United States · 1991–2020 normal
Derby in
September.
Typical September weather in Derby: 26.1°C by day, 9.3°C at night, 33 mm of rain over 4.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.1°C
Typical low9.3°C
Rain33 mm
Wet days4.6
Comfort score 81 this month, the highest of the year. Daylight is calculated as 12 h 24 from latitude 39.84°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5419431
- NOAA station
- USW00023062 · DENVER-STAPLETON
- Station distance
- 9.5 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.