Shelby weather in September: Shelby, North Carolina: normal highs, lows, rain and records for September
Shelby in September has a normal high of 83°F and a normal low of 58°F, a daily mean of 71°F, falling from 87°F on the 1st to 79°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 3.98 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 15°C, 101 mm of precipitation in September.
- NOAA stationShelby (2 mi NW)
- Station IDUSC00317845
- Location35.31°N 81.57°W
- Elevation820 ft (250 m)
- Population22,778
- Jan 53° 27°
- Feb 57° 30°
- Mar 64° 36°
- Apr 73° 45°
- May 80° 54°
- Jun 87° 62°
- Jul 91° 66°
- Aug 89° 65°
- Sep 83° 58°
- Oct 74° 45°
- Nov 64° 35°
- Dec 55° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Shelby in September?
The normal high is 83°F and the normal low 58°F, for a daily mean of 70.7°F. September is 6.1°F cooler than August and 11.2°F warmer than October. September is the 4th warmest month of the year in Shelby and the 9th wettest. Across the month the normal high falls 8°F, from 87°F on September 1 to 79°F on September 30. From one year to the next September's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 68°F and 73°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 28%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 63°F | 28% | 18% |
| September 8 | 86°F | 61°F | 26% | 17% |
| September 15 | 84°F | 59°F | 26% | 17% |
| September 22 | 82°F | 56°F | 26% | 18% |
| September 30 | 79°F | 52°F | 27% | 18% |
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 | 87°F | 63°F | 28% | 18% | 13 h |
| September 2 | 87°F | 62°F | 28% | 18% | 13 h |
| September 3 | 87°F | 62°F | 28% | 18% | 12 h 50 min |
| September 4 | 86°F | 62°F | 27% | 18% | 12 h 50 min |
| September 5 | 86°F | 62°F | 27% | 18% | 12 h 50 min |
| September 6 | 86°F | 61°F | 27% | 18% | 12 h 50 min |
| September 7 | 86°F | 61°F | 27% | 17% | 12 h 40 min |
| September 8 | 86°F | 61°F | 26% | 17% | 12 h 40 min |
| September 9 | 85°F | 61°F | 26% | 17% | 12 h 40 min |
| September 10 | 85°F | 60°F | 26% | 17% | 12 h 40 min |
| September 11 | 85°F | 60°F | 26% | 17% | 12 h 40 min |
| September 12 | 84°F | 60°F | 26% | 17% | 12 h 30 min |
| September 13 | 84°F | 59°F | 26% | 17% | 12 h 30 min |
| September 14 | 84°F | 59°F | 26% | 17% | 12 h 30 min |
| September 15 | 84°F | 59°F | 26% | 17% | 12 h 30 min |
| September 16 | 83°F | 58°F | 26% | 18% | 12 h 20 min |
| September 17 | 83°F | 58°F | 26% | 18% | 12 h 20 min |
| September 18 | 83°F | 58°F | 26% | 18% | 12 h 20 min |
| September 19 | 83°F | 57°F | 26% | 18% | 12 h 20 min |
| September 20 | 82°F | 57°F | 26% | 18% | 12 h 20 min |
| September 21 | 82°F | 56°F | 26% | 18% | 12 h 10 min |
| September 22 | 82°F | 56°F | 26% | 18% | 12 h 10 min |
| September 23 | 81°F | 56°F | 26% | 18% | 12 h 10 min |
| September 24 | 81°F | 55°F | 27% | 18% | 12 h 10 min |
| September 25 | 81°F | 55°F | 27% | 18% | 12 h 10 min |
| September 26 | 80°F | 54°F | 27% | 18% | 12 h |
| September 27 | 80°F | 54°F | 27% | 18% | 12 h |
| September 28 | 80°F | 53°F | 27% | 18% | 12 h |
| September 29 | 79°F | 53°F | 27% | 18% | 12 h |
| September 30 | 79°F | 52°F | 27% | 18% | 11 h 50 min |
- Normal high
- 83°FSeptember average
- Normal low
- 58°FSeptember average
- Precipitation
- 3.98 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 20
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00317845; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Shelby in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 1 (28%). In all, 3.98 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Shelby, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00317845.
What are the records for September in Shelby?
The warmest September temperature on this station's record (since 1893) is 104°F, on September 9, 1939; the coldest is 36°F, on September 23, 1983. The wettest September brought 11.50 in (2004).
The September mean against the 1991-2020 normal of 70.7°F: 2021 69.8°F (−0.9), 2022 69.5°F (−1.2), 2023 71.5°F (+0.8), 2024 71.0°F (+0.3), 2025 69.6°F (−1.1), 2026 74.6°F (+3.9). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.8°F | −0.9°F | 1.61 in |
| 2022 | 69.5°F | −1.2°F | 1.63 in |
| 2023 | 71.5°F | +0.8°F | 0.62 in |
| 2024 | 71.0°F | +0.3°F | 9.62 in |
| 2025 | 69.6°F | −1.1°F | 4.54 in |
| 2026 | 74.6°F | +3.9°F | 2.81 in |
Source: records: ACIS, station USC00317845; recent months: ACIS, station USC00317845. Records and recent months use complete months only.
How does September in Shelby compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, September normal highs run from 63°F in Beech Mountain to 87°F in Southport; Shelby's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Shelby in August89°F by day, 65°F at night
- Shelby in October74°F by day, 45°F at night
- Shelby through the yearEvery month, frost dates, records and recent years
- North Carolina in SeptemberThe statewide normal and the warmest and coolest places
- Southport: North Carolina's warmest Septembernormal high 87°F