Clayton weather in September: Clayton, North Carolina: normal highs, lows, rain and records for September
Clayton in September has a normal high of 82°F and a normal low of 62°F, a daily mean of 72°F, falling from 86°F on the 1st to 78°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 5.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 16°C, 150 mm of precipitation in September.
- NOAA stationClayton Water Treatment Plant
- Station IDUSC00311820
- Location35.64°N 78.46°W
- Elevation300 ft (91 m)
- Population31,732
- Jan 52° 30°
- Feb 56° 31°
- Mar 63° 37°
- Apr 73° 46°
- May 79° 56°
- Jun 86° 65°
- Jul 89° 69°
- Aug 87° 68°
- Sep 82° 62°
- Oct 73° 49°
- Nov 63° 38°
- Dec 55° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Clayton in September?
The normal high is 82°F and the normal low 62°F, for a daily mean of 71.8°F. September is 5.7°F cooler than August and 11.2°F warmer than October. September is the 4th warmest month of the year in Clayton and the 2nd wettest. Across the month the normal high falls 8°F, from 86°F on September 1 to 78°F on September 30. From one year to the next September's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 70°F and 74°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 86°F | 66°F | 30% | 22% |
| September 8 | 84°F | 64°F | 28% | 21% |
| September 15 | 82°F | 62°F | 27% | 20% |
| September 22 | 80°F | 60°F | 27% | 20% |
| September 30 | 78°F | 56°F | 27% | 19% |
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 | 86°F | 66°F | 30% | 22% | 13 h |
| September 2 | 85°F | 65°F | 30% | 22% | 13 h |
| September 3 | 85°F | 65°F | 30% | 22% | 12 h 50 min |
| September 4 | 85°F | 65°F | 29% | 22% | 12 h 50 min |
| September 5 | 85°F | 65°F | 29% | 22% | 12 h 50 min |
| September 6 | 85°F | 65°F | 29% | 22% | 12 h 50 min |
| September 7 | 84°F | 64°F | 29% | 22% | 12 h 50 min |
| September 8 | 84°F | 64°F | 28% | 21% | 12 h 40 min |
| September 9 | 84°F | 64°F | 28% | 21% | 12 h 40 min |
| September 10 | 84°F | 64°F | 28% | 21% | 12 h 40 min |
| September 11 | 83°F | 63°F | 27% | 21% | 12 h 40 min |
| September 12 | 83°F | 63°F | 27% | 21% | 12 h 30 min |
| September 13 | 83°F | 63°F | 27% | 21% | 12 h 30 min |
| September 14 | 83°F | 63°F | 27% | 20% | 12 h 30 min |
| September 15 | 82°F | 62°F | 27% | 20% | 12 h 30 min |
| September 16 | 82°F | 62°F | 27% | 20% | 12 h 30 min |
| September 17 | 82°F | 62°F | 27% | 20% | 12 h 20 min |
| September 18 | 82°F | 61°F | 27% | 20% | 12 h 20 min |
| September 19 | 81°F | 61°F | 27% | 20% | 12 h 20 min |
| September 20 | 81°F | 60°F | 27% | 20% | 12 h 20 min |
| September 21 | 81°F | 60°F | 27% | 20% | 12 h 10 min |
| September 22 | 80°F | 60°F | 27% | 20% | 12 h 10 min |
| September 23 | 80°F | 59°F | 27% | 20% | 12 h 10 min |
| September 24 | 80°F | 59°F | 27% | 20% | 12 h 10 min |
| September 25 | 79°F | 58°F | 27% | 20% | 12 h 10 min |
| September 26 | 79°F | 58°F | 27% | 20% | 12 h |
| September 27 | 79°F | 58°F | 27% | 20% | 12 h |
| September 28 | 79°F | 57°F | 27% | 20% | 12 h |
| September 29 | 78°F | 57°F | 27% | 19% | 12 h |
| September 30 | 78°F | 56°F | 27% | 19% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 62°FSeptember average
- Precipitation
- 5.89 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 20
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00311820; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Clayton in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 1 (30%). In all, 5.89 in falls on 8 days of a normal September, 2 of them with an inch or more.
In a normal September in Clayton, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00311820.
What are the records for September in Clayton?
The warmest September temperature on this station's record (since 1955) is 98°F, on September 2, 1980; the coldest is 42°F, on September 24, 1963. The wettest September brought 20.62 in (1999).
The September mean against the 1991-2020 normal of 71.8°F: 2021 74.9°F (+3.1), 2022 75.3°F (+3.5), 2024 72.2°F (+0.4), 2025 71.8°F (at normal), 2026 75.3°F (+3.5). 4 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.9°F | +3.1°F | 1.94 in |
| 2022 | 75.3°F | +3.5°F | 3.75 in |
| 2024 | 72.2°F | +0.4°F | 10.28 in |
| 2025 | 71.8°F | at normal | 2.54 in |
| 2026 | 75.3°F | +3.5°F | 2.29 in |
Source: records: ACIS, station USC00311820; recent months: ACIS, station USC00311820. Records and recent months use complete months only.
How does September in Clayton 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; Clayton's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Clayton in August87°F by day, 68°F at night
- Clayton in October73°F by day, 49°F at night
- Clayton 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