September is one of the warmer months of the year in Valdosta, with average highs near 30.4°C and lows around 20.2°C (mean 25.3°C). It is about average for rainfall, averaging 105 mm of rainfall and 77% relative humidity across the period.
September is one of the warmer months of the year in Valdosta. Across 45 years of records, the warmest September in Valdosta was 2019 — when the month averaged 28.4°C — while the coldest was 1994 at 23.5°C. Typical September days reach 30.4°C with nights near 20.2°C. The long-term trend is warming, about 0.2°C per decade.
September is about average for rainfall in Valdosta, averaging 105 mm of rainfall. The wettest September on record was 2004 with 358 mm, while the driest was 2019 at 12 mm.
Relative humidity in Valdosta during September averages 77%. The most humid September was 2004 at 86%, and the least humid was 1990 at 63%.
September receives about 4.9 kWh/m²/day of solar energy in Valdosta. The sunniest September was 2019 at 5.9 kWh/m²/day, and the cloudiest was 1998 at 4.
Average wind speed in Valdosta during September is 1.3 m/s. The windiest September was 2004 at 2.3 m/s, while the calmest were 1986, 1987 and 2021, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.8°C | 25.4°C | 25.0°C | 26.0°C | 25.3°C | +0.5°C |
| Avg High | 30.0°C | 30.8°C | 29.9°C | 31.2°C | 30.1°C | +0.1°C |
| Avg Low | 19.6°C | 20.1°C | 20.1°C | 20.8°C | 20.4°C | +0.8°C |
| Avg Rain | 84 mm | 109 mm | 126 mm | 100 mm | 103 mm | +19 mm |
September temperatures in Valdosta have risen by about 0.9°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 9.5°C (1983) to a record high of 38.4°C (2019).
Rainfall in September is about average for rainfall, averaging 105 mm, with a wettest year of 358 mm.
One of the best times to visit Valdosta
September is one of the best times to visit Valdosta. Expect days averaging 30.4°C and nights around 20.2°C (mean 25.3°C) — warmer than Valdosta's yearly average — with higher rainfall (105 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 | 32.9°C | 26.4°C | 20.0°C | 36.7°C | 16.5°C | 14 mm | 67% | 1.3 m/s | 5.5 |
| 2024 | 29.8°C | 25.6°C | 21.4°C | 35.3°C | 18.5°C | 172 mm | 83% | 1.5 m/s | 4.1 |
| 2023 | 30.5°C | 25.4°C | 20.2°C | 33.8°C | 14.8°C | 81 mm | 78% | 1.2 m/s | 5.2 |
| 2022 | 29.2°C | 24.7°C | 20.1°C | 33.4°C | 14.4°C | 77 mm | 78% | 1.3 m/s | 5 |
| 2021 | 28.8°C | 24.4°C | 19.9°C | 31.4°C | 12.6°C | 147 mm | 83% | 1 m/s | 5.1 |
| 2020 | 29.4°C | 25.1°C | 20.7°C | 36.8°C | 10.7°C | 128 mm | 81% | 1.6 m/s | 4.4 |
| 2019 🔥 | 35.0°C | 28.4°C | 21.8°C | 38.4°C | 18.3°C | 12 mm | 64% | 1.4 m/s | 5.9 |
| 2018 | 32.5°C | 27.6°C | 22.6°C | 35.4°C | 21.0°C | 71 mm | 78% | 1.1 m/s | 5.5 |
| 2017 | 29.5°C | 24.8°C | 20.1°C | 32.6°C | 15.2°C | 171 mm | 80% | 1.4 m/s | 4.9 |
| 2016 | 30.6°C | 25.7°C | 20.9°C | 33.2°C | 15.4°C | 158 mm | 78% | 1.2 m/s | 5.3 |
| 2015 | 29.4°C | 24.9°C | 20.4°C | 33.8°C | 12.7°C | 98 mm | 81% | 1.3 m/s | 4.3 |
| 2014 | 30.3°C | 25.6°C | 20.9°C | 36.5°C | 14.2°C | 173 mm | 81% | 1.1 m/s | 4.5 |
| 2013 | 29.5°C | 24.9°C | 20.4°C | 32.0°C | 15.3°C | 56 mm | 83% | 1.2 m/s | 5.1 |
| 2012 | 30.0°C | 24.9°C | 19.8°C | 32.6°C | 12.4°C | 102 mm | 79% | 1.2 m/s | 5.1 |
| 2011 | 32.1°C | 26.0°C | 19.9°C | 35.7°C | 14.6°C | 85 mm | 67% | 1.3 m/s | 5.1 |
| 2010 | 33.4°C | 27.0°C | 20.7°C | 37.0°C | 14.3°C | 70 mm | 66% | 1.2 m/s | 5.4 |
| 2009 | 29.8°C | 25.1°C | 20.4°C | 33.7°C | 12.8°C | 74 mm | 80% | 1.3 m/s | 4.9 |
| 2008 | 29.4°C | 24.5°C | 19.5°C | 32.5°C | 11.6°C | 37 mm | 80% | 1.4 m/s | 5.4 |
