September weather forecast
Ruxton, CO

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Weather in September

September, the first month of the autumn in Ruxton, is still a warm month, with an average temperature fluctuating between 61.9°F (16.6°C) and 83.5°F (28.6°C).

Temperature

Ruxton's September weather shows a modest shift in high-temperatures, falling from August's hot 90.1°F (32.3°C) to a warm 83.5°F (28.6°C). September nights show a substantial disparity from the daytime peak with an average low-temperature of 61.9°F (16.6°C).

Heat index

September's average heat index is calculated to be 82.4°F (28°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in September in Ruxton, Colorado, is 43%.

Rainfall

In Ruxton, during September, the rain falls for 7.8 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 89.9 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

In Ruxton, snow does not fall in June through September.

Daylight

In Ruxton, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:36 pm MDT.

Sunshine

The average sunshine in September is 10.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Ruxton during September?

In September, in Ruxton, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in September in Ruxton?

In Ruxton, the average relative humidity in September is 43%.

How many days does it rain in September in Ruxton?

In Ruxton, Colorado, in September, during 7.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Ruxton?

In Ruxton, Colorado, snow does not fall in June through September.

Does it snow in Ruxton in September?

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

How many hours of daylight does Ruxton have in September?

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

When is the sunrise / sunset in September in Ruxton?

On the first day of September in Ruxton, sunrise is at 6:23 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm MDT.

How many hours of sunshine does Ruxton have in September?

The average sunshine duration in September in Ruxton is 10.6h.

How high is the UV index in September in Ruxton?

In Ruxton, Colorado, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Ruxton, CO

Average temperature in September - Ruxton, CO
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

Average pressure in September
Ruxton, CO

Average pressure in September - Ruxton, CO
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in September
Ruxton, CO

Average wind speed in September - Ruxton, CO
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).

Average humidity in September
Ruxton, CO

Average humidity in September - Ruxton, CO
  • Average humidity in September: 43%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).

Average rainfall in September
Ruxton, CO

Average rainfall in September - Ruxton, CO
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").

Average rainfall days in September
Ruxton, CO

Average rainfall days in September - Ruxton, CO
  • Average rainfall days in September: 7.8 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in September
Ruxton, CO

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ruxton, CO

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

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Ruxton, 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 July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in September
Ruxton, CO

Average sunshine days in September - Ruxton, CO
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).

Average UV index in September
Ruxton, CO

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Ruxton, CO

Average cloud cover in September - Ruxton, CO
  • Average cloud cover in September: 14

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in September
Ruxton, CO

Average visibility in September - Ruxton, 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).

Ruxton, Colorado, USA

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