September weather forecast
Ault, CO

Share

Weather in September

The first month of the autumn, September, is still a warm month in Ault, Colorado, with an average temperature varying between 53.2°F (11.8°C) and 79.3°F (26.3°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's tropical 87.1°F (30.6°C) to a warm 79.3°F (26.3°C). The temperature in Ault, Colorado, notes a substantial fall from the daily peak to an average of 53.2°F (11.8°C) during September nights.

Humidity

The months with the lowest humidity in Ault are August and September, with an average relative humidity of 44%.

Rainfall

In Ault, in September, during 9.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Ault, there are 108.3 rainfall days, and 12.32" (313mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Ault, the average length of the day in September is 12h and 27min.
On the first day of September in Ault, Colorado, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm MDT.

Sunshine

In Ault, the average sunshine in September is 10.7h.

UV index

In Ault, Colorado, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
[Resources]

Frequently asked questions

What are September temperatures in Ault?

In Ault, in September, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 53.2°F (11.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the least humid month in Ault?

August and September, with an average relative humidity of 44%, are the least humid months in Ault.

What is the average humidity in September in Ault?

In Ault, the average relative humidity in September is 44%.

How much does it rain in Ault in September?

In September, in Ault, the rain falls for 9.5 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When it does not snow in Ault?

June through September are months without snowfall in Ault.

Does it snow in Ault in September?

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

How many hours of daylight does Ault have in September?

In September, the average day length in Ault, Colorado, is 12h and 27min.

What time are sunrise and sunset in September in Ault?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, in Ault, Colorado, sunrise is at 6:55 am and sunset at 6:42 pm MDT.

How many hours of sunshine does Ault have in September?

The average sunshine duration in September in Ault is 10.7h.

What is the UV index intensity in September in Ault?

The average daily maximum UV index in September in Ault, Colorado, is 4. A UV Index reading 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
Ault, CO

Average temperature in September - Ault, CO
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

[Resources]

Average pressure in September
Ault, CO

Average pressure in September - Ault, CO
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in September
Ault, CO

Average wind speed in September - Ault, CO
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

[Resources]

Average humidity in September
Ault, CO

Average humidity in September - Ault, CO
  • Average humidity in September: 44%

The month with the highest relative humidity is December (64%).
The months with the lowest relative humidity are August and September (44%).

[Resources]

Average rainfall in September
Ault, CO

Average rainfall in September - Ault, CO
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and December (0.31").

[Resources]

Average rainfall days in September
Ault, CO

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

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.9 days).

[Resources]

Average snowfall in September
Ault, CO

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

The month with the highest snowfall is April (3.23").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Ault, CO

Average snowfall days in September - Ault, CO
  • Average snowfall days in September: 0.1 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).

[Resources]

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

Average daylight in September / Average sunshine in September - Ault, 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 18min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

[Resources]

Average sunshine days in September
Ault, CO

Average sunshine days in September - Ault, CO
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is May (10.9 days).

[Resources]

Average UV index in September
Ault, CO

Average UV index in September - Ault, CO
  • Average UV index in September: 4

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, November and December (UV index 2).

[Resources]

Average cloud cover in September
Ault, CO

Average cloud cover in September - Ault, CO
  • Average cloud cover in September: 18

The months with the most cloud cover are February and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).

[Resources]

Average visibility in September
Ault, CO

Average visibility in September - Ault, 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).

[Resources]

Ault, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location