Cortez
Colorado, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cortez, CO

The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado, a view of dark clouds in the sky
The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado, a view of dark clouds in the sky
September, the first month of the autumn, in Cortez, is also a moderately hot month, with average temperature fluctuating between 45.3°F (7.4°C) and 78.4°F (25.8°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 86.2°F (30.1°C) in August, to a warm 78.4°F (25.8°C). In September, the average low-temperature is 45.3°F (7.4°C).

Rainfall

September is the month with the most rainfall, with 1.6" (39.4mm) of accumulated precipitation.

Snowfall

In Cortez, Colorado, snow does not fall in May through September.

Daylight

The average length of the day in September in Cortez is 12.4h.

What is the temperature in September in Cortez?

In Cortez, in September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 45.3°F (7.4°C).

How much does it rain in Cortez in September?

In Cortez, Colorado, in September, 1.6" (39.4mm) of precipitation is typically accumulated.

What is the rainiest month in Cortez?

September is the month with the most rainfall, with 1.6" (39.4mm) of accumulated precipitation.

Does it snow in Cortez in September?

In Cortez, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Cortez?

May through September are months without snowfall in Cortez, Colorado.

How many hours of daylight does Cortez have in September?

In September, the average length of the day in Cortez, Colorado, is 12.4h.
Average temperature in September - Cortez, CO
  • Average high temperature in September: 78.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42°F).

  • Average low temperature in September: 45.4°F

The month with the highest average low temperature is July (55.1°F).
The coldest month (with the lowest average low temperature) is January (14.3°F).

Average rainfall in September - Cortez, CO
  • Average rainfall in September: 1.6"

The wettest month (with the highest rainfall) is September (1.6").
The driest month (with the lowest rainfall) is June (0.4").

Average snowfall in September - Cortez, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.6").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in September - Cortez, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).