Manitowoc weather in September: Manitowoc, Wisconsin: normal highs, lows, rain and records for September
Manitowoc in September has a normal high of 69°F and a normal low of 53°F, a daily mean of 61°F, falling from 73°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 2.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 12°C, 61 mm of precipitation in September.
- NOAA stationManitowoc
- Station IDUSC00475017
- Location44.09°N 87.65°W
- Elevation584 ft (178 m)
- Population34,616
- Jan 27° 13°
- Feb 29° 16°
- Mar 39° 25°
- Apr 50° 34°
- May 62° 44°
- Jun 72° 54°
- Jul 77° 60°
- Aug 76° 60°
- Sep 69° 53°
- Oct 56° 42°
- Nov 43° 30°
- 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 Manitowoc in September?
The normal high is 69°F and the normal low 53°F, for a daily mean of 60.8°F. September is 7.2°F cooler than August and 11.8°F warmer than October. September is the 4th warmest month of the year in Manitowoc and the 7th 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 2.3°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 59°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 73°F | 58°F | 27% | 18% |
| September 8 | 71°F | 56°F | 28% | 18% |
| September 15 | 69°F | 53°F | 29% | 18% |
| September 22 | 66°F | 51°F | 30% | 19% |
| September 30 | 63°F | 48°F | 32% | 20% |
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 | 58°F | 27% | 18% | 13 h 20 min |
| September 2 | 73°F | 58°F | 27% | 18% | 13 h 10 min |
| September 3 | 73°F | 57°F | 27% | 18% | 13 h 10 min |
| September 4 | 73°F | 57°F | 27% | 18% | 13 h 10 min |
| September 5 | 72°F | 57°F | 28% | 18% | 13 h |
| September 6 | 72°F | 56°F | 28% | 18% | 13 h |
| September 7 | 72°F | 56°F | 28% | 18% | 13 h |
| September 8 | 71°F | 56°F | 28% | 18% | 13 h |
| September 9 | 71°F | 56°F | 28% | 18% | 12 h 50 min |
| September 10 | 71°F | 55°F | 29% | 18% | 12 h 50 min |
| September 11 | 71°F | 55°F | 29% | 18% | 12 h 50 min |
| September 12 | 70°F | 55°F | 29% | 18% | 12 h 40 min |
| September 13 | 70°F | 54°F | 29% | 18% | 12 h 40 min |
| September 14 | 69°F | 54°F | 29% | 18% | 12 h 40 min |
| September 15 | 69°F | 53°F | 29% | 18% | 12 h 40 min |
| September 16 | 69°F | 53°F | 29% | 18% | 12 h 30 min |
| September 17 | 68°F | 53°F | 29% | 18% | 12 h 30 min |
| September 18 | 68°F | 52°F | 30% | 18% | 12 h 30 min |
| September 19 | 68°F | 52°F | 30% | 19% | 12 h 20 min |
| September 20 | 67°F | 52°F | 30% | 19% | 12 h 20 min |
| September 21 | 67°F | 51°F | 30% | 19% | 12 h 20 min |
| September 22 | 66°F | 51°F | 30% | 19% | 12 h 10 min |
| September 23 | 66°F | 51°F | 30% | 19% | 12 h 10 min |
| September 24 | 66°F | 50°F | 30% | 19% | 12 h 10 min |
| September 25 | 65°F | 50°F | 31% | 19% | 12 h 10 min |
| September 26 | 65°F | 49°F | 31% | 19% | 12 h |
| September 27 | 64°F | 49°F | 31% | 19% | 12 h |
| September 28 | 64°F | 49°F | 31% | 19% | 12 h |
| September 29 | 63°F | 48°F | 31% | 19% | 11 h 50 min |
| September 30 | 63°F | 48°F | 32% | 20% | 11 h 50 min |
- Normal high
- 69°FSeptember average
- Normal low
- 53°FSeptember average
- Precipitation
- 2.42 inmonth total
- Days with precipitation
- 90.01 inch or more
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 15
- Days at 80°F or more
- 3
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00475017; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Manitowoc in September?
On a given September day the chance of 0.01 inch or more is 29% on average, highest around September 30 (32%). In all, 2.42 in falls on 9 days of a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00475017.
What are the records for September in Manitowoc?
The warmest September temperature on this station's record (since 1893) is 97°F, on September 10, 1931; the coldest is 26°F, on September 30, 1899. The wettest September brought 12.56 in (1986).
The September mean against the 1991-2020 normal of 60.8°F: 2021 63.5°F (+2.7), 2022 62.3°F (+1.5), 2023 63.8°F (+3.0), 2024 65.4°F (+4.6), 2025 61.5°F (+0.7), 2026 63.6°F (+2.8). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.5°F | +2.7°F | 1.02 in |
| 2022 | 62.3°F | +1.5°F | 2.12 in |
| 2023 | 63.8°F | +3.0°F | 0.58 in |
| 2024 | 65.4°F | +4.6°F | 0.70 in |
| 2025 | 61.5°F | +0.7°F | 0.89 in |
| 2026 | 63.6°F | +2.8°F | 4.76 in |
Source: records: ACIS, station USC00475017; recent months: ACIS, station USC00475017. Records and recent months use complete months only.
How does September in Manitowoc compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, September normal highs run from 64°F in Laona to 77°F in West Allis; Manitowoc's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Manitowoc in August76°F by day, 60°F at night
- Manitowoc in October56°F by day, 42°F at night
- Manitowoc through the yearEvery month, frost dates, records and recent years
- Wisconsin in SeptemberThe statewide normal and the warmest and coolest places
- West Allis: Wisconsin's warmest Septembernormal high 77°F