September weather forecast
Cañon City, CO

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Weather in September

September marks the onset of fall, bringing a significant dip in night temperatures, while maintaining pleasing days. The change from high summer heat to milder climes brings forth pleasant weather conditions. As rainfall days see a reduction, expect the atmosphere to get crisper. The occurrence of more sunshine days provides a warm, golden hue, typical of the fall landscape. In September, Cañon City wears a charm of temperate conditions, rain-free skies, and crisp evening winds.

Temperature

September's arrival in Cañon City signals a moderate reduction in the average high-temperature, easing from a warm 79.7°F (26.5°C) in August to an agreeable 73.2°F (22.9°C). Throughout September nights, Cañon City reports a steady thermal contrast from the day, with an average low-temperature of 48.2°F (9°C).

Humidity

In September, the average relative humidity in Cañon City is 47%.

Rainfall

In Cañon City, during September, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Cañon City, during the entire year, the rain falls for 108.6 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Cañon City, Colorado, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

Sunshine

In Cañon City, Colorado, the average sunshine in September is 11.1h.

UV index

The average daily maximum UV index in September in Cañon City is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the average September temperature in Cañon City?

The average high-temperature and low-temperature during September are 73.2°F (22.9°C) and 48.2°F (9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 82.4°F (28°C).

What is the average humidity in September in Cañon City?

In September, the average relative humidity in Cañon City, Colorado, is 47%.

How many days does it rain in September in Cañon City?

In Cañon City, during September, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Cañon City?

In Cañon City, snow does not fall in June through September.

Does it snow in Cañon City in September?

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

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

The average day length in September in Cañon City, Colorado, is 12h and 25min.

What time are sunrise and sunset in September in Cañon City?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm MDT.

How many hours of sunshine does Cañon City have in September?

The average sunshine duration in September in Cañon City is 11.1h.

What is the UV index reading in September in Cañon City?

In Cañon City, Colorado, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cañon City, CO

Average temperature in September - Cañon City, CO
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in September
Cañon City, CO

Average pressure in September - Cañon City, CO
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in September
Cañon City, CO

Average wind speed in September - Cañon City, CO
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Cañon City, CO

Average humidity in September - Cañon City, CO
  • Average humidity in September: 47%

The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).

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Average rainfall in September
Cañon City, CO

Average rainfall in September - Cañon City, CO
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").

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Average rainfall days in September
Cañon City, CO

Average rainfall days in September - Cañon City, CO
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in September
Cañon City, CO

Average snowfall in September - Cañon City, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Cañon City, CO

Average snowfall days in September - Cañon City, CO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Cañon City, CO

Average daylight in September / Average sunshine in September - Cañon City, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).

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Average sunshine days in September
Cañon City, CO

Average sunshine days in September - Cañon City, CO
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).

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Average UV index in September
Cañon City, CO

Average UV index in September - Cañon City, CO
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Cañon City, CO

Average cloud cover in September - Cañon City, CO
  • Average cloud cover in September: 14

The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).

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Average visibility in September
Cañon City, CO

Average visibility in September - Cañon City, CO
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Cañon City, Colorado, USA

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