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

September weather forecast and climate
Sterling, CO

The first month of the autumn, September, is still a warm month in Sterling, Colorado, with average temperature fluctuating between 48°F (8.9°C) and 80.1°F (26.7°C).

Temperature

In Sterling, the average high-temperature decreases, from a tropical 89.1°F (31.7°C) in August, to a moderately hot 80.1°F (26.7°C). In Sterling, the average low-temperature is 48°F (8.9°C).

Rainfall

In Sterling, Colorado, 1.2" (30mm) of precipitation is typically accumulated. Throughout the year, 15.7" (399.1mm) of rain is accumulated.

Snowfall

January through April, September through December are months with snowfall in Sterling. September is the first month it typically snows. Throughout September, Sterling receives 0.4" (10.2mm) of snow. In Sterling, during the entire year, snow aggregates up to 24.8" (629.9mm).

Daylight

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

What is the temperature in September in Sterling?

In September, in Sterling, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 48°F (8.9°C).

How much does it rain in Sterling in September?

In Sterling, Colorado, in September, 1.2" (30mm) of precipitation is typically accumulated.

When does it start snowing in Sterling?

September is the first month it typically snows. Throughout September, Sterling receives 0.4" (10.2mm) of snow.

How many hours of daylight does Sterling have in September?

The average length of the day in September in Sterling, Colorado, is 12.4h.
Average temperature in September - Sterling, CO
  • Average high temperature in September: 80°F

The warmest month (with the highest average high temperature) is July (91°F).
Months with the lowest average high temperature are January and December (42°F).

  • Average low temperature in September: 48°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average rainfall in September - Sterling, CO
  • Average rainfall in September: 1.2"

The wettest month (with the highest rainfall) is June (2.8").
Driest months (with the lowest rainfall) are January and December (0.3").

Average snowfall in September - Sterling, CO
  • Average snowfall in September: 0.4"

The month with the highest snowfall is December (5.8").
Months with the lowest snowfall are May, June, July and August (0").

Average daylight in September - Sterling, 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: 9.3h).