Savannakhet Weather in September
Average highs run from 30°C on September 1 to 31°C on September 30, and lows from 24°C to 23°C. Normal precipitation for the month is 216 mm over about 23 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
- 31°C
- Average low
- 23°C
- Precipitation
- 216 mm
- Record high
- 38°CSep 9, 1982
- Record low
- 18°CSep 8, 1981
- Daylight
- 12 h 26 min to 12 h 00 min
- Cloud cover
- 81%
- Humidity
- 86%
- Dew point
- 24°C
- Wind
- 6.8 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 | 30°C | 24°C | 34°C 2007 | 23°C 2012 | 88% |
| Sep 2 | 30°C | 24°C | 34°C 2022 | 21°C 1983 | 87% |
| Sep 3 | 30°C | 24°C | 36°C 2006 | 23°C 1969 | 88% |
| Sep 4 | 30°C | 24°C | 35°C 2006 | 21°C 1983 | 88% |
| Sep 5 | 30°C | 24°C | 35°C 2006 | 23°C 2008 | 87% |
| Sep 6 | 30°C | 24°C | 34°C 2020 | 24°C 2008 | 87% |
| Sep 7 | 30°C | 24°C | 35°C 2015 | 22°C 2009 | 87% |
| Sep 8 | 30°C | 24°C | 35°C 2007 | 18°C 1981 | 86% |
| Sep 9 | 30°C | 24°C | 38°C 1982 | 22°C 1982 | 86% |
| Sep 10 | 31°C | 24°C | 34°C 2016 | 19°C 1983 | 86% |
| Sep 11 | 31°C | 24°C | 34°C 2018 | 22°C 2006 | 85% |
| Sep 12 | 31°C | 23°C | 35°C 2017 | 18°C 1983 | 84% |
| Sep 13 | 31°C | 23°C | 35°C 1970 | 19°C 1981 | 84% |
| Sep 14 | 31°C | 23°C | 34°C 2007 | 20°C 1983 | 83% |
| Sep 15 | 31°C | 23°C | 34°C 2018 | 22°C 1969 | 82% |
| Sep 16 | 31°C | 23°C | 34°C 2006 | 20°C 1973 | 81% |
| Sep 17 | 31°C | 23°C | 34°C 2005 | 22°C 2009 | 80% |
| Sep 18 | 31°C | 23°C | 36°C 1970 | 21°C 1983 | 78% |
| Sep 19 | 31°C | 23°C | 35°C 1970 | 21°C 1983 | 76% |
| Sep 20 | 31°C | 23°C | 35°C 2009 | 21°C 1983 | 74% |
| Sep 21 | 31°C | 23°C | 35°C 2023 | 20°C 2010 | 73% |
| Sep 22 | 31°C | 23°C | 34°C 2012 | 20°C 2010 | 71% |
| Sep 23 | 31°C | 23°C | 34°C 2010 | 20°C 1973 | 69% |
| Sep 24 | 31°C | 23°C | 34°C 2010 | 22°C 2004 | 68% |
| Sep 25 | 31°C | 23°C | 35°C 1969 | 22°C 1982 | 67% |
| Sep 26 | 31°C | 23°C | 35°C 2010 | 20°C 1983 | 65% |
| Sep 27 | 31°C | 23°C | 34°C 2018 | 21°C 1983 | 64% |
| Sep 28 | 31°C | 23°C | 35°C 2016 | 19°C 2004 | 64% |
| Sep 29 | 31°C | 23°C | 34°C 2024 | 23°C 2004 | 63% |
| Sep 30 | 31°C | 23°C | 35°C 2021 | 19°C 1970 | 62% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- September 1
- sunrise 5:48 AM, sunset 6:14 PM
- September 30
- sunrise 5:51 AM, sunset 5:51 PM
Other months
Sources
Records: NOAA GHCN-Daily, station LAW00041074, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.