| 2007 | 31.0°C | 25.9°C | 20.7°C | 34.0°C | 15.7°C | 89 mm | 76% | 1.5 m/s | 5.3 |
| 2006 | 31.1°C | 25.4°C | 19.7°C | 35.0°C | 12.3°C | 86 mm | 71% | 1.1 m/s | 5 |
| 2005 | 32.5°C | 26.8°C | 21.1°C | 36.9°C | 17.1°C | 38 mm | 71% | 1.5 m/s | 5.5 |
| 2004 🌧️ | 28.4°C | 24.5°C | 20.6°C | 31.7°C | 13.3°C | 358 mm | 86% | 2.3 m/s | 4.3 |
| 2003 | 28.8°C | 23.8°C | 18.9°C | 31.7°C | 10.9°C | 65 mm | 80% | 1.3 m/s | 4.9 |
| 2002 | 31.5°C | 26.9°C | 22.2°C | 36.8°C | 19.5°C | 142 mm | 79% | 1.6 m/s | 4.6 |
| 2001 | 28.5°C | 23.6°C | 18.7°C | 32.3°C | 10.3°C | 123 mm | 77% | 1.3 m/s | 4.9 |
| 2000 | 27.7°C | 23.7°C | 19.6°C | 31.1°C | 11.8°C | 247 mm | 85% | 1.7 m/s | 4.2 |
| 1999 | 31.6°C | 25.5°C | 19.4°C | 36.9°C | 11.0°C | 119 mm | 67% | 1.6 m/s | 5.1 |
| 1998 | 29.1°C | 25.0°C | 20.8°C | 31.6°C | 15.9°C | 341 mm | 84% | 1.5 m/s | 4 |
| 1997 | 33.3°C | 27.1°C | 20.9°C | 37.1°C | 15.5°C | 86 mm | 67% | 1.2 m/s | 5.3 |
| 1996 | 30.4°C | 25.0°C | 19.6°C | 33.5°C | 13.9°C | 107 mm | 75% | 1.2 m/s | 4.9 |
| 1995 | 31.3°C | 25.8°C | 20.3°C | 35.0°C | 14.7°C | 77 mm | 76% | 1.5 m/s | 4.9 |
| 1994 ❄️ | 28.2°C | 23.5°C | 18.9°C | 31.5°C | 13.1°C | 122 mm | 84% | 1.3 m/s | 4.9 |
| 1993 | 31.5°C | 26.2°C | 20.9°C | 35.1°C | 11.9°C | 98 mm | 73% | 1.1 m/s | 4.8 |
| 1992 | 29.5°C | 24.9°C | 20.3°C | 32.9°C | 14.3°C | 71 mm | 82% | 1.3 m/s | 4.7 |
| 1991 | 29.2°C | 24.3°C | 19.3°C | 33.1°C | 11.9°C | 29 mm | 81% | 1.3 m/s | 5.4 |
| 1990 | 33.6°C | 27.1°C | 20.7°C | 38.1°C | 12.2°C | 41 mm | 63% | 1.2 m/s | 5.3 |
| 1989 | 30.5°C | 25.4°C | 20.2°C | 34.2°C | 14.2°C | 78 mm | 78% | 1.5 m/s | 4.9 |
| 1988 | 29.0°C | 24.9°C | 20.7°C | 32.0°C | 16.4°C | 185 mm | 85% | 1.4 m/s | 4.2 |
| 1987 | 30.0°C | 25.1°C | 20.2°C | 32.4°C | 13.9°C | 79 mm | 76% | 1 m/s | 4.5 |
| 1986 | 31.0°C | 25.9°C | 20.8°C | 36.0°C | 18.6°C | 50 mm | 78% | 1 m/s | 5.1 |
| 1985 | 29.0°C | 24.0°C | 19.0°C | 32.3°C | 11.3°C | 39 mm | 78% | 1.5 m/s | 5.1 |
| 1984 | 31.4°C | 25.0°C | 18.5°C | 35.4°C | 14.3°C | 55 mm | 70% | 1.7 m/s | 5 |
| 1983 | 28.9°C | 23.8°C | 18.7°C | 34.5°C | 9.5°C | 105 mm | 76% | 1.3 m/s | — |
| 1982 | 29.4°C | 24.3°C | 19.2°C | 34.5°C | 10.5°C | 121 mm | 76% | 1.1 m/s | — |
| 1981 | 31.2°C | 24.9°C | 18.7°C | 34.0°C | 9.8°C | 47 mm | 68% | 1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.4°C with lows near 20.2°C (mean 25.3°C), based on 45 years of NASA POWER data.
September averages 105 mm of rainfall in Valdosta, about average for rainfall. The wettest on record was 358 mm in 2004.
The hottest September reached 38.4°C in 2019. The coldest dipped to 9.5°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.9°C. Daytime highs moved from 30°C to 30.2°C and overnight lows from 18.8°C to 20.3°C over the same span.
September is one of the warmer months of the year in Valdosta and about average for rainfall, so plan for around 30.4°C daytime highs and 20.2°C at night.
Not quite — September is the 9th coolest month in Valdosta, averaging 25.3°C.
For September in Valdosta, pack light, breathable clothing and sun protection, with typical highs of 30.4°C and lows of 20.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 77% — quite humid.
Average wind speed in September is 1.3 m/s. The windiest September on record averaged 2.3 m/s (2004).
The wettest September on record was 2004 with 358 mm. On average, September sees 105 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 Valdosta 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.
