September is one of the warmer months of the year in El Paso, with average highs near 30.6°C and lows around 16.8°C (mean 23.7°C). It is a relatively wet time of year, averaging 39 mm of rainfall and 46% relative humidity across the period.
September is one of the warmer months of the year in El Paso. Across 45 years of records, the warmest September in El Paso was 2023 — when the month averaged 27.1°C — while the coldest was 2006 at 20.1°C. Typical September days reach 30.6°C with nights near 16.8°C. The long-term trend is warming, about 0.5°C per decade.
September is a relatively wet time of year in El Paso, averaging 39 mm of rainfall. The wettest September on record was 2014 with 108 mm, while the driest was 2000 at 2 mm.
Relative humidity in El Paso during September averages 46%. The most humid September was 2014 at 62%, and the least humid was 2000 at 28%.
September receives about 6 kWh/m²/day of solar energy in El Paso. The sunniest September was 1989 at 6.5 kWh/m²/day, and the cloudiest was 2014 at 5.4.
Average wind speed in El Paso during September is 2.4 m/s. The windiest September was 1982 at 3 m/s, while the calmest were 2015 and 2025 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.8°C | 23.3°C | 23.4°C | 24.4°C | 25.0°C | +2.2°C |
| Avg High | 29.7°C | 30.3°C | 30.5°C | 31.1°C | 32.1°C | +2.4°C |
| Avg Low | 15.9°C | 16.3°C | 16.4°C | 17.7°C | 17.9°C | +2°C |
| Avg Rain | 38 mm | 46 mm | 37 mm | 44 mm | 24 mm | -14 mm |
September temperatures in El Paso have risen by about 2.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 5.5°C (1995) to a record high of 40°C (2023).
Rainfall in September is a relatively wet time of year, averaging 39 mm, with a wettest year of 108 mm.
One of the best times to visit El Paso
September is one of the best times to visit El Paso. Expect days averaging 30.6°C and nights around 16.8°C (mean 23.7°C) — warmer than El Paso's yearly average — with moderate rainfall (39 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 | 31.2°C | 24.9°C | 18.5°C | 36.3°C | 15.4°C | 55 mm | 50% | 1.9 m/s | 5.6 |
| 2024 | 32.9°C | 25.3°C | 17.7°C | 36.2°C | 14.4°C | 9 mm | 38% | 2.4 m/s | 6.2 |
| 2023 🔥 | 34.6°C | 27.1°C | 19.5°C | 40.0°C | 17.2°C | 22 mm | 35% | 2.2 m/s | 6.3 |
| 2022 | 31.4°C | 24.6°C | 17.8°C | 34.4°C | 13.1°C | 28 mm | 47% | 2.3 m/s | 5.9 |
| 2021 | 31.3°C | 24.5°C | 17.8°C | 35.9°C | 13.3°C | 18 mm | 46% | 2 m/s | 6 |
| 2020 | 31.4°C | 23.8°C | 16.2°C | 37.9°C | 9.6°C | 13 mm | 38% | 2.7 m/s | 6.2 |
| 2019 | 31.6°C | 25.6°C | 19.7°C | 35.8°C | 15.7°C | 28 mm | 46% | 2.1 m/s | 5.8 |
| 2018 | 31.3°C | 24.2°C | 17.0°C | 35.5°C | 12.9°C | 37 mm | 48% | 2.3 m/s | 6.1 |
| 2017 | 31.7°C | 24.6°C | 17.5°C | 36.5°C | 14.3°C | 25 mm | 43% | 2.7 m/s | 6.1 |
| 2016 | 30.2°C | 23.8°C | 17.4°C | 35.1°C | 11.2°C | 47 mm | 51% | 2.6 m/s | 5.8 |
| 2015 | 32.3°C | 26.0°C | 19.7°C | 36.5°C | 16.0°C | 12 mm | 46% | 1.9 m/s | 5.6 |
| 2014 🌧️ | 28.7°C | 22.8°C | 17.0°C | 37.3°C | 11.8°C | 108 mm | 62% | 2.8 m/s | 5.4 |
| 2013 | 29.7°C | 23.3°C | 16.8°C | 36.4°C | 9.5°C | 103 mm | 52% | 2.8 m/s | 5.8 |
| 2012 | 31.0°C | 23.6°C | 16.2°C | 38.1°C | 9.3°C | 32 mm | 38% | 2.2 m/s | 5.9 |
| 2011 | 32.4°C | 24.9°C | 17.4°C | 37.6°C | 15.1°C | 19 mm | 33% | 2.7 m/s | 6.1 |
| 2010 | 31.6°C | 24.8°C | 18.0°C | 36.8°C | 14.3°C | 33 mm | 48% | 2.3 m/s | 6.1 |
| 2009 | 29.1°C | 22.5°C | 16.0°C | 33.1°C | 9.1°C | 65 mm | 48% | 2.3 m/s | 6 |
| 2008 | 27.7°C | 21.0°C | 14.4°C | 33.1°C | 11.2°C | 50 mm | 57% | 2.3 m/s | 6 |
