September is one of the cooler months of the year in Ingham, with average highs near 26.3°C and lows around 20.5°C (mean 23.4°C). It is one of the drier months, averaging 19 mm of rainfall and 69% relative humidity across the period.
September is one of the cooler months of the year in Ingham. Across 45 years of records, the warmest Septembers in Ingham were 1992 and 2010 — when the month averaged 24.9°C — while the coldest was 1990 at 21.3°C. Typical September days reach 26.3°C with nights near 20.5°C. The long-term September temperature trend is broadly flat.
September is one of the drier months in Ingham, averaging 19 mm of rainfall. The wettest September on record was 2006 with 109 mm, while the driest was 1991 at 0 mm.
Relative humidity in Ingham during September averages 69%. The most humid September was 1998 at 80%, and the least humid was 1991 at 60%.
September receives about 6 kWh/m²/day of solar energy in Ingham. The sunniest September was 2019 at 6.6 kWh/m²/day, and the cloudiest was 2010 at 5.
Average wind speed in Ingham during September is 2.7 m/s. The windiest September was 1981 at 3.4 m/s, while the calmest were 1984, 2007 and 2014 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.2°C | 23.2°C | 23.3°C | 23.5°C | 23.8°C | +0.6°C |
| Avg High | 26.3°C | 26.2°C | 26.3°C | 26.4°C | 26.2°C | -0.1°C |
| Avg Low | 20.1°C | 20.3°C | 20.4°C | 20.7°C | 21.2°C | +1.1°C |
| Avg Rain | 19 mm | 24 mm | 22 mm | 16 mm | 12 mm | -7 mm |
September temperatures in Ingham have risen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 13.5°C (1990) to a record high of 33.2°C (2003).
Rainfall in September is one of the drier months, averaging 19 mm, with a wettest year of 109 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Ingham
September is one of the best times to visit Ingham. Expect days averaging 26.3°C and nights around 20.5°C (mean 23.4°C) — cooler than Ingham's yearly average — with low rainfall (19 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 | 26.4°C | 23.9°C | 21.3°C | 29.5°C | 19.7°C | 38 mm | 73% | 2.9 m/s | 5.4 |
| 2024 | 26.6°C | 24.1°C | 21.5°C | 30.8°C | 19.8°C | 6 mm | 71% | 3 m/s | 5.3 |
| 2023 | 25.9°C | 23.5°C | 21.1°C | 29.1°C | 18.7°C | 8 mm | 70% | 3.3 m/s | 6.1 |
| 2022 | 27.1°C | 24.5°C | 21.8°C | 30.2°C | 17.3°C | 8 mm | 74% | 2.4 m/s | 5.8 |
| 2021 | 25.6°C | 23.1°C | 20.6°C | 30.4°C | 17.6°C | 5 mm | 70% | 3.2 m/s | 5.6 |
| 2020 | 25.7°C | 23.4°C | 21.1°C | 28.6°C | 19.7°C | 10 mm | 74% | 3.2 m/s | 5.6 |
| 2019 | 25.9°C | 22.7°C | 19.4°C | 29.4°C | 16.6°C | 2 mm | 63% | 2.6 m/s | 6.6 |
| 2018 | 26.2°C | 23.5°C | 20.7°C | 29.3°C | 19.1°C | 2 mm | 67% | 2.8 m/s | 6.3 |
| 2017 | 26.5°C | 23.7°C | 20.9°C | 30.2°C | 19.0°C | 5 mm | 68% | 2.5 m/s | 6.1 |
| 2016 | 27.3°C | 24.7°C | 22.1°C | 31.5°C | 20.5°C | 13 mm | 76% | 2.6 m/s | 5.6 |
| 2015 | 26.0°C | 23.3°C | 20.6°C | 29.5°C | 19.7°C | 5 mm | 67% | 2.7 m/s | 5.9 |
| 2014 | 26.1°C | 23.1°C | 20.2°C | 28.9°C | 16.2°C | 10 mm | 68% | 2.3 m/s | 6.3 |
| 2013 | 27.5°C | 24.2°C | 20.9°C | 30.7°C | 19.5°C | 9 mm | 69% | 2.7 m/s | 6.2 |
| 2012 | 25.9°C | 23.1°C | 20.3°C | 28.2°C | 18.5°C | 6 mm | 72% | 2.5 m/s | 5.8 |
| 2011 | 25.1°C | 22.2°C | 19.3°C | 30.4°C | 14.9°C | 8 mm | 69% | 2.8 m/s | 5.9 |
| 2010 | 27.2°C | 24.9°C | 22.6°C | 29.4°C | 20.0°C | 104 mm | 79% | 2.6 m/s | 5 |
| 2009 | 27.5°C | 24.4°C | 21.2°C | 31.1°C | 19.8°C | 3 mm | 64% | 2.5 m/s | 6.2 |
| 2008 | 25.9°C | 23.4°C | 20.8°C | 28.9°C | 19.4°C | 40 mm | 75% | 2.7 m/s | 5.5 |
