Niederalm Weather in September
Average highs run from 21°C on September 1 to 19°C on September 30, and lows from 12°C to 9°C. Normal precipitation for the month is 122 mm over about 15 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
- 20°C
- Average low
- 10°C
- Precipitation
- 122 mm
- Record high
- 33°CSep 1, 2015
- Record low
- -3°CSep 29, 1939
- Daylight
- 13 h 23 min to 11 h 44 min
- Cloud cover
- 67%
- Humidity
- 83%
- Dew point
- 7°C
- Wind
- 5.0 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 | 21°C | 12°C | 33°C 2015 | 5°C 1972 | 60% |
| Sep 2 | 20°C | 12°C | 30°C 1887 | 2°C 1964 | 60% |
| Sep 3 | 22°C | 12°C | 31°C 1929 | 3°C 1959 | 60% |
| Sep 4 | 22°C | 12°C | 31°C 1929 | 3°C 1959 | 58% |
| Sep 5 | 21°C | 11°C | 31°C 1946 | 3°C 1959 | 59% |
| Sep 6 | 21°C | 11°C | 30°C 2008 | 4°C 1959 | 58% |
| Sep 7 | 21°C | 11°C | 30°C 2006 | 3°C 1976 | 58% |
| Sep 8 | 21°C | 12°C | 30°C 1895 | 3°C 1959 | 58% |
| Sep 9 | 22°C | 11°C | 30°C 1924 | 4°C 1931 | 56% |
| Sep 10 | 22°C | 11°C | 32°C 1983 | 3°C 1941 | 57% |
| Sep 11 | 22°C | 11°C | 30°C 2011 | 3°C 1960 | 57% |
| Sep 12 | 21°C | 12°C | 30°C 1962 | 3°C 1912 | 56% |
| Sep 13 | 20°C | 11°C | 31°C 1947 | 3°C 1944 | 54% |
| Sep 14 | 20°C | 11°C | 31°C 1947 | 2°C 1952 | 53% |
| Sep 15 | 20°C | 10°C | 32°C 1947 | 1°C 1953 | 52% |
| Sep 16 | 20°C | 10°C | 33°C 1947 | 1°C 1952 | 50% |
| Sep 17 | 20°C | 10°C | 32°C 1975 | 1°C 1941 | 50% |
| Sep 18 | 19°C | 10°C | 30°C 1947 | 1°C 1941 | 50% |
| Sep 19 | 19°C | 9°C | 30°C 1947 | 1°C 1959 | 50% |
| Sep 20 | 19°C | 9°C | 33°C 1947 | 1°C 1904 | 49% |
| Sep 21 | 20°C | 10°C | 29°C 1981 | 2°C 2019 | 48% |
| Sep 22 | 20°C | 9°C | 31°C 1993 | 2°C 2022 | 46% |
| Sep 23 | 19°C | 9°C | 30°C 1987 | 1°C 1964 | 45% |
| Sep 24 | 20°C | 9°C | 29°C 1920 | 1°C 1964 | 44% |
| Sep 25 | 19°C | 9°C | 27°C 1956 | 0°C 1881 | 44% |
| Sep 26 | 18°C | 9°C | 29°C 1982 | -2°C 1972 | 44% |
| Sep 27 | 19°C | 9°C | 29°C 1933 | -1°C 1972 | 44% |
| Sep 28 | 18°C | 9°C | 28°C 1933 | 0°C 1939 | 45% |
| Sep 29 | 18°C | 8°C | 26°C 1961 | -3°C 1939 | 46% |
| Sep 30 | 19°C | 9°C | 28°C 1961 | -2°C 1959 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- September 1
- sunrise 6:26 AM, sunset 7:49 PM
- September 30
- sunrise 7:05 AM, sunset 6:49 PM
Other months
Sources
Records: NOAA GHCN-Daily, station AU000006306, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.