September weather forecast
Kremmling, CO

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Trees and vast mountain ranges overlooking the iconic Cascade Lake within the region of Kremmling, Colorado
Trees and vast mountain ranges overlooking the iconic Cascade Lake within the region of Kremmling, Colorado

Weather in September

The first month of the autumn, September, is still a comfortable month in Kremmling, Colorado, with an average temperature fluctuating between 37.4°F (3°C) and 67.1°F (19.5°C).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a warm 74.5°F (23.6°C) in August to an enjoyable 67.1°F (19.5°C). Kremmling anticipates a considerable cooling off from the daytime high to an average minimum temperature of 37.4°F (3°C) in September.

Humidity

In Kremmling, the average relative humidity in September is 51%.

Rainfall

September is the month with the least rainfall. Rain falls for 7.8 days and accumulates 0.63" (16mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Kremmling. September is the first month it typically snows. Throughout September, in the average 1.3 snowfall days, it receives 0.31" (8mm) of snow. In Kremmling, during the entire year, snow falls for 116.7 days and aggregates up to 79.57" (2021mm) of snow.

Daylight

In September, the average length of the day in Kremmling is 12h and 26min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:36 pm. On the last day of September, in Kremmling, sunrise is at 7:01 am and sunset at 6:48 pm MDT.

Sunshine

In Kremmling, the average sunshine in September is 11.3h.

UV index

In September, the average daily maximum UV index in Kremmling, Colorado, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Kremmling?

The average high-temperature and low-temperature in Kremmling during September are 67.1°F (19.5°C) and 37.4°F (3°C) respectively.

What is the average humidity in September in Kremmling?

In Kremmling, the average relative humidity in September is 51%.

What is the driest month in Kremmling?

The month with the least rainfall in Kremmling is September, when the rain falls for 7.8 days and typically collects 0.63" (16mm) of precipitation.

How much does it rain in Kremmling in September?

In September, the rain falls for 7.8 days. Throughout September, 0.63" (16mm) of precipitation is accumulated.

When does it start to snow in Kremmling?

September is the first month it typically snows in Kremmling, Colorado. Throughout September, in the average 1.3 snowfall days, it receives 0.31" (8mm) of snow.

How many hours of daylight does Kremmling have in September?

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

What time are sunrise and sunset in September in Kremmling?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:36 pm. On the last day of the month, in Kremmling, Colorado, sunrise is at 7:01 am and sunset at 6:48 pm MDT.

How many hours of sunshine does Kremmling have in September?

In September, the average sunshine duration is 11.3h.

How high is the UV index in September in Kremmling?

In September, the average daily maximum UV index in Kremmling, Colorado, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Kremmling, CO

Average temperature in September - Kremmling, CO
  • Average high temperature in September: 67.1°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in September: 37.4°F

The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).

Average pressure in September
Kremmling, CO

Average pressure in September - Kremmling, CO
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).

Average wind speed in September
Kremmling, CO

Average wind speed in September - Kremmling, CO
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).

Average humidity in September
Kremmling, CO

Average humidity in September - Kremmling, CO
  • Average humidity in September: 51%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is June (49%).

Average rainfall in September
Kremmling, CO

Average rainfall in September - Kremmling, CO
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in September
Kremmling, CO

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

The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in September
Kremmling, CO

Average snowfall in September - Kremmling, CO
  • Average snowfall in September: 0.31"

The month with the highest snowfall is April (14.65").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Kremmling, CO

Average snowfall days in September - Kremmling, CO
  • Average snowfall days in September: 1.3 days

The month with the highest number of snowfall days is February (17.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Kremmling, 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 2min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in September
Kremmling, CO

Average sunshine days in September - Kremmling, CO
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is April (9.2 days).

Average UV index in September
Kremmling, CO

Average UV index in September - Kremmling, CO
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Kremmling, CO

Average cloud cover in September - Kremmling, CO
  • Average cloud cover in September: 13

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 13).

Average visibility in September
Kremmling, CO

Average visibility in September - Kremmling, CO
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Kremmling, Colorado, USA

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