September is one of the warmer months of the year in Monkseaton, with average highs near 15.3°C and lows around 11°C (mean 13.2°C). It is about average for rainfall, averaging 64 mm of rainfall and 86% relative humidity across the period.
September is one of the warmer months of the year in Monkseaton. Across 45 years of records, the warmest September in Monkseaton was 2006 — when the month averaged 15.2°C — while the coldest was 1986 at 11°C. Typical September days reach 15.3°C with nights near 11°C. The long-term trend is warming, about 0.3°C per decade.
September is about average for rainfall in Monkseaton, averaging 64 mm of rainfall. The wettest September on record was 1995 with 127 mm, while the driest was 1989 at 17 mm.
Relative humidity in Monkseaton during September averages 86%. The most humid September was 1998 at 90%, and the least humid was 1990 at 82%.
September receives about 2.8 kWh/m²/day of solar energy in Monkseaton. The sunniest September was 1986 at 3.4 kWh/m²/day, and the cloudiest was 2000 at 2.1.
Average wind speed in Monkseaton during September is 4.5 m/s. The windiest Septembers were 1983 and 2001 at 5.6 m/s, while the calmest was 2014 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.5°C | 12.8°C | 13.6°C | 13.1°C | 13.8°C | +1.3°C |
| Avg High | 14.7°C | 14.8°C | 15.7°C | 15.3°C | 16.0°C | +1.3°C |
| Avg Low | 10.3°C | 10.7°C | 11.5°C | 10.9°C | 11.7°C | +1.4°C |
| Avg Rain | 63 mm | 65 mm | 61 mm | 63 mm | 73 mm | +10 mm |
September temperatures in Monkseaton have risen by about 1.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 5.4°C (1988) to a record high of 23.4°C (2023).
Rainfall in September is about average for rainfall, averaging 64 mm, with a wettest year of 127 mm.
One of the best times to visit Monkseaton
September is one of the best times to visit Monkseaton. Expect days averaging 15.3°C and nights around 11°C (mean 13.2°C) — warmer than Monkseaton's yearly average — with moderate rainfall (64 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 | 15.7°C | 13.5°C | 11.3°C | 18.1°C | 7.5°C | 108 mm | 85% | 4.5 m/s | 3.3 |
| 2024 | 14.7°C | 12.8°C | 10.8°C | 18.9°C | 6.6°C | 88 mm | 87% | 4.4 m/s | 2.8 |
| 2023 | 17.3°C | 15.0°C | 12.8°C | 23.4°C | 10.0°C | 73 mm | 87% | 4.1 m/s | 2.9 |
| 2022 | 15.8°C | 13.9°C | 12.0°C | 19.8°C | 7.6°C | 73 mm | 86% | 4.4 m/s | 2.8 |
| 2021 | 17.1°C | 14.9°C | 12.7°C | 21.2°C | 9.2°C | 38 mm | 87% | 3.8 m/s | 2.8 |
| 2020 | 15.3°C | 12.9°C | 10.5°C | 20.8°C | 7.1°C | 59 mm | 84% | 4.8 m/s | 3 |
| 2019 | 15.3°C | 13.1°C | 10.9°C | 17.9°C | 8.1°C | 102 mm | 86% | 4.4 m/s | 3.1 |
| 2018 | 15.1°C | 12.7°C | 10.3°C | 19.8°C | 7.0°C | 58 mm | 84% | 5.2 m/s | 3 |
| 2017 | 15.1°C | 13.0°C | 10.9°C | 17.8°C | 8.3°C | 93 mm | 88% | 4.7 m/s | 2.8 |
| 2016 | 16.8°C | 14.6°C | 12.3°C | 20.6°C | 9.3°C | 42 mm | 87% | 4.4 m/s | 3 |
| 2015 | 14.5°C | 12.3°C | 10.1°C | 16.0°C | 8.3°C | 40 mm | 87% | 4.1 m/s | 2.9 |
| 2014 | 16.0°C | 13.7°C | 11.4°C | 17.6°C | 9.6°C | 25 mm | 88% | 2.9 m/s | 2.8 |
| 2013 | 14.9°C | 12.7°C | 10.6°C | 19.3°C | 8.0°C | 48 mm | 86% | 4.6 m/s | 2.9 |
| 2012 | 14.4°C | 12.2°C | 10.0°C | 18.7°C | 6.7°C | 95 mm | 86% | 5.2 m/s | 3 |
| 2011 | 15.9°C | 13.5°C | 11.2°C | 20.1°C | 9.0°C | 47 mm | 85% | 5.2 m/s | 3.1 |
| 2010 | 15.3°C | 13.2°C | 11.2°C | 18.5°C | 8.0°C | 79 mm | 86% | 5 m/s | 2.9 |
| 2009 | 15.3°C | 13.3°C | 11.3°C | 19.8°C | 9.1°C | 47 mm | 86% | 4.6 m/s | 2.9 |
| 2008 | 15.1°C | 13.2°C | 11.4°C | 17.3°C | 9.1°C | 104 mm | 88% | 4.1 m/s | 2.6 |
