Australia · 1991–2020 normal
Derby in
September.
Typical September weather in Derby: 35.9°C by day, 19.1°C at night, 1 mm of rain over 0 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high35.9°C
Typical low19.1°C
Rain1 mm
Wet days0
Comfort score 53 this month (June leads the year at 76). Daylight is calculated as 12 h 01 from latitude -17.30°. Open-water sea temperature is 25.4°C (8 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 25.4°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2072924
- NOAA station
- ASN00003032 · DERBY AERO
- Station distance
- 8.3 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.