September weather forecast
Lakeside, CO

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Weather in September

September, the first month of the autumn in Lakeside, is also a moderately hot month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 51.4°F (10.8°C).

Temperature

Lakeside experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 83.8°F (28.8°C) in August to a still moderately hot 76.6°F (24.8°C). A steady average of 51.4°F (10.8°C) throughout September in Lakeside underscores a considerable divergence from the daytime high.

Humidity

The average relative humidity in September in Lakeside is 42%.

Rainfall

In Lakeside, in September, it is raining for 7.6 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Lakeside, there are 95 rainfall days, and 10.08" (256mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Lakeside, Colorado, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm MDT.

Sunshine

In September, the average sunshine in Lakeside is 11.1h.

UV index

In Lakeside, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Lakeside in September?

Lakeside in September has an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 51.4°F (10.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 82.4°F (28°C).

What is the average humidity in September in Lakeside?

In September, the average relative humidity in Lakeside, Colorado, is 42%.

How many days does it rain in September in Lakeside?

In Lakeside, Colorado, in September, during 7.6 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Lakeside?

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

Does it snow in Lakeside in September?

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

How many hours of daylight does Lakeside have in September?

The average day length in September in Lakeside is 12h and 26min.

When is the sunrise / sunset in September in Lakeside?

On the first day of September in Lakeside, Colorado, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm MDT.

How many hours of sunshine does Lakeside have in September?

In September, the average sunshine duration in Lakeside is 11.1h.

What is the UV index reading in September in Lakeside?

In September, the average daily maximum UV index in Lakeside, Colorado, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Lakeside, CO

Average temperature in September - Lakeside, CO
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (39.6°F).

  • Average low temperature in September: 51.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).

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Average pressure in September
Lakeside, CO

Average pressure in September - Lakeside, CO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in September
Lakeside, CO

Average wind speed in September - Lakeside, CO
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

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Average humidity in September
Lakeside, CO

Average humidity in September - Lakeside, CO
  • Average humidity in September: 42%

The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and August (41%).

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Average rainfall in September
Lakeside, CO

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

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Lakeside, CO

Average rainfall days in September - Lakeside, CO
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (3.3 days).

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Average snowfall in September
Lakeside, CO

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

The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lakeside, CO

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

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Lakeside, 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: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days in September
Lakeside, CO

Average sunshine days in September - Lakeside, CO
  • Average sunshine days in September: 19 days

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (13.5 days).

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Average UV index in September
Lakeside, CO

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

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).

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Average cloud cover in September
Lakeside, CO

Average cloud cover in September - Lakeside, CO
  • Average cloud cover in September: 14

The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in September
Lakeside, CO

Average visibility in September - Lakeside, 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).

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Lakeside, Colorado, USA

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