September weather forecast
Joes, CO

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Weather in September

The first month of the autumn, September, is still a warm month in Joes, Colorado, with an average temperature ranging between min 56.8°F (13.8°C) and max 79.5°F (26.4°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's tropical 86.7°F (30.4°C) to a warm 79.5°F (26.4°C). The anticipated average low-temperature for September, a mild 56.8°F (13.8°C), shows a substantial deviation from the daytime maximums.

Humidity

September is the least humid month in Joes, with an average relative humidity of 49%.

Rainfall

In Joes, in September, during 7 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Joes, Colorado, there are 97.4 rainfall days, and 12.52" (318mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Joes, during the entire year, snow falls for 34.6 days and aggregates up to 14.09" (358mm) of snow.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:34 pm MDT.

Sunshine

In Joes, the average sunshine in September is 10.1h.

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 average individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Joes in September?

The high-temperature, in September, in Joes, is 79.5°F (26.4°C), while the low-temperature averages to 56.8°F (13.8°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What is the least humid month?

The least humid month is September, with an average relative humidity of 49%.

What is the average humidity in September?

The average relative humidity in September is 49%.

How much does it rain in September?

In Joes, in September, it is raining for 7 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it start to snow?

September is the first month it typically snows in Joes. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:19 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:34 pm MDT.

How many hours of sunshine does Joes have in September?

In September, the average sunshine duration is 10.1h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Joes, CO

Average temperature in September - Joes, CO
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (39.9°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in September
Joes, CO

Average pressure in September - Joes, CO
  • Average pressure in September: 29.93"Hg

The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in September
Joes, CO

Average wind speed in September - Joes, CO
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in September
Joes, CO

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

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is September (49%).

Average rainfall in September
Joes, CO

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

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are January and November (0.43").

Average rainfall days in September
Joes, CO

Average rainfall days in September - Joes, CO
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in September
Joes, CO

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

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Joes, CO

Average snowfall days in September - Joes, CO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in September
Joes, CO

Average sunshine days in September - Joes, CO
  • Average sunshine days in September: 20.8 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in September
Joes, CO

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

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

Average cloud cover in September
Joes, CO

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

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in September
Joes, CO

Average visibility in September - Joes, 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).

Joes, Colorado, USA

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