Duval County Weather in September
Average highs run from 95°F on September 1 to 89°F on September 30, and lows from 72°F to 66°F. Normal precipitation for the month is 3.35 in over about 6 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
- 92°F
- Average low
- 69°F
- Precipitation
- 3.35 in
- Record high
- 110°FSep 6, 2000
- Record low
- 48°FSep 19, 1981
- Chance of a freeze
- 0%
- Days of 90°F or more
- 23.1
- Daylight
- 12 h 42 min to 11 h 55 min
- Cloud cover
- 47%
- Humidity
- 71%
- Dew point
- 69°F
- Wind
- 8.9 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 | 95°F | 72°F | 105°F 1928 | 69°F 1972 | 16% |
| Sep 2 | 95°F | 71°F | 108°F 2011 | 67°F 1973 | 16% |
| Sep 3 | 95°F | 71°F | 103°F 2000 | 68°F 1987 | 17% |
| Sep 4 | 95°F | 71°F | 105°F 2000 | 60°F 1974 | 17% |
| Sep 5 | 94°F | 71°F | 107°F 2000 | 58°F 1974 | 17% |
| Sep 6 | 94°F | 71°F | 110°F 2000 | 62°F 2011 | 17% |
| Sep 7 | 94°F | 71°F | 105°F 2000 | 58°F 2011 | 18% |
| Sep 8 | 94°F | 70°F | 101°F 1972 | 57°F 1974 | 18% |
| Sep 9 | 93°F | 70°F | 103°F 1959 | 59°F 2011 | 18% |
| Sep 10 | 93°F | 70°F | 102°F 1997 | 58°F 1974 | 18% |
| Sep 11 | 93°F | 70°F | 101°F 1964 | 61°F 1974 | 18% |
| Sep 12 | 93°F | 70°F | 103°F 1982 | 63°F 1960 | 18% |
| Sep 13 | 92°F | 69°F | 102°F 1982 | 61°F 1960 | 18% |
| Sep 14 | 92°F | 69°F | 102°F 2011 | 63°F 1974 | 18% |
| Sep 15 | 92°F | 69°F | 100°F 1932 | 62°F 1961 | 18% |
| Sep 16 | 92°F | 69°F | 99°F 1997 | 58°F 1979 | 18% |
| Sep 17 | 92°F | 69°F | 103°F 1968 | 58°F 1979 | 18% |
| Sep 18 | 91°F | 69°F | 101°F 1997 | 55°F 1981 | 18% |
| Sep 19 | 91°F | 68°F | 100°F 1929 | 48°F 1981 | 17% |
| Sep 20 | 91°F | 68°F | 106°F 1932 | 55°F 1981 | 17% |
| Sep 21 | 91°F | 68°F | 100°F 1929 | 52°F 1983 | 17% |
| Sep 22 | 91°F | 68°F | 99°F 1992 | 51°F 1995 | 17% |
| Sep 23 | 90°F | 68°F | 100°F 1929 | 53°F 1975 | 16% |
| Sep 24 | 90°F | 67°F | 101°F 2005 | 50°F 1975 | 16% |
| Sep 25 | 90°F | 67°F | 101°F 2005 | 53°F 1975 | 16% |
| Sep 26 | 90°F | 67°F | 104°F 2005 | 52°F 2000 | 16% |
| Sep 27 | 90°F | 67°F | 102°F 2011 | 49°F 2000 | 15% |
| Sep 28 | 90°F | 67°F | 101°F 2005 | 53°F 1967 | 15% |
| Sep 29 | 89°F | 66°F | 102°F 2005 | 48°F 1967 | 15% |
| Sep 30 | 89°F | 66°F | 99°F 2005 | 48°F 1967 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- September 1
- sunrise 7:13 AM, sunset 7:55 PM
- September 30
- sunrise 7:26 AM, sunset 7:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413341 (Freer), public domain. Records: NOAA GHCN-Daily, station USC00414058, 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.