September is one of the warmer months of the year in Lubbock, with average highs near 30.1°C and lows around 16.3°C (mean 23.2°C). It is a relatively wet time of year, averaging 63 mm of rainfall and 55% relative humidity across the period.
September is one of the warmer months of the year in Lubbock. Across 45 years of records, the warmest September in Lubbock was 2023 — when the month averaged 26.6°C — while the coldest was 1991 at 20°C. Typical September days reach 30.1°C with nights near 16.3°C. The long-term trend is warming, about 0.5°C per decade.
September is a relatively wet time of year in Lubbock, averaging 63 mm of rainfall. The wettest September on record was 2014 with 182 mm, while the driest was 2000 at 5 mm.
Relative humidity in Lubbock during September averages 55%. The most humid September was 2014 at 72%, and the least humid was 2000 at 32%.
September receives about 5.5 kWh/m²/day of solar energy in Lubbock. The sunniest Septembers were 2000 and 2022 at 6.2 kWh/m²/day, and the cloudiest were 1991 and 2014 at 4.5.
Average wind speed in Lubbock during September is 2.9 m/s. The windiest September was 1985 at 3.4 m/s, while the calmest were 1987 and 1990 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.4°C | 22.9°C | 22.8°C | 23.9°C | 24.8°C | +2.4°C |
| Avg High | 29.1°C | 29.7°C | 29.8°C | 30.5°C | 32.2°C | +3.1°C |
| Avg Low | 15.6°C | 16.0°C | 15.8°C | 17.3°C | 17.4°C | +1.8°C |
| Avg Rain | 72 mm | 61 mm | 62 mm | 75 mm | 35 mm | -37 mm |
September temperatures in Lubbock have risen by about 2.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 1°C (1985) to a record high of 41.1°C (2023).
Rainfall in September is a relatively wet time of year, averaging 63 mm, with a wettest year of 182 mm.
One of the best times to visit Lubbock
September is one of the best times to visit Lubbock. Expect days averaging 30.1°C and nights around 16.3°C (mean 23.2°C) — warmer than Lubbock's yearly average — with moderate rainfall (63 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 24.4°C | 17.4°C | 36.9°C | 13.5°C | 30 mm | 52% | 2.8 m/s | 5.7 |
| 2024 | 31.4°C | 24.1°C | 16.8°C | 37.6°C | 12.3°C | 63 mm | 56% | 2.7 m/s | 5.6 |
| 2023 🔥 | 34.0°C | 26.6°C | 19.1°C | 41.1°C | 14.9°C | 68 mm | 48% | 2.6 m/s | 5.8 |
| 2022 | 32.5°C | 25.1°C | 17.7°C | 35.2°C | 13.9°C | 14 mm | 51% | 2.7 m/s | 6.2 |
| 2021 | 32.9°C | 25.6°C | 18.3°C | 38.1°C | 11.0°C | 19 mm | 46% | 3.1 m/s | 6 |
| 2020 | 30.6°C | 22.8°C | 14.9°C | 37.9°C | 7.5°C | 15 mm | 52% | 2.7 m/s | 5.5 |
| 2019 | 32.3°C | 26.1°C | 19.9°C | 35.7°C | 17.7°C | 91 mm | 57% | 3.1 m/s | 5.4 |
| 2018 | 29.2°C | 22.8°C | 16.5°C | 35.0°C | 8.1°C | 96 mm | 66% | 2.9 m/s | 5.2 |
| 2017 | 30.4°C | 23.5°C | 16.6°C | 37.4°C | 12.3°C | 83 mm | 55% | 3.2 m/s | 5.1 |
| 2016 | 29.0°C | 23.1°C | 17.3°C | 34.1°C | 10.0°C | 85 mm | 67% | 3 m/s | 5.3 |
| 2015 | 32.2°C | 25.4°C | 18.7°C | 37.3°C | 15.0°C | 24 mm | 53% | 3 m/s | 5.6 |
| 2014 🌧️ | 27.0°C | 22.0°C | 16.9°C | 40.0°C | 8.1°C | 182 mm | 72% | 2.9 m/s | 4.5 |
| 2013 | 31.4°C | 24.5°C | 17.6°C | 36.9°C | 9.4°C | 25 mm | 49% | 3 m/s | 5.7 |
| 2012 | 31.0°C | 23.6°C | 16.2°C | 39.4°C | 10.3°C | 71 mm | 49% | 2.8 m/s | 5.3 |
| 2011 | 31.5°C | 23.7°C | 16.0°C | 37.7°C | 11.4°C | 29 mm | 39% | 2.7 m/s | 5.6 |
| 2010 | 30.8°C | 24.0°C | 17.3°C | 36.3°C | 9.8°C | 60 mm | 60% | 3 m/s | 5.6 |
| 2009 | 28.0°C | 21.5°C | 14.9°C | 35.1°C | 7.1°C | 55 mm | 59% | 2.7 m/s | 5.3 |
