September is one of the warmer months of the year in Dawson Creek, with average highs near 16.1°C and lows around 4.4°C (mean 10.3°C). It is about average for rainfall, averaging 41 mm of rainfall and 72% relative humidity across the period.
September is one of the warmer months of the year in Dawson Creek. Across 45 years of records, the warmest September in Dawson Creek was 2025 — when the month averaged 14.5°C — while the coldest was 2018 at 4.6°C. Typical September days reach 16.1°C with nights near 4.4°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Dawson Creek, averaging 41 mm of rainfall. The wettest September on record was 1985 with 97 mm, while the driest was 1990 at 10 mm.
Relative humidity in Dawson Creek during September averages 72%. The most humid September was 1997 at 82%, and the least humid was 2012 at 57%.
September receives about 3.2 kWh/m²/day of solar energy in Dawson Creek. The sunniest September was 2012 at 3.9 kWh/m²/day, and the cloudiest were 2018 and 2019 at 2.7.
Average wind speed in Dawson Creek during September is 1.7 m/s. The windiest September was 2004 at 2.1 m/s, while the calmest was 1986 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.2°C | 10.3°C | 10.0°C | 10.2°C | 12.3°C | +3.1°C |
| Avg High | 14.9°C | 16.2°C | 15.7°C | 16.0°C | 18.2°C | +3.3°C |
| Avg Low | 3.5°C | 4.3°C | 4.3°C | 4.3°C | 6.4°C | +2.9°C |
| Avg Rain | 46 mm | 37 mm | 44 mm | 41 mm | 34 mm | -12 mm |
September temperatures in Dawson Creek have risen by about 4.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of -6.2°C (1983) to a record high of 30.8°C (2006).
Rainfall in September is about average for rainfall, averaging 41 mm, with a wettest year of 97 mm.
One of the best times to visit Dawson Creek
September is one of the best times to visit Dawson Creek. Expect days averaging 16.1°C and nights around 4.4°C (mean 10.3°C) — warmer than Dawson Creek's yearly average — with moderate rainfall (41 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 🔥 | 20.5°C | 14.5°C | 8.5°C | 29.0°C | 0.4°C | 20 mm | 66% | 1.7 m/s | 3.4 |
| 2024 | 18.0°C | 12.3°C | 6.6°C | 28.4°C | -0.3°C | 42 mm | 71% | 1.7 m/s | 3.2 |
| 2023 | 18.5°C | 12.3°C | 6.0°C | 26.1°C | 2.9°C | 23 mm | 67% | 1.7 m/s | 3.4 |
| 2022 | 20.0°C | 13.4°C | 6.9°C | 29.4°C | 0.9°C | 39 mm | 66% | 1.8 m/s | 3.7 |
| 2021 | 16.7°C | 11.1°C | 5.5°C | 24.0°C | 0.1°C | 40 mm | 71% | 1.9 m/s | 3.4 |
| 2020 | 15.3°C | 10.2°C | 5.0°C | 22.6°C | -0.7°C | 38 mm | 80% | 1.7 m/s | 3.2 |
| 2019 | 14.3°C | 9.5°C | 4.7°C | 23.7°C | -5.4°C | 53 mm | 82% | 1.6 m/s | 2.7 |
| 2018 ❄️ | 9.7°C | 4.6°C | -0.5°C | 19.2°C | -6.2°C | 57 mm | 78% | 1.5 m/s | 2.7 |
| 2017 | 18.3°C | 12.0°C | 5.8°C | 30.0°C | 0.1°C | 55 mm | 71% | 1.6 m/s | 3.4 |
| 2016 | 14.6°C | 9.3°C | 4.0°C | 20.5°C | 0.3°C | 71 mm | 79% | 1.8 m/s | 3.2 |
| 2015 | 15.0°C | 9.1°C | 3.2°C | 23.7°C | -0.8°C | 44 mm | 72% | 1.7 m/s | 3.1 |
| 2014 | 16.9°C | 10.6°C | 4.3°C | 26.5°C | -5.2°C | 39 mm | 72% | 1.6 m/s | 2.9 |
| 2013 | 19.7°C | 13.1°C | 6.6°C | 30.7°C | -1.0°C | 25 mm | 69% | 1.7 m/s | 3.7 |
| 2012 | 20.7°C | 13.6°C | 6.6°C | 27.8°C | 3.2°C | 10 mm | 57% | 2 m/s | 3.9 |
| 2011 | 17.0°C | 11.3°C | 5.5°C | 24.9°C | 1.3°C | 31 mm | 77% | 1.8 m/s | 3.4 |
| 2010 | 14.1°C | 8.4°C | 2.7°C | 24.5°C | -3.9°C | 28 mm | 71% | 1.5 m/s | 3 |
| 2009 | 18.7°C | 12.8°C | 6.9°C | 27.6°C | -3.5°C | 46 mm | 70% | 2 m/s | 3.3 |
| 2008 | 16.8°C | 10.8°C | 4.8°C | 24.2°C | -2.6°C | 40 mm | 72% | 1.6 m/s | 3.3 |
