September weather forecast
Conejos, CO

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Weather in September

September, the first month of the autumn in Conejos, is still a pleasant month, with an average temperature ranging between min 45.5°F (7.5°C) and max 72.3°F (22.4°C).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a warm 78.6°F (25.9°C) in August to a pleasant 72.3°F (22.4°C). During September, Conejos notes a substantial drop from the daytime peak to an average minimum temperature of 45.5°F (7.5°C).

Humidity

In Conejos, Colorado, the average relative humidity in September is 49%.

Rainfall

In Conejos, during September, the rain falls for 6.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Conejos, there are 79.9 rainfall days, and 7.13" (181mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Conejos, during the entire year, snow falls for 44.9 days and aggregates up to 22.6" (574mm) of snow.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:48 pm MDT.

Sunshine

The average sunshine in September is 11.3h.

UV index

The average daily maximum UV index in September in Conejos is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take precautions - Protection against skin and eye damage is obliged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In September, in Conejos, the average high-temperature is 72.3°F (22.4°C), and the average low-temperature is 45.5°F (7.5°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in September?

In September, the average relative humidity is 49%.

How many days does it rain in September?

In Conejos, in September, it is raining for 6.9 days, with typically 0.51" (13mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Conejos have in September?

In Conejos, Colorado, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:48 pm MDT.

How long on average sun shines in September?

In September, the average sunshine duration is 11.3h.

How high is the UV index in September?

In Conejos, Colorado, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Conejos, CO

Average temperature in September - Conejos, CO
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 45.5°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in September
Conejos, CO

Average pressure in September - Conejos, CO
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

Average wind speed in September
Conejos, CO

Average wind speed in September - Conejos, CO
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Conejos, CO

Average humidity in September - Conejos, CO
  • Average humidity in September: 49%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

Average rainfall in September
Conejos, CO

Average rainfall in September - Conejos, CO
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

Average rainfall days in September
Conejos, CO

Average rainfall days in September - Conejos, CO
  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

Average snowfall in September
Conejos, CO

Average snowfall in September - Conejos, CO
  • Average snowfall in September: 0.04"

The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Conejos, CO

Average snowfall days in September - Conejos, CO
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Conejos, 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 42min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in September
Conejos, CO

Average sunshine days in September - Conejos, CO
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

Average UV index in September
Conejos, CO

Average UV index in September - Conejos, 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).

Average cloud cover in September
Conejos, CO

Average cloud cover in September - Conejos, CO
  • Average cloud cover in September: 12

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).

Average visibility in September
Conejos, CO

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Conejos, Colorado, USA

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