September weather forecast and climate
Sheridan Lake, CO

Weather in September

The first month of the autumn, September, is also a moderately hot month in Sheridan Lake, Colorado, with average temperature varying between 83.1°F (28.4°C) and 61.7°F (16.5°C).

Temperature

In Sheridan Lake, the average high-temperature marginally drops, from a tropical 89.8°F (32.1°C) in August, to a moderately hot 83.1°F (28.4°C). The average low-temperature, in September, is 61.7°F (16.5°C).

Heat index

The average heat index is evaluated at 83.1°F (28.4°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, differences in body mass, height, and shape, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Sheridan Lake is 45%.

Rainfall

In Sheridan Lake, Colorado, it is raining for 6.5 days, with typically 0.51" (13mm) of accumulated precipitation. In Sheridan Lake, Colorado, during the entire year, the rain falls for 79.5 days and collects up to 8.9" (226mm) of precipitation.

Snowfall

In Sheridan Lake snow does not fall in June through September.

Daylight

The average length of the day in Sheridan Lake is 12.4h.

Sunshine

The average sunshine in September is 10.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Sheridan Lake?

In Sheridan Lake, 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). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines air temperature and relative humidity, in September is estimated at 83.1°F (28.4°C).

What is the average humidity in September in Sheridan Lake?

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

How many days does it rain in September in Sheridan Lake?

In Sheridan Lake, in September, during 6.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

Does it snow in Sheridan Lake in September?

In Sheridan Lake, Colorado, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Sheridan Lake?

June through September are months without snowfall in Sheridan Lake.

How many hours of daylight does Sheridan Lake have in September?

In Sheridan Lake, the average length of the day in September is 12.4h.

How many hours of sunshine does Sheridan Lake have in September?

In Sheridan Lake, the average sunshine in September is 10.4h.

What is the UV index intensity in September in Sheridan Lake?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Sheridan Lake, CO

Average temperature in September - Sheridan Lake, 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).

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Average pressure in September
Sheridan Lake, CO

Average pressure in September - Sheridan Lake, CO
  • Average pressure in September: 29.93"

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

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Average wind speed in September
Sheridan Lake, CO

Average wind speed in September - Sheridan Lake, 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).

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Average humidity in September
Sheridan Lake, CO

Average humidity in September - Sheridan Lake, 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%).

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Average rainfall in September
Sheridan Lake, CO

Average rainfall in September - Sheridan Lake, 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").

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Average rainfall days in September
Sheridan Lake, CO

Average rainfall days in September - Sheridan Lake, 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).

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Average snowfall in September
Sheridan Lake, CO

Average snowfall in September - Sheridan Lake, CO
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Sheridan Lake, CO

Average snowfall days in September - Sheridan Lake, CO
  • Average snowfall days in September: 0 days

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

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Average daylight in September /
Average sunshine in September
Sheridan Lake, CO

Average daylight in September / Average sunshine in September - Sheridan Lake, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 10.4h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in September
Sheridan Lake, CO

Average sunshine days in September - Sheridan Lake, 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).

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Average UV index in September
Sheridan Lake, CO

Average UV index in September - Sheridan Lake, CO
  • Average UV index in September: 5

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

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Average cloud cover in September
Sheridan Lake, CO

Average cloud cover in September - Sheridan Lake, CO
  • Average cloud cover in September: 14

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

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Average visibility in September
Sheridan Lake, CO

Average visibility in September - Sheridan Lake, CO
  • Average visibility in September: 6mi

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

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