Palacios weather in September: Palacios, Texas: normal highs, lows, rain and records for September

Palacios in September has a normal high of 90°F and a normal low of 73°F, a daily mean of 82°F, falling from 92°F on the 1st to 88°F by the 30th. Measurable precipitation falls on 10 days in a normal September, 5.88 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 23°C, 149 mm of precipitation in September.

  • NOAA stationPalacios Municipal Airport
  • Station IDUSW00012935
  • Location28.72°N 96.25°W
  • Elevation12 ft (4 m)
  • From the center2 miles
  • Population4,373
  1. Jan 65° 46°
  2. Feb 68° 50°
  3. Mar 73° 57°
  4. Apr 80° 63°
  5. May 85° 71°
  6. Jun 90° 77°
  7. Jul 92° 79°
  8. Aug 93° 79°
  9. Sep 90° 73°
  10. Oct 84° 64°
  11. Nov 74° 55°
  12. Dec 68° 48°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Palacios in September?

The normal high is 90°F and the normal low 73°F, for a daily mean of 81.5°F. September is 4.1°F cooler than August and 7.6°F warmer than October. September is the 4th warmest month of the year in Palacios and the wettest. Across the month the normal high falls 4°F, from 92°F on September 1 to 88°F on September 30. From one year to the next September's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 80°F and 83°F.

Palacios in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 192°F76°F34%21%
September 891°F75°F35%22%
September 1590°F73°F33%21%
September 2289°F71°F30%20%
September 3088°F69°F26%18%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Palacios: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 192°F76°F34%21%12 h 50 min
September 292°F76°F34%21%12 h 40 min
September 392°F76°F35%21%12 h 40 min
September 492°F76°F35%22%12 h 40 min
September 592°F76°F35%22%12 h 40 min
September 691°F75°F35%22%12 h 40 min
September 791°F75°F35%22%12 h 40 min
September 891°F75°F35%22%12 h 30 min
September 991°F75°F35%22%12 h 30 min
September 1091°F75°F35%22%12 h 30 min
September 1191°F74°F34%22%12 h 30 min
September 1291°F74°F34%22%12 h 30 min
September 1390°F74°F34%22%12 h 30 min
September 1490°F74°F34%22%12 h 20 min
September 1590°F73°F33%21%12 h 20 min
September 1690°F73°F33%21%12 h 20 min
September 1790°F73°F33%21%12 h 20 min
September 1890°F73°F32%21%12 h 20 min
September 1990°F72°F32%21%12 h 20 min
September 2089°F72°F31%21%12 h 10 min
September 2189°F72°F31%20%12 h 10 min
September 2289°F71°F30%20%12 h 10 min
September 2389°F71°F30%20%12 h 10 min
September 2489°F71°F29%20%12 h 10 min
September 2589°F71°F29%19%12 h 10 min
September 2689°F70°F28%19%12 h
September 2788°F70°F28%19%12 h
September 2888°F70°F27%18%12 h
September 2988°F70°F27%18%12 h
September 3088°F69°F26%18%12 h
Normal high
90°FSeptember average
Normal low
73°FSeptember average
Precipitation
5.88 inmonth total
Days with precipitation
100.01 inch or more
Days at 90°F or more
15
Daylight
12 h 50 min to 12 hSeptember 1 to September 30
Days at 70°F or more
30
Days at 80°F or more
29
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012935; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Palacios in September?

On a given September day the chance of 0.01 inch or more is 32% on average, highest around September 6 (35%). In all, 5.88 in falls on 10 days of a normal September, 2 of them with an inch or more.

In a normal September in Palacios, 15 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012935.

How humid and windy is Palacios in September?

At 3 p.m. the normal temperature is 85°F with 56% relative humidity and a dew point of 67°F; at 6 a.m. it is 70°F with 91% humidity. The wind averages 8.9 mph, most often from the east-southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal September day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.70°F67°F91%7.0 mph80%
9 a.m.78°F69°F73%10.4 mph76%
noon84°F67°F57%11.0 mph72%
3 p.m.85°F67°F56%12.1 mph77%
6 p.m.79°F68°F69%9.4 mph81%
9 p.m.75°F69°F83%7.1 mph87%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00012935. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for September in Palacios?

The warmest September temperature on this station's record (since 1943) is 107°F, on September 5, 2000; the coldest is 49°F, on September 29, 1967. The wettest September brought 23.75 in (1979).

The September mean against the 1991-2020 normal of 81.5°F: 2021 80.4°F (−1.1), 2022 80.7°F (−0.8), 2023 84.7°F (+3.2), 2024 81.1°F (−0.4), 2025 82.3°F (+0.8), 2026 85.9°F (+4.4). 3 of 6 ran warmer than normal.

Palacios: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202180.4°F−1.1°F2.37 in
202280.7°F−0.8°F1.27 in
202384.7°F+3.2°F0.50 in
202481.1°F−0.4°F1.22 in
202582.3°F+0.8°F5.25 in
202685.9°F+4.4°F1.37 in

Source: records: ACIS, station USW00012935; recent months: ACIS, station USW00012935. Records and recent months use complete months only.

How does September in Palacios compare across Texas?

Across the 321 places PlainClimate covers in Texas, September normal highs run from 81°F in Hart to 95°F in Presidio; Palacios's is 90°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places