United States · 1991–2020 normal
Castaic in
September.
Typical September weather in Castaic: 32.2°C by day, 16.5°C at night, 3 mm of rain over 0.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high32.2°C
Typical low16.5°C
Rain3 mm
Wet days0.4
Comfort score 70 this month (October leads the year at 90). Daylight is calculated as 12 h 21 from latitude 34.49°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5334799
- NOAA station
- USC00046161 · NEWHALL 5NW
- Station distance
- 11 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.