Balloch Weather in September
Average highs run from 15°C on September 1 to 13°C on September 30, and lows from 9°C to 7°C. Normal precipitation for the month is 72 mm over about 15 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 14°C
- Average low
- 8°C
- Precipitation
- 72 mm
- Record high
- 29°CSep 7, 2023
- Record low
- -8°CSep 23, 2003
- Daylight
- 13 h 57 min to 11 h 36 min
- Cloud cover
- 76%
- Humidity
- 87%
- Dew point
- 9°C
- Wind
- 18.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 15°C | 9°C | 24°C 1991 | -2°C 2009 | 54% |
| Sep 2 | 15°C | 9°C | 23°C 1999 | 0°C 2009 | 53% |
| Sep 3 | 15°C | 9°C | 24°C 2022 | -1°C 1990 | 52% |
| Sep 4 | 15°C | 9°C | 24°C 2023 | 0°C 2009 | 51% |
| Sep 5 | 15°C | 9°C | 25°C 1999 | 1°C 1978 | 50% |
| Sep 6 | 15°C | 9°C | 23°C 2023 | 5°C 1992 | 51% |
| Sep 7 | 15°C | 9°C | 29°C 2023 | -1°C 1982 | 52% |
| Sep 8 | 15°C | 8°C | 22°C 1973 | 0°C 2009 | 52% |
| Sep 9 | 15°C | 8°C | 25°C 2023 | 0°C 2009 | 52% |
| Sep 10 | 15°C | 8°C | 22°C 2010 | -4°C 2003 | 53% |
| Sep 11 | 15°C | 8°C | 24°C 2006 | -2°C 2009 | 52% |
| Sep 12 | 14°C | 8°C | 21°C 2002 | 0°C 1991 | 53% |
| Sep 13 | 14°C | 8°C | 22°C 2003 | -2°C 2004 | 53% |
| Sep 14 | 14°C | 8°C | 21°C 2003 | 0°C 2009 | 52% |
| Sep 15 | 14°C | 8°C | 20°C 2003 | -4°C 2009 | 52% |
| Sep 16 | 14°C | 8°C | 22°C 1996 | 2°C 1986 | 52% |
| Sep 17 | 14°C | 8°C | 25°C 2003 | 0°C 2009 | 52% |
| Sep 18 | 14°C | 8°C | 22°C 1989 | 0°C 2003 | 53% |
| Sep 19 | 14°C | 8°C | 21°C 1998 | -2°C 2003 | 52% |
| Sep 20 | 14°C | 7°C | 23°C 1998 | 0°C 2003 | 52% |
| Sep 21 | 14°C | 7°C | 25°C 1998 | -2°C 2003 | 51% |
| Sep 22 | 14°C | 7°C | 21°C 1975 | -2°C 2003 | 51% |
| Sep 23 | 14°C | 7°C | 26°C 1979 | -8°C 2003 | 51% |
| Sep 24 | 13°C | 7°C | 21°C 2016 | 0°C 2004 | 51% |
| Sep 25 | 13°C | 7°C | 25°C 1979 | 0°C 2003 | 52% |
| Sep 26 | 13°C | 7°C | 23°C 2021 | -6°C 2003 | 54% |
| Sep 27 | 13°C | 7°C | 20°C 2011 | -2°C 2003 | 55% |
| Sep 28 | 13°C | 7°C | 19°C 2013 | -7°C 2003 | 54% |
| Sep 29 | 13°C | 7°C | 23°C 1985 | -1°C 2003 | 55% |
| Sep 30 | 13°C | 7°C | 21°C 2015 | -2°C 2004 | 56% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- September 1
- sunrise 6:17 AM, sunset 8:14 PM
- September 30
- sunrise 7:18 AM, sunset 6:54 PM
Other months
Sources
Records: NOAA GHCN-Daily, station UKM00003066, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.