| 2008 | 27.2°C | 20.6°C | 14.1°C | 34.0°C | 9.4°C | 148 mm | 65% | 2.3 m/s | 5.6 |
| 2007 | 29.7°C | 23.5°C | 17.3°C | 34.2°C | 13.5°C | 61 mm | 67% | 2.8 m/s | 5.6 |
| 2006 | 26.8°C | 20.4°C | 14.0°C | 33.9°C | 8.5°C | 119 mm | 60% | 2.8 m/s | 5.5 |
| 2005 | 32.2°C | 24.9°C | 17.7°C | 37.2°C | 11.1°C | 18 mm | 52% | 2.9 m/s | 5.9 |
| 2004 | 28.8°C | 22.5°C | 16.3°C | 35.0°C | 9.9°C | 124 mm | 59% | 3.1 m/s | 5.3 |
| 2003 | 30.1°C | 22.7°C | 15.2°C | 35.4°C | 9.1°C | 23 mm | 53% | 3.2 m/s | 5.5 |
| 2002 | 31.0°C | 23.4°C | 15.9°C | 35.4°C | 10.2°C | 32 mm | 48% | 2.8 m/s | 5.7 |
| 2001 | 30.5°C | 23.1°C | 15.7°C | 35.6°C | 8.8°C | 39 mm | 52% | 2.8 m/s | 5.9 |
| 2000 | 34.1°C | 25.6°C | 17.1°C | 40.1°C | 4.8°C | 5 mm | 32% | 3.2 m/s | 6.2 |
| 1999 | 29.9°C | 22.9°C | 15.9°C | 36.9°C | 4.5°C | 61 mm | 51% | 3 m/s | 5.4 |
| 1998 | 33.5°C | 26.2°C | 18.9°C | 37.3°C | 15.2°C | 10 mm | 48% | 2.8 m/s | 6 |
| 1997 | 31.6°C | 24.5°C | 17.4°C | 38.1°C | 9.9°C | 52 mm | 54% | 2.8 m/s | 5.7 |
| 1996 | 28.5°C | 21.5°C | 14.5°C | 33.7°C | 4.1°C | 39 mm | 59% | 2.5 m/s | 5.6 |
| 1995 | 28.3°C | 21.9°C | 15.6°C | 39.2°C | 3.1°C | 179 mm | 62% | 2.8 m/s | 4.9 |
| 1994 | 30.2°C | 22.9°C | 15.6°C | 35.9°C | 7.6°C | 48 mm | 52% | 2.8 m/s | 5.5 |
| 1993 | 29.8°C | 22.3°C | 14.8°C | 34.6°C | 6.3°C | 17 mm | 51% | 3.2 m/s | 5.5 |
| 1992 | 30.1°C | 22.9°C | 15.6°C | 35.7°C | 8.8°C | 8 mm | 53% | 3.3 m/s | 5.9 |
| 1991 ❄️ | 25.7°C | 20.0°C | 14.2°C | 32.0°C | 5.0°C | 160 mm | 70% | 2.8 m/s | 4.5 |
| 1990 | 29.4°C | 23.4°C | 17.5°C | 35.5°C | 11.0°C | 35 mm | 57% | 2.2 m/s | 5 |
| 1989 | 28.5°C | 21.2°C | 13.8°C | 35.6°C | 3.1°C | 86 mm | 53% | 2.8 m/s | 5.6 |
| 1988 | 29.3°C | 22.1°C | 14.9°C | 34.4°C | 9.7°C | 97 mm | 56% | 2.8 m/s | 5.4 |
| 1987 | 28.2°C | 21.4°C | 14.5°C | 32.8°C | 10.9°C | 76 mm | 62% | 2.2 m/s | 5.4 |
| 1986 | 27.7°C | 21.9°C | 16.1°C | 31.8°C | 11.7°C | 142 mm | 71% | 3.2 m/s | 4.7 |
| 1985 | 28.4°C | 22.1°C | 15.8°C | 35.8°C | 1.0°C | 107 mm | 59% | 3.4 m/s | 5 |
| 1984 | 28.9°C | 21.5°C | 14.1°C | 38.3°C | 1.7°C | 29 mm | 50% | 3.2 m/s | 5.3 |
| 1983 | 31.6°C | 24.7°C | 17.8°C | 37.6°C | 5.8°C | 11 mm | 46% | 3.3 m/s | — |
| 1982 | 30.9°C | 24.1°C | 17.2°C | 37.0°C | 10.1°C | 43 mm | 50% | 3 m/s | — |
| 1981 | 28.3°C | 22.2°C | 16.0°C | 33.9°C | 10.0°C | 54 mm | 61% | 2.6 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.1°C with lows near 16.3°C (mean 23.2°C), based on 45 years of NASA POWER data.
September averages 63 mm of rainfall in Lubbock, a relatively wet time of year. The wettest on record was 182 mm in 2014.
The hottest September reached 41.1°C in 2023. The coldest dipped to 1°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.3°C. Daytime highs moved from 29.6°C to 32.5°C and overnight lows from 16.2°C to 17.9°C over the same span.
September is one of the warmer months of the year in Lubbock and a relatively wet time of year, so plan for around 30.1°C daytime highs and 16.3°C at night.
Not quite — September is the 9th coolest month in Lubbock, averaging 23.2°C.
For September in Lubbock, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 16.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 55% — moderately humid.
Average wind speed in September is 2.9 m/s. The windiest September on record averaged 3.4 m/s (1985).
The wettest September on record was 2014 with 182 mm. On average, September sees 63 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Lubbock behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
