Robinson climate

Robinson Weather in September

NOAA 1991-2020 normals for Waco Dam, 17.6 km from Robinson

Average highs run from 93°F on September 1 to 85°F on September 30, and lows from 72°F to 63°F. Normal precipitation for the month is 3.15 in over about 6 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 Robinson, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
68°F
Precipitation
3.15 in
Record high
108°FSep 5, 2000
Record low
40°FSep 22, 1983
Chance of a freeze
0%
Days of 90°F or more
17.7
Daylight
12 h 48 min to 11 h 53 min
Cloud cover
43%
Humidity
64%
Dew point
64°F
Wind
7.8 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 193°F72°F104°F 198354°F 189319%0%
Sep 293°F72°F106°F 200054°F 189319%0%
Sep 392°F72°F107°F 200055°F 189319%0%
Sep 492°F71°F107°F 200055°F 189319%0%
Sep 592°F71°F108°F 200048°F 200619%0%
Sep 692°F71°F107°F 200050°F 197419%0%
Sep 791°F70°F106°F 196350°F 197419%0%
Sep 891°F70°F104°F 196353°F 189319%0%
Sep 991°F70°F102°F 196354°F 189319%0%
Sep 1091°F70°F100°F 196354°F 189319%0%
Sep 1190°F69°F104°F 196353°F 189319%0%
Sep 1290°F69°F101°F 201154°F 189319%0%
Sep 1390°F69°F103°F 201154°F 189319%0%
Sep 1490°F68°F104°F 201154°F 189319%0%
Sep 1589°F68°F101°F 201151°F 198919%0%
Sep 1689°F68°F100°F 196545°F 198419%0%
Sep 1789°F67°F99°F 198050°F 197919%0%
Sep 1889°F67°F97°F 198046°F 198118%0%
Sep 1988°F67°F98°F 198045°F 198118%0%
Sep 2088°F66°F96°F 197247°F 197118%0%
Sep 2188°F66°F98°F 199947°F 197118%0%
Sep 2288°F66°F97°F 200540°F 198318%0%
Sep 2387°F65°F97°F 198043°F 198318%0%
Sep 2487°F65°F97°F 200045°F 198918%0%
Sep 2587°F65°F105°F 201144°F 198917%0%
Sep 2686°F64°F101°F 200544°F 198917%0%
Sep 2786°F64°F106°F 200547°F 199617%0%
Sep 2886°F63°F106°F 200546°F 196717%0%
Sep 2986°F63°F103°F 200545°F 196717%0%
Sep 3085°F63°F99°F 201142°F 198417%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Robinson, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:04 AM, sunset 7:52 PM
September 30
sunrise 7:22 AM, sunset 7:15 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00419417 (Waco Dam), public domain. Records: NOAA GHCN-Daily, station USC00415757, 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.