Dongchuan Weather in September
Average highs run from 14°C on September 1 to 9°C on September 30, and lows from 1°C to -3°C. Normal precipitation for the month is 69 mm over about 15 wet days.
September day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
September at a glance
- Average high
- 12°C
- Average low
- -1°C
- Precipitation
- 69 mm
- Reanalysis high
- 23°CSep 4, 1995
- Reanalysis low
- -9°CSep 19, 1998
- Daylight
- 12 h 59 min to 11 h 51 min
- Cloud cover
- 70%
- Humidity
- 72%
- Dew point
- -1°C
- Wind
- 9.0 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 14°C | 1°C | 23°C 1994 | -3°C 2012 | 51% |
| Sep 2 | 14°C | 1°C | 22°C 1995 | -5°C 2012 | 51% |
| Sep 3 | 14°C | 1°C | 21°C 1992 | -4°C 2012 | 52% |
| Sep 4 | 14°C | 1°C | 23°C 1995 | -3°C 2003 | 51% |
| Sep 5 | 14°C | 0°C | 22°C 1995 | -3°C 2008 | 52% |
| Sep 6 | 13°C | 0°C | 19°C 1994 | -4°C 1993 | 52% |
| Sep 7 | 13°C | 0°C | 21°C 1999 | -4°C 1993 | 50% |
| Sep 8 | 13°C | 0°C | 19°C 1997 | -5°C 2006 | 51% |
| Sep 9 | 13°C | 0°C | 19°C 1998 | -5°C 2006 | 52% |
| Sep 10 | 13°C | 0°C | 22°C 1992 | -4°C 2006 | 51% |
| Sep 11 | 13°C | -1°C | 19°C 2019 | -5°C 2006 | 51% |
| Sep 12 | 12°C | -1°C | 18°C 2010 | -6°C 2012 | 52% |
| Sep 13 | 12°C | -1°C | 21°C 2010 | -6°C 2012 | 50% |
| Sep 14 | 12°C | -1°C | 20°C 2010 | -5°C 2012 | 48% |
| Sep 15 | 12°C | -1°C | 17°C 1998 | -4°C 2020 | 46% |
| Sep 16 | 12°C | -1°C | 20°C 2010 | -6°C 2007 | 46% |
| Sep 17 | 12°C | -2°C | 16°C 2010 | -8°C 2007 | 46% |
| Sep 18 | 11°C | -2°C | 19°C 2010 | -8°C 1998 | 46% |
| Sep 19 | 11°C | -2°C | 21°C 2010 | -9°C 1998 | 46% |
| Sep 20 | 11°C | -2°C | 17°C 2008 | -7°C 1998 | 45% |
| Sep 21 | 11°C | -2°C | 17°C 2001 | -6°C 1997 | 44% |
| Sep 22 | 11°C | -2°C | 15°C 1996 | -6°C 2002 | 43% |
| Sep 23 | 11°C | -2°C | 16°C 2007 | -4°C 1997 | 42% |
| Sep 24 | 11°C | -2°C | 17°C 2007 | -7°C 1997 | 41% |
| Sep 25 | 10°C | -3°C | 13°C 2003 | -7°C 1997 | 40% |
| Sep 26 | 10°C | -3°C | 14°C 1996 | -5°C 2002 | 39% |
| Sep 27 | 10°C | -3°C | 14°C 1999 | -5°C 2004 | 37% |
| Sep 28 | 10°C | -3°C | 16°C 1998 | -6°C 1997 | 36% |
| Sep 29 | 10°C | -3°C | 16°C 1998 | -6°C 2001 | 34% |
| Sep 30 | 9°C | -3°C | 14°C 1999 | -9°C 2004 | 34% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- September 1
- sunrise 6:43 AM, sunset 7:42 PM
- September 30
- sunrise 7:07 AM, sunset 6:58 PM
Other months
Sources
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.