| 2007 | 14.6°C | 8.8°C | 3.0°C | 22.7°C | -4.7°C | 22 mm | 76% | 1.7 m/s | 3.3 |
| 2006 | 17.8°C | 11.9°C | 5.9°C | 30.8°C | -1.7°C | 33 mm | 65% | 1.9 m/s | 3.1 |
| 2005 | 14.8°C | 9.3°C | 3.7°C | 20.4°C | -0.7°C | 41 mm | 73% | 1.8 m/s | 3.2 |
| 2004 | 12.3°C | 7.5°C | 2.7°C | 20.4°C | -3.6°C | 89 mm | 80% | 2.1 m/s | 3 |
| 2003 | 15.7°C | 9.7°C | 3.7°C | 25.7°C | -4.8°C | 26 mm | 71% | 1.8 m/s | 3.3 |
| 2002 | 14.1°C | 8.7°C | 3.2°C | 22.0°C | -1.6°C | 59 mm | 75% | 1.8 m/s | 2.8 |
| 2001 | 17.5°C | 11.3°C | 5.1°C | 24.7°C | 0.0°C | 20 mm | 68% | 2 m/s | 3.5 |
| 2000 | 14.3°C | 9.0°C | 3.8°C | 19.8°C | -5.0°C | 65 mm | 81% | 1.9 m/s | 3.1 |
| 1999 | 16.6°C | 10.4°C | 4.3°C | 25.5°C | -3.1°C | 32 mm | 67% | 1.7 m/s | 3.4 |
| 1998 | 17.9°C | 11.4°C | 4.9°C | 23.7°C | 0.5°C | 15 mm | 59% | 1.8 m/s | 3.5 |
| 1997 | 15.5°C | 10.3°C | 5.2°C | 23.8°C | -0.8°C | 58 mm | 82% | 1.6 m/s | 3.2 |
| 1996 | 13.1°C | 7.8°C | 2.4°C | 21.1°C | -5.2°C | 64 mm | 80% | 1.5 m/s | 2.8 |
| 1995 | 19.3°C | 12.6°C | 5.8°C | 25.4°C | -3.3°C | 12 mm | 66% | 1.5 m/s | 3.7 |
| 1994 | 17.1°C | 11.3°C | 5.6°C | 23.9°C | -2.5°C | 54 mm | 70% | 1.9 m/s | 3.1 |
| 1993 | 16.3°C | 10.3°C | 4.2°C | 24.2°C | -3.2°C | 31 mm | 72% | 1.7 m/s | 3.7 |
| 1992 | 11.2°C | 5.9°C | 0.6°C | 18.1°C | -5.4°C | 68 mm | 74% | 1.9 m/s | 2.8 |
| 1991 | 16.7°C | 10.9°C | 5.0°C | 23.8°C | -0.2°C | 30 mm | 71% | 1.8 m/s | 3.3 |
| 1990 | 18.7°C | 11.9°C | 5.0°C | 25.5°C | -0.7°C | 10 mm | 65% | 1.8 m/s | 3.6 |
| 1989 | 16.2°C | 10.3°C | 4.4°C | 24.4°C | -1.5°C | 68 mm | 76% | 1.6 m/s | 3.3 |
| 1988 | 15.8°C | 9.8°C | 3.9°C | 29.4°C | -3.2°C | 25 mm | 69% | 1.8 m/s | 3.3 |
| 1987 | 17.5°C | 11.7°C | 5.9°C | 23.8°C | 1.6°C | 17 mm | 76% | 1.8 m/s | 3.6 |
| 1986 | 13.5°C | 8.1°C | 2.7°C | 22.3°C | -3.3°C | 73 mm | 73% | 1.4 m/s | 2.9 |
| 1985 🌧️ | 12.3°C | 6.8°C | 1.3°C | 22.7°C | -4.5°C | 97 mm | 77% | 1.9 m/s | 3 |
| 1984 | 11.6°C | 6.3°C | 0.9°C | 18.0°C | -4.6°C | 59 mm | 78% | 1.5 m/s | 2.9 |
| 1983 | 12.9°C | 7.5°C | 2.1°C | 19.9°C | -6.2°C | 32 mm | 73% | 1.7 m/s | — |
| 1982 | 16.7°C | 10.9°C | 5.1°C | 24.0°C | -1.9°C | 18 mm | 75% | 1.5 m/s | — |
| 1981 | 17.7°C | 11.3°C | 5.0°C | 29.8°C | -2.0°C | 22 mm | 67% | 1.6 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 16.1°C with lows near 4.4°C (mean 10.3°C), based on 45 years of NASA POWER data.
September averages 41 mm of rainfall in Dawson Creek, about average for rainfall. The wettest on record was 97 mm in 1985.
The hottest September reached 30.8°C in 2006. The coldest dipped to -6.2°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 4.1°C. Daytime highs moved from 14.2°C to 18.7°C and overnight lows from 2.9°C to 6.7°C over the same span.
September is one of the warmer months of the year in Dawson Creek and about average for rainfall, so plan for around 16.1°C daytime highs and 4.4°C at night.
Not quite — September is the 9th coolest month in Dawson Creek, averaging 10.3°C.
For September in Dawson Creek, pack warm layers and a jacket for chilly mornings, with typical highs of 16.1°C and lows of 4.4°C.
Relative humidity in September averages 72% — moderately humid.
Average wind speed in September is 1.7 m/s. The windiest September on record averaged 2.1 m/s (2004).
The wettest September on record was 1985 with 97 mm. On average, September sees 41 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 Dawson Creek 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.
