Río Gallegos Weather in September
Average highs run from on September 1 to 12°C on September 30, and lows from 0°C to 2°C. Normal precipitation for the month is 26 mm over about 6 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
- 12°C
- Average low
- 1°C
- Precipitation
- 26 mm
- Record high
- 25°CSep 27, 1986
- Record low
- -9°CSep 9, 2000
- Daylight
- 10 h 48 min to 12 h 41 min
- Cloud cover
- 68%
- Humidity
- 77%
- Dew point
- 0°C
- Wind
- 22.7 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 | 0°C | 16°C 1973 | -7°C 2013 | 19% | |
| Sep 2 | 10°C | 0°C | 16°C 2024 | -6°C 2013 | 20% |
| Sep 3 | 9°C | 0°C | 14°C 1998 | -5°C 1976 | 19% |
| Sep 4 | 10°C | 0°C | 16°C 1980 | -6°C 1997 | 20% |
| Sep 5 | 11°C | 0°C | 18°C 2004 | -5°C 1964 | 20% |
| Sep 6 | 10°C | -1°C | 17°C 1968 | -6°C 2017 | 20% |
| Sep 7 | 10°C | 0°C | 17°C 2012 | -7°C 2019 | 20% |
| Sep 8 | 10°C | 0°C | 19°C 2016 | -6°C 2019 | 21% |
| Sep 9 | 10°C | 0°C | 18°C 1979 | -9°C 2000 | 22% |
| Sep 10 | 10°C | 0°C | 17°C 2022 | -8°C 1989 | 22% |
| Sep 11 | 11°C | 0°C | 16°C 2022 | -6°C 2016 | 22% |
| Sep 12 | 11°C | 0°C | 20°C 1983 | -8°C 1985 | 23% |
| Sep 13 | 0°C | 16°C 1993 | -5°C 2003 | 23% | |
| Sep 14 | 1°C | 17°C 2005 | -5°C 1986 | 23% | |
| Sep 15 | 13°C | 1°C | 19°C 2018 | -6°C 1968 | 22% |
| Sep 16 | 11°C | 0°C | 20°C 1989 | -5°C 1993 | 22% |
| Sep 17 | 11°C | 1°C | 18°C 1988 | -6°C 1966 | 20% |
| Sep 18 | 12°C | 1°C | 18°C 2005 | -5°C 1998 | 20% |
| Sep 19 | 12°C | 0°C | 18°C 1975 | -5°C 1998 | 19% |
| Sep 20 | 12°C | 0°C | 19°C 1986 | -4°C 1994 | 19% |
| Sep 21 | 13°C | 2°C | 20°C 1973 | -5°C 1976 | 18% |
| Sep 22 | 13°C | 1°C | 24°C 2021 | -5°C 2011 | 20% |
| Sep 23 | 13°C | 1°C | 20°C 1978 | -5°C 2011 | 20% |
| Sep 24 | 1°C | 22°C 1996 | -4°C 2018 | 20% | |
| Sep 25 | 14°C | 2°C | 22°C 2021 | -5°C 2018 | 19% |
| Sep 26 | 14°C | 1°C | 24°C 1986 | -3°C 1996 | 18% |
| Sep 27 | 13°C | 2°C | 25°C 1986 | -6°C 1960 | 18% |
| Sep 28 | 13°C | 2°C | 22°C 1986 | -6°C 1960 | 18% |
| Sep 29 | 14°C | 2°C | 20°C 1956 | -5°C 2024 | 18% |
| Sep 30 | 12°C | 2°C | 20°C 1974 | -6°C 2024 | 19% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- September 1
- sunrise 8:13 AM, sunset 7:01 PM
- September 30
- sunrise 7:07 AM, sunset 7:48 PM
Other months
Sources
Records: NOAA GHCN-Daily, station AR000087925, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.