Howell weather in September: Howell, Michigan: normal highs, lows, rain and records for September
Howell in September has a normal high of 75°F and a normal low of 49°F, a daily mean of 62°F, falling from 79°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 10 days in a normal September, 3.11 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 9°C, 79 mm of precipitation in September.
- NOAA stationHowell Wastewater Treatment Plant
- Station IDUSC00203947
- Location42.59°N 83.93°W
- Elevation917 ft (280 m)
- Population9,914
- Jan 31° 14°
- Feb 35° 15°
- Mar 44° 24°
- Apr 58° 34°
- May 69° 45°
- Jun 79° 55°
- Jul 83° 58°
- Aug 81° 57°
- Sep 75° 49°
- Oct 62° 38°
- Nov 48° 29°
- Dec 36° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Howell in September?
The normal high is 75°F and the normal low 49°F, for a daily mean of 61.7°F. September is 7.2°F cooler than August and 11.6°F warmer than October. September is the 4th warmest month of the year in Howell and the 4th wettest. Across the month the normal high falls 10°F, from 79°F on September 1 to 69°F on September 30. From one year to the next September's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 59°F and 64°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 79°F | 54°F | 32% | 19% |
| September 8 | 78°F | 52°F | 32% | 19% |
| September 15 | 75°F | 49°F | 34% | 20% |
| September 22 | 72°F | 46°F | 35% | 21% |
| September 30 | 69°F | 43°F | 37% | 21% |
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 | 79°F | 54°F | 32% | 19% | 13 h 10 min |
| September 2 | 79°F | 54°F | 32% | 19% | 13 h 10 min |
| September 3 | 79°F | 54°F | 32% | 19% | 13 h 10 min |
| September 4 | 79°F | 53°F | 32% | 19% | 13 h |
| September 5 | 78°F | 53°F | 32% | 19% | 13 h |
| September 6 | 78°F | 53°F | 32% | 19% | 13 h |
| September 7 | 78°F | 52°F | 32% | 19% | 13 h |
| September 8 | 78°F | 52°F | 32% | 19% | 12 h 50 min |
| September 9 | 77°F | 52°F | 33% | 19% | 12 h 50 min |
| September 10 | 77°F | 51°F | 33% | 19% | 12 h 50 min |
| September 11 | 77°F | 51°F | 33% | 20% | 12 h 50 min |
| September 12 | 76°F | 50°F | 33% | 20% | 12 h 40 min |
| September 13 | 76°F | 50°F | 33% | 20% | 12 h 40 min |
| September 14 | 76°F | 50°F | 33% | 20% | 12 h 40 min |
| September 15 | 75°F | 49°F | 34% | 20% | 12 h 30 min |
| September 16 | 75°F | 49°F | 34% | 20% | 12 h 30 min |
| September 17 | 74°F | 48°F | 34% | 20% | 12 h 30 min |
| September 18 | 74°F | 48°F | 34% | 20% | 12 h 30 min |
| September 19 | 74°F | 47°F | 34% | 20% | 12 h 20 min |
| September 20 | 73°F | 47°F | 35% | 20% | 12 h 20 min |
| September 21 | 73°F | 47°F | 35% | 21% | 12 h 20 min |
| September 22 | 72°F | 46°F | 35% | 21% | 12 h 10 min |
| September 23 | 72°F | 46°F | 35% | 21% | 12 h 10 min |
| September 24 | 71°F | 45°F | 35% | 21% | 12 h 10 min |
| September 25 | 71°F | 45°F | 36% | 21% | 12 h 10 min |
| September 26 | 71°F | 45°F | 36% | 21% | 12 h |
| September 27 | 70°F | 44°F | 36% | 21% | 12 h |
| September 28 | 70°F | 44°F | 36% | 21% | 12 h |
| September 29 | 69°F | 43°F | 37% | 21% | 11 h 50 min |
| September 30 | 69°F | 43°F | 37% | 21% | 11 h 50 min |
- Normal high
- 75°FSeptember average
- Normal low
- 49°FSeptember average
- Precipitation
- 3.11 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 22
- Days at 80°F or more
- 9
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00203947; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Howell in September?
On a given September day the chance of 0.01 inch or more is 34% on average, highest around September 30 (37%). In all, 3.11 in falls on 10 days of a normal September, 1 of them with an inch or more.
In a normal September in Howell, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00203947.
How does September in Howell 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; Howell's is 75°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.