South Haven weather in September: South Haven, Michigan: normal highs, lows, rain and records for September
South Haven in September has a normal high of 74°F and a normal low of 57°F, a daily mean of 66°F, falling from 77°F on the 1st to 69°F by the 30th. The month brings 3.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 14°C, 81 mm of precipitation in September.
- NOAA stationSouth Haven
- Station IDUSC00207690
- Location42.40°N 86.28°W
- Elevation590 ft (180 m)
- Population4,017
- Jan 34° 22°
- Feb 36° 24°
- Mar 45° 30°
- Apr 56° 39°
- May 68° 49°
- Jun 76° 60°
- Jul 80° 66°
- Aug 79° 64°
- Sep 74° 57°
- Oct 62° 48°
- Nov 49° 36°
- Dec 39° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is South Haven in September?
The normal high is 74°F and the normal low 57°F, for a daily mean of 65.5°F. September is 6.1°F cooler than August and 10.6°F warmer than October. September is the 4th warmest month of the year in South Haven and the 6th wettest. Across the month the normal high falls 8°F, from 77°F on September 1 to 69°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 63°F and 68°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 77°F | 61°F | – | – |
| September 8 | 76°F | 59°F | – | – |
| September 15 | 74°F | 57°F | – | – |
| September 22 | 72°F | 55°F | – | – |
| September 30 | 69°F | 53°F | – | – |
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 | 77°F | 61°F | – | – | 13 h 10 min |
| September 2 | 77°F | 61°F | – | – | 13 h 10 min |
| September 3 | 77°F | 61°F | – | – | 13 h 10 min |
| September 4 | 77°F | 60°F | – | – | 13 h |
| September 5 | 77°F | 60°F | – | – | 13 h |
| September 6 | 77°F | 60°F | – | – | 13 h |
| September 7 | 76°F | 60°F | – | – | 13 h |
| September 8 | 76°F | 59°F | – | – | 12 h 50 min |
| September 9 | 76°F | 59°F | – | – | 12 h 50 min |
| September 10 | 76°F | 59°F | – | – | 12 h 50 min |
| September 11 | 75°F | 59°F | – | – | 12 h 40 min |
| September 12 | 75°F | 58°F | – | – | 12 h 40 min |
| September 13 | 75°F | 58°F | – | – | 12 h 40 min |
| September 14 | 75°F | 58°F | – | – | 12 h 40 min |
| September 15 | 74°F | 57°F | – | – | 12 h 30 min |
| September 16 | 74°F | 57°F | – | – | 12 h 30 min |
| September 17 | 74°F | 57°F | – | – | 12 h 30 min |
| September 18 | 73°F | 57°F | – | – | 12 h 30 min |
| September 19 | 73°F | 56°F | – | – | 12 h 20 min |
| September 20 | 73°F | 56°F | – | – | 12 h 20 min |
| September 21 | 72°F | 56°F | – | – | 12 h 20 min |
| September 22 | 72°F | 55°F | – | – | 12 h 10 min |
| September 23 | 72°F | 55°F | – | – | 12 h 10 min |
| September 24 | 71°F | 55°F | – | – | 12 h 10 min |
| September 25 | 71°F | 55°F | – | – | 12 h 10 min |
| September 26 | 70°F | 54°F | – | – | 12 h |
| September 27 | 70°F | 54°F | – | – | 12 h |
| September 28 | 70°F | 54°F | – | – | 12 h |
| September 29 | 69°F | 53°F | – | – | 11 h 50 min |
| September 30 | 69°F | 53°F | – | – | 11 h 50 min |
- Normal high
- 74°FSeptember average
- Normal low
- 57°FSeptember average
- Precipitation
- 3.19 inmonth total
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 20
- Days at 80°F or more
- 7
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00207690; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in South Haven in September?
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00207690.
What are the records for September in South Haven?
The warmest September temperature on this station's record (since 1895) is 97°F, on September 15, 1939; the coldest is 26°F, on September 29, 1942. The wettest September brought 12.65 in (1986).
Source: records: ACIS, station USC00207690. Records and recent months use complete months only.
How does September in South Haven 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; South Haven's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- South Haven in August79°F by day, 64°F at night
- South Haven in October62°F by day, 48°F at night
- South Haven through the yearEvery month, frost dates, records and recent years
- Michigan in SeptemberThe statewide normal and the warmest and coolest places
- Eau Claire: Michigan's warmest Septembernormal high 76°F