September weather forecast
Kornman, CO

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Weather in September

September, the first month of the autumn in Kornman, is still a warm month, with an average temperature fluctuating between 61.7°F (16.5°C) and 83.1°F (28.4°C).

Temperature

Kornman's weather subtly changes with the onset of September, barely falling from a hot 89.8°F (32.1°C) in August to a warm 83.1°F (28.4°C). During the nights in September, the temperature in Kornman, Colorado, averages to a refreshing 61.7°F (16.5°C).

Heat index

During September, the heat index is computed to be 82.4°F (28°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In Kornman, the average relative humidity in September is 45%.

Rainfall

In Kornman, in September, during 6.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Kornman, during the entire year, the rain falls for 79.5 days and collects up to 8.9" (226mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Kornman is 12h and 25min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:34 pm MDT.

Sunshine

In September, the average sunshine is 10.4h.

UV index

In Kornman, Colorado, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Kornman during September?

In Kornman, in September, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F (28°C).

What is the average humidity in September in Kornman?

In Kornman, Colorado, the average relative humidity in September is 45%.

How many days does it rain in September in Kornman?

In Kornman, during September, the rain falls for 6.5 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Kornman?

June through September are months without snowfall.

Does it snow in Kornman in September?

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

How many hours of daylight does Kornman have in September?

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

What time are sunrise and sunset in September in Kornman?

On the first day of September in Kornman, Colorado, sunrise is at 6:20 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:34 pm MDT.

How many hours of sunshine does Kornman have in September?

In September, the average sunshine duration in Kornman, Colorado, is 10.4h.

What is the UV index intensity in September in Kornman?

In Kornman, the average daily maximum UV index in September 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
Kornman, CO

Average temperature in September - Kornman, CO
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure in September
Kornman, CO

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in September
Kornman, CO

Average wind speed in September - Kornman, CO
  • Average wind speed in September: 10.9mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity in September
Kornman, CO

Average humidity in September - Kornman, CO
  • Average humidity in September: 45%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall in September
Kornman, CO

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

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in September
Kornman, CO

Average rainfall days in September - Kornman, CO
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in September
Kornman, CO

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Kornman, CO

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

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 10h and 2min

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 36min).

Average sunshine days in September
Kornman, CO

Average sunshine days in September - Kornman, CO
  • Average sunshine days in September: 21.8 days

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in September
Kornman, CO

Average UV index in September - Kornman, 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
Kornman, CO

Average cloud cover in September - Kornman, 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
Kornman, CO

Average visibility in September - Kornman, 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).

Kornman, Colorado, USA

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