September is one of the warmer months of the year in Ashington, with average highs near 15.7°C and lows around 8.8°C (mean 12.3°C). It is about average for rainfall, averaging 70 mm of rainfall and 87% relative humidity across the period.
September is one of the warmer months of the year in Ashington. Across 45 years of records, the warmest September in Ashington was 2006 — when the month averaged 14.7°C — while the coldest was 1986 at 10.1°C. Typical September days reach 15.7°C with nights near 8.8°C. The long-term trend is warming, about 0.3°C per decade.
September is about average for rainfall in Ashington, averaging 70 mm of rainfall. The wettest September on record was 2008 with 121 mm, while the driest was 1986 at 24 mm.
Relative humidity in Ashington during September averages 87%. The most humid September was 2008 at 90%, and the least humid was 1990 at 83%.
September receives about 2.8 kWh/m²/day of solar energy in Ashington. The sunniest September was 1986 at 3.4 kWh/m²/day, and the cloudiest was 2000 at 2.1.
Average wind speed in Ashington during September is 3.6 m/s. The windiest September was 1983 at 4.6 m/s, while the calmest was 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 | 11.7°C | 11.9°C | 12.6°C | 12.3°C | 12.9°C | +1.2°C |
| Avg High | 15.1°C | 15.3°C | 16.0°C | 15.7°C | 16.5°C | +1.4°C |
| Avg Low | 8.3°C | 8.5°C | 9.2°C | 8.8°C | 9.5°C | +1.2°C |
| Avg Rain | 71 mm | 69 mm | 67 mm | 69 mm | 76 mm | +6 mm |
September temperatures in Ashington have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 2.1°C (1995) to a record high of 24.6°C (2023).
Rainfall in September is about average for rainfall, averaging 70 mm, with a wettest year of 121 mm.
One of the best times to visit Ashington
September is one of the best times to visit Ashington. Expect days averaging 15.7°C and nights around 8.8°C (mean 12.3°C) — warmer than Ashington's yearly average — with moderate rainfall (70 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 | 16.0°C | 12.4°C | 8.9°C | 19.2°C | 2.9°C | 120 mm | 86% | 3.5 m/s | 3.3 |
| 2024 | 15.3°C | 11.9°C | 8.6°C | 20.1°C | 3.3°C | 77 mm | 88% | 3.4 m/s | 2.8 |
| 2023 | 17.7°C | 14.2°C | 10.8°C | 24.6°C | 7.4°C | 84 mm | 88% | 3.4 m/s | 2.9 |
| 2022 | 16.2°C | 12.8°C | 9.4°C | 21.6°C | 4.6°C | 78 mm | 88% | 3.2 m/s | 2.8 |
| 2021 | 17.8°C | 14.2°C | 10.6°C | 23.9°C | 6.3°C | 40 mm | 88% | 3 m/s | 2.8 |
| 2020 | 15.7°C | 12.0°C | 8.4°C | 22.2°C | 3.1°C | 58 mm | 86% | 3.8 m/s | 3 |
| 2019 | 15.7°C | 12.3°C | 8.8°C | 20.0°C | 4.8°C | 104 mm | 87% | 3.6 m/s | 3.1 |
| 2018 | 15.3°C | 11.7°C | 8.2°C | 21.3°C | 3.6°C | 65 mm | 85% | 4.3 m/s | 3 |
| 2017 | 15.3°C | 12.1°C | 8.8°C | 19.0°C | 4.6°C | 103 mm | 89% | 3.6 m/s | 2.8 |
| 2016 | 17.4°C | 13.9°C | 10.4°C | 23.6°C | 7.2°C | 50 mm | 88% | 3.7 m/s | 3 |
| 2015 | 15.1°C | 11.3°C | 7.5°C | 17.2°C | 5.2°C | 35 mm | 88% | 3 m/s | 2.9 |
| 2014 | 17.1°C | 13.1°C | 9.1°C | 20.1°C | 6.4°C | 25 mm | 88% | 2.3 m/s | 2.8 |
| 2013 | 15.2°C | 11.7°C | 8.3°C | 20.1°C | 5.0°C | 54 mm | 88% | 3.6 m/s | 2.9 |
| 2012 | 14.5°C | 11.2°C | 7.9°C | 20.2°C | 2.6°C | 102 mm | 88% | 4.4 m/s | 3 |
| 2011 | 16.2°C | 12.8°C | 9.4°C | 22.6°C | 6.1°C | 64 mm | 87% | 4.3 m/s | 3.1 |
| 2010 | 15.7°C | 12.5°C | 9.3°C | 19.2°C | 4.7°C | 86 mm | 87% | 3.9 m/s | 2.9 |
| 2009 | 15.7°C | 12.5°C | 9.3°C | 21.0°C | 6.1°C | 46 mm | 87% | 3.8 m/s | 2.9 |
| 2008 🌧️ | 15.2°C | 12.1°C | 9.1°C | 18.0°C | 6.5°C | 121 mm | 90% | 3.2 m/s | 2.6 |
