 2026 62.1°F (+2.7). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.2°F | +1.8°F | 2.60 in |
| 2022 | 60.0°F | +0.6°F | 2.70 in |
| 2023 | 61.9°F | +2.5°F | 0.88 in |
| 2024 | 64.7°F | +5.3°F | 1.12 in |
| 2025 | 61.1°F | +1.7°F | 3.12 in |
| 2026 | 62.1°F | +2.7°F | 1.05 in |
Source: records: ACIS, station USW00014838; recent months: ACIS, station USW00014838. Records and recent months use complete months only.
How does September in Marquette 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; Marquette's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.