Aldan Weather in September
Average highs run from 13°C on September 1 to 2°C on September 30, and lows from 4°C to -5°C. Normal precipitation for the month is 108 mm over about 18 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
- 8°C
- Average low
- 0°C
- Precipitation
- 108 mm
- Reanalysis high
- 22°CSep 9, 2007
- Reanalysis low
- -12°CSep 30, 1993
- Daylight
- 14 h 04 min to 11 h 36 min
- Cloud cover
- 76%
- Humidity
- 88%
- Dew point
- 2°C
- Wind
- 8.3 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 | 13°C | 4°C | 19°C 1998 | 0°C 2012 | 59% |
| Sep 2 | 13°C | 4°C | 20°C 2010 | 0°C 2014 | 59% |
| Sep 3 | 12°C | 4°C | 20°C 2010 | -1°C 2018 | 59% |
| Sep 4 | 12°C | 3°C | 21°C 2010 | -3°C 2018 | 59% |
| Sep 5 | 12°C | 3°C | 17°C 2003 | -2°C 1999 | 59% |
| Sep 6 | 11°C | 3°C | 19°C 2007 | -4°C 2001 | 60% |
| Sep 7 | 11°C | 2°C | 18°C 2007 | -5°C 2001 | 60% |
| Sep 8 | 10°C | 2°C | 19°C 2007 | -4°C 2001 | 61% |
| Sep 9 | 10°C | 2°C | 22°C 2007 | -6°C 1997 | 61% |
| Sep 10 | 10°C | 2°C | 15°C 2000 | -7°C 1997 | 62% |
| Sep 11 | 9°C | 1°C | 16°C 2007 | -6°C 2006 | 63% |
| Sep 12 | 9°C | 1°C | 19°C 2020 | -7°C 2003 | 64% |
| Sep 13 | 9°C | 1°C | 21°C 2020 | -7°C 2003 | 64% |
| Sep 14 | 8°C | 1°C | 18°C 2004 | -7°C 2001 | 64% |
| Sep 15 | 8°C | 0°C | 18°C 2002 | -6°C 2001 | 64% |
| Sep 16 | 8°C | 0°C | 17°C 2007 | -6°C 1999 | 63% |
| Sep 17 | 7°C | 0°C | 17°C 1995 | -5°C 1999 | 63% |
| Sep 18 | 7°C | 0°C | 18°C 1995 | -9°C 2002 | 64% |
| Sep 19 | 7°C | -1°C | 19°C 1995 | -8°C 2019 | 63% |
| Sep 20 | 6°C | -1°C | 14°C 2014 | -9°C 2002 | 64% |
| Sep 21 | 6°C | -1°C | 15°C 2014 | -9°C 2002 | 63% |
| Sep 22 | 6°C | -2°C | 15°C 2020 | -6°C 1995 | 62% |
| Sep 23 | 5°C | -2°C | 15°C 2005 | -6°C 2008 | 62% |
| Sep 24 | 5°C | -2°C | 16°C 2004 | -5°C 2010 | 62% |
| Sep 25 | 4°C | -3°C | 14°C 2003 | -10°C 1996 | 62% |
| Sep 26 | 4°C | -3°C | 14°C 2005 | -9°C 1998 | 62% |
| Sep 27 | 4°C | -3°C | 15°C 2005 | -8°C 2014 | 62% |
| Sep 28 | 3°C | -4°C | 14°C 2005 | -9°C 2001 | 63% |
| Sep 29 | 3°C | -4°C | 11°C 1994 | -10°C 1993 | 64% |
| Sep 30 | 2°C | -5°C | 11°C 2009 | -12°C 1993 | 63% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 5:36 AM, sunset 7:40 PM
- September 30
- sunrise 6:40 AM, sunset 6:16 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.