Commerce City
Colorado, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Commerce City, CO

September, the first month of the autumn, in Commerce City, is also a moderately hot month, with average temperature fluctuating between 78.1°F (25.6°C) and 48°F (8.9°C).

Temperature

In Commerce City, the average high-temperature slightly decreases, from a moderately hot 84.9°F (29.4°C) in August, to a still warm 78.1°F (25.6°C). In September, the average low-temperature is 48°F (8.9°C).

Daylight

In Commerce City, the average length of the day in September is 12.4h.

What is the temperature in September in Commerce City?

In September, the average high-temperature is 78.1°F (25.6°C), and the average low-temperature is 48°F (8.9°C).

What is the average length of the day in September in Commerce City?

In Commerce City, Colorado, the average length of the day in September is 12.4h.
Average temperature in September - Commerce City, CO
  • Average high temperature in September: 78°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (45°F).

  • Average low temperature in September: 48°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is December (21°F).

Average daylight in September - Commerce City, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).