| 2007 | 30.3°C | 24.0°C | 17.8°C | 34.8°C | 13.9°C | 50 mm | 52% | 2.3 m/s | 5.8 |
| 2006 ❄️ | 26.4°C | 20.1°C | 13.7°C | 30.6°C | 8.2°C | 94 mm | 59% | 2.4 m/s | 6 |
| 2005 | 31.9°C | 24.8°C | 17.6°C | 35.7°C | 12.4°C | 33 mm | 42% | 2.5 m/s | 6.2 |
| 2004 | 29.8°C | 22.6°C | 15.5°C | 35.5°C | 11.0°C | 30 mm | 45% | 2.5 m/s | 6 |
| 2003 | 32.2°C | 24.7°C | 17.2°C | 35.7°C | 14.1°C | 12 mm | 39% | 2.5 m/s | 6.3 |
| 2002 | 31.5°C | 24.2°C | 17.0°C | 35.9°C | 10.9°C | 17 mm | 39% | 2.8 m/s | 6.3 |
| 2001 | 32.0°C | 24.6°C | 17.2°C | 36.1°C | 10.9°C | 20 mm | 38% | 2.6 m/s | 6.3 |
| 2000 | 34.0°C | 25.9°C | 17.8°C | 38.0°C | 9.2°C | 2 mm | 28% | 2.7 m/s | 6.2 |
| 1999 | 31.2°C | 24.0°C | 16.8°C | 34.3°C | 7.6°C | 37 mm | 43% | 2.4 m/s | 6 |
| 1998 | 32.9°C | 25.6°C | 18.3°C | 36.3°C | 16.0°C | 12 mm | 40% | 2.9 m/s | 6 |
| 1997 | 32.4°C | 25.4°C | 18.5°C | 36.4°C | 14.8°C | 42 mm | 44% | 2.5 m/s | 6.1 |
| 1996 | 28.6°C | 21.7°C | 14.8°C | 33.2°C | 8.7°C | 61 mm | 50% | 2.4 m/s | 6 |
| 1995 | 29.8°C | 23.1°C | 16.4°C | 37.4°C | 5.5°C | 76 mm | 49% | 2.4 m/s | 6.1 |
| 1994 | 31.1°C | 23.7°C | 16.3°C | 34.9°C | 10.9°C | 20 mm | 39% | 2.4 m/s | 5.8 |
| 1993 | 30.2°C | 22.8°C | 15.4°C | 33.8°C | 10.6°C | 14 mm | 44% | 2.4 m/s | 6.3 |
| 1992 | 31.6°C | 23.9°C | 16.2°C | 36.1°C | 10.3°C | 23 mm | 39% | 2.5 m/s | 6.4 |
| 1991 | 26.8°C | 20.6°C | 14.3°C | 35.0°C | 7.1°C | 77 mm | 60% | 2.3 m/s | 5.7 |
| 1990 | 28.4°C | 22.4°C | 16.3°C | 33.0°C | 11.1°C | 102 mm | 57% | 2.3 m/s | 5.6 |
| 1989 | 30.1°C | 23.0°C | 15.9°C | 34.0°C | 8.5°C | 23 mm | 44% | 2.2 m/s | 6.5 |
| 1988 | 29.7°C | 22.4°C | 15.0°C | 34.1°C | 9.0°C | 32 mm | 43% | 2.3 m/s | 6 |
| 1987 | 29.1°C | 21.8°C | 14.6°C | 33.2°C | 9.8°C | 26 mm | 47% | 2.1 m/s | 5.7 |
| 1986 | 29.5°C | 22.5°C | 15.5°C | 33.2°C | 9.0°C | 23 mm | 49% | 2.5 m/s | 6.2 |
| 1985 | 27.7°C | 21.7°C | 15.8°C | 34.8°C | 8.0°C | 64 mm | 53% | 2.2 m/s | 6.1 |
| 1984 | 29.6°C | 22.2°C | 14.8°C | 35.4°C | 7.1°C | 14 mm | 47% | 2.9 m/s | 6.1 |
| 1983 | 31.1°C | 24.7°C | 18.3°C | 37.3°C | 10.7°C | 37 mm | 47% | 2.3 m/s | — |
| 1982 | 30.5°C | 23.8°C | 17.1°C | 37.2°C | 12.7°C | 83 mm | 46% | 3 m/s | — |
| 1981 | 29.6°C | 22.9°C | 16.1°C | 33.5°C | 11.7°C | 44 mm | 51% | 2.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.6°C with lows near 16.8°C (mean 23.7°C), based on 45 years of NASA POWER data.
September averages 39 mm of rainfall in El Paso, a relatively wet time of year. The wettest on record was 108 mm in 2014.
The hottest September reached 40°C in 2023. The coldest dipped to 5.5°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.2°C. Daytime highs moved from 29.7°C to 32.3°C and overnight lows from 16.4°C to 18.3°C over the same span.
September is one of the warmer months of the year in El Paso and a relatively wet time of year, so plan for around 30.6°C daytime highs and 16.8°C at night.
Not quite — September is the 9th coolest month in El Paso, averaging 23.7°C.
For September in El Paso, pack light, breathable clothing and sun protection, with typical highs of 30.6°C and lows of 16.8°C.
Relative humidity in September averages 46% — relatively dry.
Average wind speed in September is 2.4 m/s. The windiest September on record averaged 3 m/s (1982).
The wettest September on record was 2014 with 108 mm. On average, September sees 39 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 El Paso 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.