| 2007 | 26.3°C | 23.0°C | 19.7°C | 29.9°C | 17.5°C | 13 mm | 70% | 2.3 m/s | 6.3 |
| 2006 🌧️ | 24.3°C | 21.8°C | 19.2°C | 27.3°C | 13.9°C | 109 mm | 73% | 3 m/s | 5.8 |
| 2005 | 26.3°C | 23.3°C | 20.4°C | 28.9°C | 18.7°C | 4 mm | 69% | 2.5 m/s | 6 |
| 2004 | 25.4°C | 22.7°C | 20.1°C | 28.2°C | 18.2°C | 21 mm | 69% | 2.8 m/s | 5.8 |
| 2003 | 27.0°C | 23.7°C | 20.3°C | 33.2°C | 16.7°C | 4 mm | 63% | 2.5 m/s | 6.5 |
| 2002 | 26.9°C | 23.5°C | 20.2°C | 29.2°C | 17.6°C | 7 mm | 68% | 2.5 m/s | 6.5 |
| 2001 | 26.9°C | 24.1°C | 21.3°C | 30.7°C | 19.6°C | 19 mm | 68% | 3 m/s | 5.8 |
| 2000 | 26.5°C | 23.5°C | 20.6°C | 30.8°C | 18.5°C | 4 mm | 67% | 2.7 m/s | 6 |
| 1999 | 25.7°C | 22.9°C | 20.2°C | 29.4°C | 18.8°C | 15 mm | 71% | 3 m/s | 6.1 |
| 1998 | 25.8°C | 23.7°C | 21.7°C | 28.0°C | 18.8°C | 96 mm | 80% | 2.8 m/s | 5.4 |
| 1997 | 26.8°C | 23.6°C | 20.5°C | 29.6°C | 18.9°C | 16 mm | 71% | 2.5 m/s | 6.2 |
| 1996 | 27.0°C | 23.2°C | 19.4°C | 33.0°C | 15.4°C | 7 mm | 61% | 2.6 m/s | 6.5 |
| 1995 | 26.0°C | 23.1°C | 20.1°C | 30.2°C | 16.9°C | 5 mm | 70% | 2.5 m/s | 6.2 |
| 1994 | 26.0°C | 22.7°C | 19.4°C | 31.7°C | 17.5°C | 11 mm | 67% | 2.5 m/s | 6.3 |
| 1993 | 25.6°C | 23.1°C | 20.7°C | 28.9°C | 19.4°C | 41 mm | 73% | 2.9 m/s | 5.6 |
| 1992 🔥 | 27.9°C | 24.9°C | 21.9°C | 32.8°C | 20.0°C | 28 mm | 71% | 2.4 m/s | 5.9 |
| 1991 | 27.5°C | 24.0°C | 20.4°C | 30.2°C | 17.5°C | 0 mm | 60% | 2.5 m/s | 6.4 |
| 1990 ❄️ | 24.0°C | 21.3°C | 18.6°C | 26.0°C | 13.5°C | 24 mm | 68% | 3.2 m/s | 5.8 |
| 1989 | 26.5°C | 23.2°C | 19.8°C | 31.3°C | 16.6°C | 3 mm | 68% | 2.4 m/s | 6.1 |
| 1988 | 26.6°C | 23.3°C | 20.0°C | 30.5°C | 16.4°C | 15 mm | 69% | 2.7 m/s | 5.8 |
| 1987 | 25.3°C | 22.8°C | 20.3°C | 27.7°C | 16.7°C | 25 mm | 70% | 3 m/s | 5.6 |
| 1986 | 27.2°C | 24.1°C | 21.0°C | 32.4°C | 19.1°C | 27 mm | 69% | 2.6 m/s | 5.8 |
| 1985 | 26.3°C | 22.7°C | 19.2°C | 30.7°C | 14.3°C | 9 mm | 63% | 2.6 m/s | 6.3 |
| 1984 | 27.1°C | 23.7°C | 20.4°C | 29.8°C | 17.4°C | 11 mm | 67% | 2.3 m/s | 6.1 |
| 1983 | 26.7°C | 23.9°C | 21.1°C | 29.8°C | 18.4°C | 25 mm | 74% | 2.6 m/s | — |
| 1982 | 25.5°C | 22.4°C | 19.2°C | 32.7°C | 16.1°C | 14 mm | 67% | 2.6 m/s | — |
| 1981 | 25.4°C | 22.9°C | 20.3°C | 29.9°C | 17.0°C | 45 mm | 70% | 3.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 26.3°C with lows near 20.5°C (mean 23.4°C), based on 45 years of NASA POWER data.
September averages 19 mm of rainfall in Ingham, one of the drier months. The wettest on record was 109 mm in 2006.
The hottest September reached 33.2°C in 2003. The coldest dipped to 13.5°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.7°C. Daytime highs moved from 26.2°C to 26.3°C and overnight lows from 20°C to 21.3°C over the same span.
September is one of the cooler months of the year in Ingham and one of the drier months, so plan for around 26.3°C daytime highs and 20.5°C at night.
Not quite — September is the 5th coolest month in Ingham, averaging 23.4°C.
For September in Ingham, pack light layers you can adjust through the day, with typical highs of 26.3°C and lows of 20.5°C.
Relative humidity in September averages 69% — moderately humid.
Average wind speed in September is 2.7 m/s. The windiest September on record averaged 3.4 m/s (1981).
The wettest September on record was 2006 with 109 mm. On average, September sees 19 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 Ingham 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.
