September is one of the warmer months of the year in Val-d’Or, with average highs near 16.9°C and lows around 7.1°C (mean 12°C). It is a relatively wet time of year, averaging 98 mm of rainfall and 82% relative humidity across the period.
September is one of the warmer months of the year in Val-d’Or. Across 45 years of records, the warmest September in Val-d’Or was 2024 — when the month averaged 15.2°C — while the coldest were 1993 and 1995 at 9.1°C. Typical September days reach 16.9°C with nights near 7.1°C. The long-term trend is warming, about 0.6°C per decade.
September is a relatively wet time of year in Val-d’Or, averaging 98 mm of rainfall. The wettest September on record was 2010 with 222 mm, while the driest was 2011 at 30 mm.
Relative humidity in Val-d’Or during September averages 82%. The most humid September was 2010 at 86%, and the least humid was 2012 at 78%.
September receives about 3.3 kWh/m²/day of solar energy in Val-d’Or. The sunniest Septembers were 2009 and 2023 at 4 kWh/m²/day, and the cloudiest was 2010 at 2.7.
Average wind speed in Val-d’Or during September is 0.3 m/s. The windiest Septembers were 1988, 1994 and 2020 at 0.4 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.3°C | 11.0°C | 12.4°C | 12.6°C | 13.1°C | +1.8°C |
| Avg High | 15.9°C | 15.9°C | 17.4°C | 17.6°C | 18.2°C | +2.3°C |
| Avg Low | 6.6°C | 6.1°C | 7.5°C | 7.6°C | 8.0°C | +1.4°C |
| Avg Rain | 94 mm | 109 mm | 92 mm | 103 mm | 87 mm | -6 mm |
September temperatures in Val-d’Or have risen by about 2.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of -4.4°C (2000) to a record high of 29.9°C (2023).
Rainfall in September is a relatively wet time of year, averaging 98 mm, with a wettest year of 222 mm.
One of the best times to visit Val-d’Or
September is one of the best times to visit Val-d’Or. Expect days averaging 16.9°C and nights around 7.1°C (mean 12°C) — warmer than Val-d’Or's yearly average — with higher rainfall (98 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 | 18.1°C | 12.8°C | 7.6°C | 24.3°C | 0.7°C | 32 mm | 80% | 0.3 m/s | 3.6 |
| 2024 🔥 | 20.3°C | 15.2°C | 10.1°C | 26.4°C | 3.1°C | 93 mm | 81% | 0.3 m/s | 3.5 |
| 2023 | 19.9°C | 14.4°C | 8.8°C | 29.9°C | 3.2°C | 72 mm | 81% | 0.3 m/s | 4 |
| 2022 | 17.2°C | 12.1°C | 7.1°C | 26.4°C | -0.7°C | 110 mm | 82% | 0.3 m/s | 3.5 |
| 2021 | 17.4°C | 12.8°C | 8.2°C | 24.6°C | 2.9°C | 141 mm | 83% | 0.3 m/s | 2.9 |
| 2020 | 16.1°C | 11.2°C | 6.4°C | 23.0°C | -1.9°C | 77 mm | 80% | 0.4 m/s | 3.1 |
| 2019 | 16.1°C | 11.5°C | 6.9°C | 24.3°C | 1.0°C | 113 mm | 85% | 0.3 m/s | 3 |
| 2018 | 17.9°C | 12.3°C | 6.8°C | 26.3°C | -4.3°C | 131 mm | 82% | 0.3 m/s | 3.5 |
| 2017 | 19.2°C | 14.2°C | 9.2°C | 27.5°C | 2.1°C | 48 mm | 83% | 0.3 m/s | 3.6 |
| 2016 | 18.6°C | 13.8°C | 8.9°C | 26.9°C | 1.5°C | 77 mm | 82% | 0.3 m/s | 3.7 |
| 2015 | 20.4°C | 14.8°C | 9.1°C | 27.0°C | 0.5°C | 71 mm | 81% | 0.3 m/s | 3.8 |
| 2014 | 15.9°C | 11.3°C | 6.8°C | 24.1°C | -2.8°C | 126 mm | 84% | 0.3 m/s | 3.1 |
| 2013 | 16.9°C | 11.6°C | 6.3°C | 23.3°C | 0.0°C | 86 mm | 82% | 0.3 m/s | 3.4 |
| 2012 | 16.6°C | 11.9°C | 7.1°C | 27.8°C | -0.4°C | 123 mm | 78% | 0.3 m/s | 3.1 |
| 2011 | 18.3°C | 13.0°C | 7.7°C | 26.5°C | 1.4°C | 30 mm | 79% | 0.3 m/s | 3.8 |
| 2010 🌧️ | 15.7°C | 11.6°C | 7.4°C | 29.5°C | 2.1°C | 222 mm | 86% | 0.3 m/s | 2.7 |
| 2009 | 17.5°C | 12.2°C | 6.9°C | 22.6°C | 0.3°C | 56 mm | 82% | 0.3 m/s | 4 |
