September weather forecast and climate
Como, CO

Weather in September

September, the first month of the autumn, in Como, is also a moderate month, with average temperature varying between 33.4°F (0.8°C) and 57.6°F (14.2°C).

Temperature

In September, the average high-temperature marginally drops, from an enjoyable 63.7°F (17.6°C) in August, to a mild 57.6°F (14.2°C). In Como, the average low-temperature is 33.4°F (0.8°C).

Humidity

In September, the average relative humidity in Como, Colorado, is 59%.

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 1.46" (37mm) of precipitation is accumulated. In Como, during the entire year, the rain falls for 110.4 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

Months with snowfall in Como are January through December. In Como, during 5.5 snowfall days, 2.05" (52mm) of snow is typically accumulated. In Como, during the entire year, snow falls for 158 days, and aggregates up to 118.82" (3018mm) of snow.

Daylight

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

Sunshine

In Como, the average sunshine in September is 10.5h.

UV index

In Como, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in September transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Como?

In September, in Como, Colorado, the average high-temperature is 57.6°F (14.2°C), and the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in September in Como?

In Como, Colorado, the average relative humidity in September is 59%.

How much does it rain in Como in September?

In Como, Colorado, during September, the rain falls for 11.5 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How many days does it snow in September in Como?

In Como, during September, snow falls for 5.5 days and regularly aggregates up to 2.05" (52mm) of snow.

How many hours of daylight does Como have in September?

The average length of the day in September in Como, Colorado, is 12.4h.

How many hours of sunshine does Como have in September?

In Como, Colorado, the average sunshine in September is 10.5h.

What is the UV index reading in September in Como?

The average daily maximum UV index in September in Como, Colorado, is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Como, CO

Average temperature in September - Como, CO
  • Average high temperature in September: 57.6°F

The warmest month (with the highest average high temperature) is July (65.8°F).
The month with the lowest average high temperature is December (21.2°F).

  • Average low temperature in September: 33.4°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (0.7°F).

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Average pressure in September
Como, CO

Average pressure in September - Como, CO
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is January (30.19").
Months with the lowest atmospheric pressure are April and May (29.94").

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Average wind speed in September
Como, CO

Average wind speed in September - Como, CO
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Como, CO

Average humidity in September - Como, CO
  • Average humidity in September: 59%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (54%).

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Average rainfall in September
Como, CO

Average rainfall in September - Como, CO
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is November (1.14").

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Average rainfall days in September
Como, CO

Average rainfall days in September - Como, CO
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (2.8 days).

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Average snowfall in September
Como, CO

Average snowfall in September - Como, CO
  • Average snowfall in September: 2.05"

The month with the highest snowfall is May (19.69").
The month with the least snowfall is July (0.24").

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Average snowfall days in September
Como, CO

Average snowfall days in September - Como, CO
  • Average snowfall days in September: 5.5 days

The month with the highest number of snowfall days is April (22.8 days).
The month with the least snowfall days is July (1.3 days).

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Average daylight in September /
Average sunshine in September
Como, CO

Average daylight in September / Average sunshine in September - Como, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 10.5h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is February (Average sunshine: 5.2h).

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Average sunshine days in September
Como, CO

Average sunshine days in September - Como, CO
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (5.8 days).

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Average UV index in September
Como, CO

Average UV index in September - Como, CO
  • Average UV index in September: 2

Months with the highest UV index are May, June, July and August (UV index 3).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in September
Como, CO

Average cloud cover in September - Como, CO
  • Average cloud cover in September: 22

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 19).

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Average visibility in September
Como, CO

Average visibility in September - Como, CO
  • Average visibility in September: 6mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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