Sebastian climate

Sebastian Weather in September

NOAA 1991-2020 normals for Santa Rosa 3 Wnw, 11.8 km from Sebastian

Average highs run from 95°F on September 1 to 91°F on September 30, and lows from 74°F to 69°F. Normal precipitation for the month is 5.56 in over about 9 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Sebastian, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
93°F
Average low
72°F
Precipitation
5.56 in
Record high
107°FSep 4, 2011
Record low
53°FSep 27, 2000
Chance of a freeze
0%
Days of 90°F or more
23.0
Daylight
12 h 40 min to 11 h 56 min
Cloud cover
51%
Humidity
71%
Dew point
71°F
Wind
8.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 195°F74°F103°F 202672°F 199729%0%
Sep 295°F74°F104°F 202669°F 200630%0%
Sep 395°F74°F106°F 201171°F 195430%0%
Sep 495°F74°F107°F 201172°F 200631%0%
Sep 594°F74°F107°F 200067°F 195231%0%
Sep 694°F74°F103°F 200065°F 201131%0%
Sep 794°F74°F102°F 202662°F 201131%0%
Sep 894°F73°F103°F 202361°F 201131%0%
Sep 994°F73°F102°F 202364°F 201132%0%
Sep 1093°F73°F104°F 202664°F 201732%0%
Sep 1193°F73°F103°F 202665°F 201732%0%
Sep 1293°F73°F102°F 202664°F 201732%0%
Sep 1393°F73°F102°F 202665°F 196031%0%
Sep 1493°F72°F101°F 202368°F 195931%0%
Sep 1593°F72°F102°F 202667°F 196031%0%
Sep 1692°F72°F102°F 200065°F 200831%0%
Sep 1792°F72°F100°F 202662°F 200830%0%
Sep 1892°F72°F100°F 201165°F 196130%0%
Sep 1992°F72°F99°F 201765°F 199930%0%
Sep 2092°F71°F98°F 201765°F 199929%0%
Sep 2192°F71°F98°F 201161°F 201229%0%
Sep 2292°F71°F99°F 202363°F 199929%0%
Sep 2391°F71°F101°F 200559°F 199928%0%
Sep 2491°F71°F103°F 200560°F 202128%0%
Sep 2591°F70°F102°F 201163°F 200027%0%
Sep 2691°F70°F100°F 201158°F 200027%0%
Sep 2791°F70°F100°F 200553°F 200026%0%
Sep 2891°F70°F102°F 200557°F 200026%0%
Sep 2991°F69°F98°F 200558°F 200025%0%
Sep 3091°F69°F97°F 200557°F 200025%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sebastian, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:11 AM, sunset 7:51 PM
September 30
sunrise 7:23 AM, sunset 7:19 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418059 (Santa Rosa 3 Wnw), public domain. Records: NOAA GHCN-Daily, station USW00012904, 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.