| 2008 | 16.8°C | 11.7°C | 6.6°C | 25.8°C | -0.3°C | 84 mm | 83% | 0.3 m/s | 3.6 |
| 2007 | 17.9°C | 12.7°C | 7.5°C | 26.9°C | 1.4°C | 51 mm | 79% | 0.3 m/s | 3.3 |
| 2006 | 15.5°C | 10.7°C | 5.9°C | 24.2°C | 0.1°C | 122 mm | 83% | 0.3 m/s | 3.3 |
| 2005 | 18.7°C | 13.6°C | 8.4°C | 27.0°C | 1.5°C | 104 mm | 80% | 0.3 m/s | 3.5 |
| 2004 | 18.6°C | 13.3°C | 8.0°C | 25.2°C | 1.7°C | 50 mm | 82% | 0.3 m/s | 3.4 |
| 2003 | 17.9°C | 13.5°C | 9.0°C | 27.2°C | 1.5°C | 107 mm | 85% | 0.3 m/s | 3.4 |
| 2002 | 19.0°C | 14.0°C | 9.0°C | 28.3°C | 2.3°C | 98 mm | 82% | 0.3 m/s | 3.4 |
| 2001 | 16.5°C | 12.0°C | 7.5°C | 26.6°C | 2.1°C | 162 mm | 86% | 0.3 m/s | 2.9 |
| 2000 | 15.2°C | 10.4°C | 5.7°C | 25.3°C | -4.4°C | 86 mm | 83% | 0.3 m/s | 2.8 |
| 1999 | 18.6°C | 13.6°C | 8.6°C | 28.9°C | -0.3°C | 147 mm | 82% | 0.3 m/s | 3.3 |
| 1998 | 16.3°C | 11.7°C | 7.1°C | 23.4°C | 2.4°C | 103 mm | 84% | 0.3 m/s | 3.2 |
| 1997 | 15.7°C | 11.2°C | 6.7°C | 23.0°C | -1.2°C | 104 mm | 84% | 0.3 m/s | 3.1 |
| 1996 | 17.9°C | 13.2°C | 8.6°C | 27.9°C | 1.2°C | 86 mm | 83% | 0.3 m/s | 3.6 |
| 1995 | 14.5°C | 9.1°C | 3.7°C | 21.6°C | -2.7°C | 81 mm | 80% | 0.3 m/s | 3.4 |
| 1994 | 16.5°C | 11.7°C | 6.8°C | 23.9°C | 0.6°C | 108 mm | 83% | 0.4 m/s | 3.5 |
| 1993 ❄️ | 14.3°C | 9.1°C | 4.0°C | 22.0°C | -3.4°C | 106 mm | 82% | 0.3 m/s | 3.3 |
| 1992 | 16.4°C | 11.1°C | 5.9°C | 24.2°C | -3.3°C | 121 mm | 82% | 0.3 m/s | 2.9 |
| 1991 | 14.4°C | 9.6°C | 4.8°C | 23.4°C | -3.4°C | 93 mm | 82% | 0.3 m/s | 3.3 |
| 1990 | 14.4°C | 9.8°C | 5.2°C | 25.0°C | -1.7°C | 145 mm | 85% | 0.3 m/s | 2.8 |
| 1989 | 17.0°C | 11.9°C | 6.8°C | 24.9°C | -2.9°C | 80 mm | 82% | 0.3 m/s | 3.6 |
| 1988 | 15.5°C | 10.8°C | 6.1°C | 25.6°C | -0.5°C | 130 mm | 84% | 0.4 m/s | 2.8 |
| 1987 | 16.8°C | 12.1°C | 7.3°C | 24.5°C | -2.1°C | 88 mm | 83% | 0.3 m/s | 3.3 |
| 1986 | 14.1°C | 9.4°C | 4.7°C | 21.6°C | -1.0°C | 116 mm | 83% | 0.3 m/s | 3 |
| 1985 | 16.5°C | 11.8°C | 7.1°C | 25.0°C | 1.5°C | 62 mm | 82% | 0.3 m/s | 3.3 |
| 1984 | 14.3°C | 9.8°C | 5.2°C | 23.5°C | -0.7°C | 86 mm | 82% | 0.3 m/s | 3.8 |
| 1983 | 17.5°C | 13.0°C | 8.5°C | 26.9°C | 1.4°C | 100 mm | 84% | 0.3 m/s | — |
| 1982 | 16.1°C | 11.6°C | 7.2°C | 25.9°C | 1.6°C | 107 mm | 85% | 0.3 m/s | — |
| 1981 | 15.2°C | 10.9°C | 6.6°C | 24.8°C | -3.0°C | 75 mm | 83% | 0.3 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 16.9°C with lows near 7.1°C (mean 12°C), based on 45 years of NASA POWER data.
September averages 98 mm of rainfall in Val-d’Or, a relatively wet time of year. The wettest on record was 222 mm in 2010.
The hottest September reached 29.9°C in 2023. The coldest dipped to -4.4°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.1°C. Daytime highs moved from 15.9°C to 18.6°C and overnight lows from 6.9°C to 8.4°C over the same span.
September is one of the warmer months of the year in Val-d’Or and a relatively wet time of year, so plan for around 16.9°C daytime highs and 7.1°C at night.
Not quite — September is the 9th coolest month in Val-d’Or, averaging 12°C.
For September in Val-d’Or, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 7.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 82% — quite humid.
Average wind speed in September is 0.3 m/s. The windiest September on record averaged 0.4 m/s (1988).
The wettest September on record was 2010 with 222 mm. On average, September sees 98 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 Val-d’Or 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.
