Semey Weather in September
Average highs run from 24°C on September 1 to 17°C on September 30, and lows from 8°C to 1°C. Normal precipitation for the month is 21 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
- 21°C
- Average low
- 5°C
- Precipitation
- 21 mm
- Record high
- 38°CSep 4, 1998
- Record low
- -8°CSep 30, 1913
- Daylight
- 13 h 31 min to 11 h 43 min
- Cloud cover
- 55%
- Humidity
- 52%
- Dew point
- 2°C
- Wind
- 13.0 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 24°C | 8°C | 38°C 1966 | -3°C 1976 | 22% |
| Sep 2 | 25°C | 8°C | 35°C 1906 | 1°C 1913 | 21% |
| Sep 3 | 24°C | 7°C | 38°C 2007 | 1°C 1976 | 20% |
| Sep 4 | 24°C | 7°C | 38°C 1998 | -1°C 1966 | 20% |
| Sep 5 | 23°C | 9°C | 36°C 1942 | -2°C 1951 | 19% |
| Sep 6 | 23°C | 8°C | 36°C 2022 | -3°C 1968 | 20% |
| Sep 7 | 22°C | 7°C | 37°C 2022 | -2°C 1983 | 20% |
| Sep 8 | 23°C | 6°C | 35°C 1947 | -2°C 1964 | 19% |
| Sep 9 | 23°C | 6°C | 37°C 2003 | -2°C 1983 | 17% |
| Sep 10 | 23°C | 7°C | 35°C 1953 | -1°C 2022 | 18% |
| Sep 11 | 23°C | 7°C | 34°C 2000 | -2°C 1963 | 18% |
| Sep 12 | 22°C | 6°C | 35°C 2007 | -3°C 2014 | 17% |
| Sep 13 | 20°C | 6°C | 34°C 1945 | -5°C 2010 | 17% |
| Sep 14 | 20°C | 5°C | 33°C 1935 | -2°C 1989 | 17% |
| Sep 15 | 19°C | 4°C | 34°C 1981 | -3°C 1968 | 17% |
| Sep 16 | 20°C | 3°C | 34°C 1953 | -4°C 2010 | 17% |
| Sep 17 | 21°C | 4°C | 32°C 1931 | -5°C 1998 | 18% |
| Sep 18 | 22°C | 4°C | 34°C 1944 | -4°C 1968 | 18% |
| Sep 19 | 21°C | 3°C | 31°C 1977 | -3°C 1972 | 17% |
| Sep 20 | 21°C | 4°C | 32°C 1977 | -3°C 1968 | 18% |
| Sep 21 | 20°C | 5°C | 31°C 2002 | -4°C 1983 | 18% |
| Sep 22 | 19°C | 4°C | 33°C 2019 | -6°C 1976 | 18% |
| Sep 23 | 17°C | 2°C | 31°C 1980 | -5°C 1940 | 17% |
| Sep 24 | 17°C | 2°C | 31°C 1997 | -4°C 1940 | 17% |
| Sep 25 | 18°C | 4°C | 31°C 1978 | -6°C 1933 | 18% |
| Sep 26 | 18°C | 2°C | 32°C 1966 | -6°C 1958 | 17% |
| Sep 27 | 18°C | 3°C | 30°C 1939 | -5°C 2021 | 19% |
| Sep 28 | 17°C | 3°C | 31°C 1939 | -6°C 1969 | 20% |
| Sep 29 | 15°C | 1°C | 28°C 1931 | -7°C 2004 | 20% |
| Sep 30 | 17°C | 1°C | 29°C 1990 | -8°C 1913 | 20% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+5).
- September 1
- sunrise 4:53 AM, sunset 6:24 PM
- September 30
- sunrise 5:37 AM, sunset 5:20 PM
Other months
Sources
Records: NOAA GHCN-Daily, station KZ000036177, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.