| 2007 | 15.4°C | 11.9°C | 8.5°C | 20.1°C | 3.4°C | 48 mm | 87% | 3.9 m/s | 2.9 |
| 2006 🔥 | 18.4°C | 14.7°C | 11.0°C | 22.3°C | 7.0°C | 71 mm | 88% | 3.3 m/s | 2.9 |
| 2005 | 16.5°C | 13.0°C | 9.6°C | 21.5°C | 4.2°C | 64 mm | 87% | 4 m/s | 2.9 |
| 2004 | 15.9°C | 12.6°C | 9.3°C | 22.4°C | 5.8°C | 42 mm | 87% | 4.4 m/s | 3.1 |
| 2003 | 16.4°C | 12.6°C | 8.7°C | 21.0°C | 3.1°C | 58 mm | 86% | 2.8 m/s | 3.2 |
| 2002 | 16.1°C | 12.6°C | 9.0°C | 19.3°C | 6.3°C | 29 mm | 87% | 2.4 m/s | 2.8 |
| 2001 | 14.9°C | 11.9°C | 8.8°C | 19.0°C | 6.7°C | 88 mm | 88% | 4.2 m/s | 2.5 |
| 2000 | 15.9°C | 12.5°C | 9.1°C | 20.9°C | 4.9°C | 108 mm | 89% | 3.3 m/s | 2.1 |
| 1999 | 17.4°C | 13.7°C | 10.1°C | 22.9°C | 6.6°C | 84 mm | 88% | 3.3 m/s | 3.2 |
| 1998 | 15.8°C | 12.8°C | 9.8°C | 21.5°C | 5.6°C | 83 mm | 90% | 3.3 m/s | 2.4 |
| 1997 | 15.4°C | 11.8°C | 8.3°C | 18.1°C | 5.1°C | 29 mm | 86% | 3.5 m/s | 3.2 |
| 1996 | 15.0°C | 12.0°C | 9.0°C | 21.2°C | 6.2°C | 35 mm | 85% | 3.7 m/s | 2.8 |
| 1995 | 15.4°C | 11.9°C | 8.3°C | 19.1°C | 2.1°C | 110 mm | 87% | 3.2 m/s | 2.7 |
| 1994 | 14.0°C | 10.9°C | 7.8°C | 18.2°C | 3.8°C | 73 mm | 87% | 3.8 m/s | 2.7 |
| 1993 | 13.8°C | 10.8°C | 7.8°C | 21.0°C | 4.3°C | 67 mm | 87% | 3.7 m/s | 2.5 |
| 1992 | 14.8°C | 11.4°C | 8.1°C | 20.1°C | 5.1°C | 110 mm | 88% | 4 m/s | 2.6 |
| 1991 | 16.3°C | 12.2°C | 8.2°C | 20.6°C | 3.7°C | 38 mm | 84% | 3.5 m/s | 3 |
| 1990 | 14.6°C | 11.3°C | 8.0°C | 19.4°C | 4.0°C | 59 mm | 83% | 3.8 m/s | 2.7 |
| 1989 | 15.7°C | 12.2°C | 8.7°C | 19.8°C | 5.7°C | 25 mm | 86% | 3.6 m/s | 2.5 |
| 1988 | 14.7°C | 11.5°C | 8.3°C | 21.6°C | 2.3°C | 62 mm | 87% | 4.3 m/s | 2.6 |
| 1987 | 14.5°C | 11.3°C | 8.1°C | 18.8°C | 2.6°C | 73 mm | 87% | 3.8 m/s | 3.1 |
| 1986 ❄️ | 13.9°C | 10.1°C | 6.3°C | 18.6°C | 2.4°C | 24 mm | 84% | 3.5 m/s | 3.4 |
| 1985 | 15.5°C | 12.1°C | 8.7°C | 20.1°C | 4.5°C | 90 mm | 89% | 3.7 m/s | 2.6 |
| 1984 | 14.7°C | 11.7°C | 8.6°C | 20.5°C | 5.6°C | 102 mm | 84% | 3.6 m/s | 2.5 |
| 1983 | 14.6°C | 11.4°C | 8.2°C | 18.7°C | 3.7°C | 89 mm | 86% | 4.6 m/s | — |
| 1982 | 16.0°C | 12.2°C | 8.5°C | 21.5°C | 3.8°C | 71 mm | 86% | 4 m/s | — |
| 1981 | 16.1°C | 12.6°C | 9.1°C | 20.0°C | 6.8°C | 100 mm | 86% | 3.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 15.7°C with lows near 8.8°C (mean 12.3°C), based on 45 years of NASA POWER data.
September averages 70 mm of rainfall in Ashington, about average for rainfall. The wettest on record was 121 mm in 2008.
The hottest September reached 24.6°C in 2023. The coldest dipped to 2.1°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 15.4°C to 16.6°C and overnight lows from 8.6°C to 9.7°C over the same span.
September is one of the warmer months of the year in Ashington and about average for rainfall, so plan for around 15.7°C daytime highs and 8.8°C at night.
Not quite — September is the 9th coolest month in Ashington, averaging 12.3°C.
For September in Ashington, pack light layers you can adjust through the day, with typical highs of 15.7°C and lows of 8.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 87% — quite humid.
Average wind speed in September is 3.6 m/s. The windiest September on record averaged 4.6 m/s (1983).
The wettest September on record was 2008 with 121 mm. On average, September sees 70 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 Ashington 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.
