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

September weather forecast and climate
Otis, CO

The first month of the autumn, September, is also a moderately hot month in Otis, Colorado, with average temperature fluctuating between 46.4°F (8°C) and 78.8°F (26°C).


In Otis, the average high-temperature slightly decreases, from a hot 86°F (30°C) in August, to a moderately hot 78.8°F (26°C). The average low-temperature, in Otis, Colorado, is 46.4°F (8°C).


Throughout September, in Otis, 1.2" (30mm) of precipitation is accumulated. Throughout the year, in Otis, 16.6" (422mm) of rain is accumulated.


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

What is the temperature in September in Otis?

The average high-temperature, in September, in Otis, is 78.8°F (26°C), while the average low-temperature is 46.4°F (8°C).

How much does it rain in Otis in September?

During September, Otis regularly aggregates up to 1.2" (30mm) of precipitation.

How many hours of daylight does Otis have in September?

In Otis, Colorado, the average length of the day in September is 12.4h.
Average temperature in September - Otis, CO
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (89.6°F).
Months with the lowest average high temperature are January and December (39.2°F).

  • Average low temperature in September: 46.4°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the lowest rainfall) is January (0.3").

Average daylight in September - Otis, 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).