September weather forecast
Rico, CO

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The hilly slopes of the Rocky Mountains in Rico, Colorado, beautiful yellow trees and distant bare hilltops
The hilly slopes of the Rocky Mountains in Rico, Colorado, beautiful yellow trees and distant bare hilltops

Weather in September

The first month of the autumn, September, is still a refreshing month in Rico, Colorado, with an average temperature fluctuating between 39.7°F (4.3°C) and 62.2°F (16.8°C).

Temperature

As August makes way for September, Rico's average high-temperature eases from a pleasant 68.2°F (20.1°C) to a comfortable 62.2°F (16.8°C). In the face of high daytime temperatures, Rico witnesses a consistent average nighttime low of 39.7°F (4.3°C) during September.

Humidity

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

Rainfall

In Rico, in September, it is raining for 14.7 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 112.2 rainfall days, and 31.57" (802mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In September, it is snowing for 2.5 days. Throughout September, 1.69" (43mm) of snow is accumulated. In Rico, during the entire year, snow falls for 98.8 days and aggregates up to 121.42" (3084mm) of snow.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:56 pm MDT.

Sunshine

In September, the average sunshine is 10.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 62.2°F (16.8°C) and 39.7°F (4.3°C) respectively.

What is the average humidity in September?

The average relative humidity in September is 59%.

How much does it rain in September?

In Rico, in September, during 14.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in September?

In Rico, in September, snow falls for 2.5 days, with typically accumulated 1.69" (43mm) of snow.

How many hours of daylight does Rico have in September?

In Rico, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:56 pm MDT.

How many hours of sunshine does Rico have in September?

In Rico, the average sunshine duration in September is 10.7h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rico, CO

Average temperature in September - Rico, CO
  • Average high temperature in September: 62.2°F

The warmest month (with the highest average high temperature) is July (70.2°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in September: 39.7°F

The month with the highest average low temperature is July (46°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in September
Rico, CO

Average pressure in September - Rico, CO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).

Average wind speed in September
Rico, CO

Average wind speed in September - Rico, CO
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Rico, CO

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

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (43%).

Average rainfall in September
Rico, CO

Average rainfall in September - Rico, CO
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is July (6.02").
The driest months (with the least rainfall) are January and October (1.65").

Average rainfall days in September
Rico, CO

Average rainfall days in September - Rico, CO
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is July (23.5 days).
The month with the least rainy days is November (1.6 days).

Average snowfall in September
Rico, CO

Average snowfall in September - Rico, CO
  • Average snowfall in September: 1.69"

The month with the highest snowfall is March (22.13").
The month with the least snowfall is August (0.08").

Average snowfall days in September
Rico, CO

Average snowfall days in September - Rico, CO
  • Average snowfall days in September: 2.5 days

The month with the highest number of snowfall days is December (13.6 days).
The month with the least snowfall days is July (0.1 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in September
Rico, CO

Average sunshine days in September - Rico, CO
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (5.7 days).

Average UV index in September
Rico, CO

Average UV index in September - Rico, CO
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Rico, CO

Average cloud cover in September - Rico, CO
  • Average cloud cover in September: 16

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in September
Rico, CO

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

Rico, Colorado, USA

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