Moncks Corner Weather in September
Average highs run from 89°F on September 1 to 83°F on September 30, and lows from 71°F to 63°F. Normal precipitation for the month is 5.82 in over about 9 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 86°F
- Average low
- 67°F
- Precipitation
- 5.82 in
- Record high
- 97°FSep 5, 2020
- Record low
- 45°FSep 23, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.1
- Daylight
- 12 h 51 min to 11 h 52 min
- Cloud cover
- 54%
- Humidity
- 80%
- Dew point
- 69°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 89°F | 71°F | 95°F 2018 | 59°F 1999 | 32% |
| Sep 2 | 89°F | 71°F | 95°F 2013 | 60°F 2025 | 32% |
| Sep 3 | 89°F | 70°F | 96°F 2020 | 59°F 2008 | 31% |
| Sep 4 | 88°F | 70°F | 96°F 2020 | 58°F 2008 | 31% |
| Sep 5 | 88°F | 70°F | 97°F 2020 | 56°F 2005 | 31% |
| Sep 6 | 88°F | 70°F | 96°F 1999 | 58°F 2005 | 31% |
| Sep 7 | 88°F | 70°F | 96°F 1999 | 60°F 2006 | 31% |
| Sep 8 | 88°F | 69°F | 95°F 1999 | 60°F 2005 | 30% |
| Sep 9 | 88°F | 69°F | 97°F 2019 | 57°F 1998 | 30% |
| Sep 10 | 87°F | 69°F | 97°F 2019 | 52°F 1998 | 30% |
| Sep 11 | 87°F | 69°F | 95°F 2007 | 52°F 1998 | 30% |
| Sep 12 | 87°F | 69°F | 95°F 2016 | 58°F 1999 | 30% |
| Sep 13 | 87°F | 68°F | 92°F 2011 | 58°F 1999 | 30% |
| Sep 14 | 87°F | 68°F | 93°F 2011 | 49°F 2015 | 30% |
| Sep 15 | 86°F | 68°F | 94°F 2007 | 52°F 1996 | 30% |
| Sep 16 | 86°F | 68°F | 95°F 2008 | 52°F 1996 | 30% |
| Sep 17 | 86°F | 67°F | 92°F 2009 | 54°F 2001 | 29% |
| Sep 18 | 86°F | 67°F | 97°F 2005 | 52°F 2001 | 29% |
| Sep 19 | 85°F | 67°F | 95°F 2005 | 52°F 2001 | 29% |
| Sep 20 | 85°F | 66°F | 94°F 2005 | 51°F 1996 | 29% |
| Sep 21 | 85°F | 66°F | 94°F 2010 | 54°F 2011 | 29% |
| Sep 22 | 85°F | 66°F | 94°F 2010 | 49°F 1999 | 29% |
| Sep 23 | 84°F | 66°F | 94°F 2022 | 45°F 1999 | 29% |
| Sep 24 | 84°F | 65°F | 93°F 2024 | 45°F 1999 | 29% |
| Sep 25 | 84°F | 65°F | 92°F 2006 | 49°F 1995 | 29% |
| Sep 26 | 84°F | 65°F | 96°F 2019 | 50°F 2001 | 29% |
| Sep 27 | 83°F | 64°F | 95°F 2019 | 51°F 2001 | 29% |
| Sep 28 | 83°F | 64°F | 95°F 2018 | 48°F 2001 | 29% |
| Sep 29 | 83°F | 64°F | 93°F 2017 | 55°F 2005 | 28% |
| Sep 30 | 83°F | 63°F | 93°F 2019 | 50°F 2001 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- September 1
- sunrise 6:54 AM, sunset 7:45 PM
- September 30
- sunrise 7:14 AM, sunset 7:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00385946 (Moncks Corner 4 N), public domain. Records: NOAA GHCN-Daily, station USC00385946, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.