| 2007 | 15.2°C | 13.0°C | 10.9°C | 18.3°C | 6.9°C | 42 mm | 85% | 5 m/s | 2.9 |
| 2006 🔥 | 17.5°C | 15.2°C | 13.0°C | 19.8°C | 10.4°C | 59 mm | 88% | 4.1 m/s | 2.9 |
| 2005 | 16.2°C | 14.0°C | 11.7°C | 20.2°C | 7.9°C | 62 mm | 86% | 4.8 m/s | 2.9 |
| 2004 | 15.6°C | 13.4°C | 11.3°C | 19.7°C | 8.7°C | 32 mm | 85% | 5.4 m/s | 3.1 |
| 2003 | 16.2°C | 13.8°C | 11.3°C | 20.0°C | 7.1°C | 59 mm | 84% | 3.6 m/s | 3.2 |
| 2002 | 15.7°C | 13.7°C | 11.7°C | 17.9°C | 10.0°C | 23 mm | 86% | 3.2 m/s | 2.8 |
| 2001 | 14.6°C | 12.8°C | 10.9°C | 18.3°C | 9.1°C | 83 mm | 87% | 5.6 m/s | 2.5 |
| 2000 | 15.4°C | 13.3°C | 11.2°C | 18.3°C | 8.7°C | 96 mm | 88% | 4.3 m/s | 2.1 |
| 1999 | 16.8°C | 14.4°C | 12.1°C | 20.7°C | 9.8°C | 72 mm | 88% | 3.9 m/s | 3.2 |
| 1998 | 15.1°C | 13.4°C | 11.6°C | 18.9°C | 8.3°C | 72 mm | 90% | 4.4 m/s | 2.4 |
| 1997 | 15.0°C | 12.7°C | 10.5°C | 17.5°C | 8.1°C | 23 mm | 85% | 4.3 m/s | 3.2 |
| 1996 | 14.6°C | 13.0°C | 11.3°C | 18.3°C | 9.4°C | 32 mm | 83% | 4.7 m/s | 2.8 |
| 1995 🌧️ | 15.0°C | 13.0°C | 10.9°C | 17.4°C | 5.6°C | 127 mm | 86% | 4.3 m/s | 2.7 |
| 1994 | 13.8°C | 11.9°C | 10.0°C | 16.3°C | 6.9°C | 71 mm | 86% | 4.9 m/s | 2.7 |
| 1993 | 13.5°C | 11.8°C | 10.1°C | 17.9°C | 7.9°C | 60 mm | 86% | 4.9 m/s | 2.5 |
| 1992 | 14.2°C | 12.0°C | 9.8°C | 16.8°C | 8.0°C | 98 mm | 88% | 4.8 m/s | 2.6 |
| 1991 | 15.6°C | 13.1°C | 10.7°C | 18.7°C | 7.0°C | 33 mm | 83% | 4.4 m/s | 3 |
| 1990 | 14.4°C | 12.2°C | 10.1°C | 18.6°C | 6.6°C | 58 mm | 82% | 4.7 m/s | 2.7 |
| 1989 | 15.3°C | 13.1°C | 11.0°C | 18.4°C | 8.9°C | 17 mm | 84% | 4.4 m/s | 2.5 |
| 1988 | 14.5°C | 12.3°C | 10.1°C | 19.0°C | 5.4°C | 54 mm | 85% | 5.3 m/s | 2.6 |
| 1987 | 14.3°C | 12.2°C | 10.2°C | 17.7°C | 6.6°C | 65 mm | 85% | 4.7 m/s | 3.1 |
| 1986 ❄️ | 13.4°C | 11.0°C | 8.7°C | 17.2°C | 6.4°C | 25 mm | 83% | 4.3 m/s | 3.4 |
| 1985 | 14.9°C | 12.7°C | 10.5°C | 18.6°C | 7.2°C | 71 mm | 87% | 4.3 m/s | 2.6 |
| 1984 | 14.5°C | 12.6°C | 10.7°C | 19.7°C | 8.4°C | 100 mm | 83% | 4.7 m/s | 2.5 |
| 1983 | 14.3°C | 12.2°C | 10.2°C | 17.9°C | 7.2°C | 87 mm | 85% | 5.6 m/s | — |
| 1982 | 15.5°C | 12.9°C | 10.3°C | 19.8°C | 6.6°C | 59 mm | 85% | 4.8 m/s | — |
| 1981 | 15.9°C | 13.6°C | 11.2°C | 18.7°C | 9.5°C | 86 mm | 85% | 4.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 15.3°C with lows near 11°C (mean 13.2°C), based on 45 years of NASA POWER data.
September averages 64 mm of rainfall in Monkseaton, about average for rainfall. The wettest on record was 127 mm in 1995.
The hottest September reached 23.4°C in 2023. The coldest dipped to 5.4°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.2°C. Daytime highs moved from 15°C to 16.1°C and overnight lows from 10.6°C to 11.9°C over the same span.
September is one of the warmer months of the year in Monkseaton and about average for rainfall, so plan for around 15.3°C daytime highs and 11°C at night.
Not quite — September is the 10th coolest month in Monkseaton, averaging 13.2°C.
For September in Monkseaton, pack light layers you can adjust through the day, with typical highs of 15.3°C and lows of 11°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 86% — quite humid.
Average wind speed in September is 4.5 m/s. The windiest September on record averaged 5.6 m/s (1983).
The wettest September on record was 1995 with 127 mm. On average, September sees 64 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 Monkseaton 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.
