Puerto Santander Weather in September
Average highs run from 37°C on September 1 to 35°C on September 30, and lows from 25°C to 24°C. Normal precipitation for the month is 102 mm over about 18 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
- 36°C
- Average low
- 25°C
- Precipitation
- 102 mm
- Record high
- 39°CSep 30, 2015
- Record low
- 18°CSep 3, 1976
- Daylight
- 12 h 17 min to 12 h 03 min
- Cloud cover
- 74%
- Humidity
- 63%
- Dew point
- 21°C
- Wind
- 3.2 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 | 37°C | 25°C | 38°C 2019 | 19°C 1986 | 54% |
| Sep 2 | 37°C | 25°C | 37°C 2014 | 22°C 1974 | 54% |
| Sep 3 | 37°C | 25°C | 37°C 2011 | 18°C 1976 | 54% |
| Sep 4 | 37°C | 25°C | 37°C 2005 | 21°C 1975 | 53% |
| Sep 5 | 37°C | 25°C | 38°C 2002 | 21°C 1973 | 54% |
| Sep 6 | 37°C | 25°C | 37°C 2002 | 21°C 1999 | 56% |
| Sep 7 | 37°C | 25°C | 37°C 1967 | 20°C 1981 | 56% |
| Sep 8 | 37°C | 25°C | 37°C 1967 | 20°C 2010 | 57% |
| Sep 9 | 37°C | 25°C | 38°C 1966 | 21°C 1981 | 57% |
| Sep 10 | 37°C | 25°C | 37°C 2002 | 21°C 2010 | 57% |
| Sep 11 | 37°C | 25°C | 38°C 2006 | 20°C 1978 | 58% |
| Sep 12 | 37°C | 25°C | 38°C 1967 | 19°C 1968 | 57% |
| Sep 13 | 36°C | 25°C | 37°C 1965 | 20°C 1978 | 58% |
| Sep 14 | 36°C | 25°C | 38°C 1967 | 19°C 1978 | 58% |
| Sep 15 | 36°C | 25°C | 37°C 2002 | 20°C 1981 | 58% |
| Sep 16 | 36°C | 25°C | 37°C 1994 | 21°C 1966 | 58% |
| Sep 17 | 36°C | 25°C | 37°C 1997 | 20°C 1981 | 59% |
| Sep 18 | 36°C | 25°C | 37°C 2003 | 21°C 1973 | 59% |
| Sep 19 | 36°C | 25°C | 38°C 1976 | 21°C 1967 | 60% |
| Sep 20 | 36°C | 25°C | 36°C 2014 | 20°C 1986 | 60% |
| Sep 21 | 36°C | 24°C | 38°C 2012 | 21°C 2000 | 61% |
| Sep 22 | 36°C | 24°C | 38°C 2013 | 20°C 1986 | 62% |
| Sep 23 | 36°C | 24°C | 37°C 2002 | 22°C 1975 | 62% |
| Sep 24 | 36°C | 24°C | 38°C 2015 | 21°C 1969 | 62% |
| Sep 25 | 36°C | 24°C | 37°C 2014 | 20°C 1993 | 62% |
| Sep 26 | 36°C | 24°C | 37°C 2015 | 19°C 1986 | 61% |
| Sep 27 | 36°C | 24°C | 38°C 2016 | 21°C 2010 | 62% |
| Sep 28 | 35°C | 24°C | 37°C 2006 | 20°C 1965 | 61% |
| Sep 29 | 35°C | 24°C | 38°C 2013 | 21°C 1976 | 61% |
| Sep 30 | 35°C | 24°C | 39°C 2015 | 20°C 1964 | 61% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- September 1
- sunrise 5:41 AM, sunset 5:58 PM
- September 30
- sunrise 5:38 AM, sunset 5:41 PM
Other months
Sources
Records: NOAA GHCN-Daily, station COM00080097, 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.