Lake Dunlap climate

Lake Dunlap Weather in September

NOAA 1991-2020 normals for New Braunfels, 9 km from Lake Dunlap

Average highs run from 93°F on September 1 to 86°F on September 30, and lows from 69°F to 62°F. Normal precipitation for the month is 3.53 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 Lake Dunlap, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
66°F
Precipitation
3.53 in
Record high
106°FSep 9, 2023
Record low
50°FSep 29, 2020
Chance of a freeze
0%
Days of 90°F or more
18.9
Daylight
12 h 44 min to 11 h 54 min
Cloud cover
47%
Humidity
68%
Dew point
66°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 193°F69°F102°F 202066°F 201720%
Sep 292°F69°F101°F 202066°F 201720%
Sep 392°F69°F104°F 202666°F 201720%
Sep 492°F69°F103°F 201167°F 201720%
Sep 592°F69°F103°F 202365°F 202520%
Sep 692°F68°F104°F 202363°F 201120%
Sep 791°F68°F103°F 202357°F 201120%
Sep 891°F68°F104°F 202355°F 201120%
Sep 991°F68°F106°F 202358°F 201720%
Sep 1091°F68°F103°F 202354°F 201220%
Sep 1190°F67°F102°F 202358°F 202020%
Sep 1290°F67°F103°F 202656°F 201719%
Sep 1390°F67°F102°F 201159°F 201419%
Sep 1490°F67°F101°F 201159°F 201419%
Sep 1589°F66°F102°F 202663°F 201419%
Sep 1689°F66°F102°F 202666°F 201119%
Sep 1789°F66°F100°F 202666°F 201219%
Sep 1889°F65°F98°F 202264°F 201219%
Sep 1989°F65°F100°F 201964°F 201219%
Sep 2088°F65°F102°F 201961°F 201118%
Sep 2188°F65°F100°F 202358°F 201218%
Sep 2288°F64°F101°F 202359°F 201218%
Sep 2388°F64°F100°F 202353°F 202118%
Sep 2487°F64°F102°F 202354°F 202118%
Sep 2587°F63°F103°F 202354°F 202117%
Sep 2687°F63°F103°F 201156°F 202117%
Sep 2787°F63°F102°F 201154°F 201017%
Sep 2886°F62°F100°F 201151°F 201017%
Sep 2986°F62°F98°F 201150°F 202017%
Sep 3086°F62°F99°F 201150°F 202017%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lake Dunlap, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:10 AM, sunset 7:54 PM
September 30
sunrise 7:25 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 USC00416276 (New Braunfels), public domain. Records: NOAA GHCN-Daily, station USC00416273, 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.