September weather forecast
Dinosaur, CO

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Weather in September

September, the first month of the autumn in Dinosaur, is also a moderately hot month, with an average temperature ranging between min 53.4°F (11.9°C) and max 73.9°F (23.3°C).

Temperature

Dinosaur's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 82°F (27.8°C) in August to a still moderately hot 73.9°F (23.3°C). Dinosaur, in September, experiences an average temperature of 53.4°F (11.9°C) at night.

Humidity

In Dinosaur, the average relative humidity in September is 36%.

Rainfall

In Dinosaur, during September, the rain falls for 9.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 114.4 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Dinosaur, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm MDT.

Sunshine

In Dinosaur, the average sunshine in September is 11h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Dinosaur in September?

Dinosaur in September has an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 53.4°F (11.9°C).

What is the average humidity in September in Dinosaur?

In September, the average relative humidity is 36%.

How many days does it rain in September in Dinosaur?

In Dinosaur, in September, during 9.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Dinosaur have in September?

In Dinosaur, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Dinosaur?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm MDT.

How long on average sun shines in September?

In September, the average sunshine duration is 11h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Dinosaur, CO

Average temperature in September - Dinosaur, CO
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in September
Dinosaur, CO

Average pressure in September - Dinosaur, CO
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Dinosaur, CO

Average wind speed in September - Dinosaur, CO
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

Average humidity in September
Dinosaur, CO

Average humidity in September - Dinosaur, CO
  • Average humidity in September: 36%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (31%).

Average rainfall in September
Dinosaur, CO

Average rainfall in September - Dinosaur, CO
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is April (1.18").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September
Dinosaur, CO

Average rainfall days in September - Dinosaur, CO
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in September
Dinosaur, CO

Average snowfall in September - Dinosaur, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Dinosaur, CO

Average snowfall days in September - Dinosaur, CO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in September
Dinosaur, CO

Average sunshine days in September - Dinosaur, CO
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (13 days).

Average UV index in September
Dinosaur, CO

Average UV index in September - Dinosaur, CO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Dinosaur, CO

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

The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in September
Dinosaur, CO

Average visibility in September - Dinosaur, 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 month with the lowest visibility is January (4mi).

Dinosaur, Colorado, USA

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