September weather forecast
Eastlake, CO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Eastlake, Colorado, with an average temperature varying between 53.8°F (12.1°C) and 79.5°F (26.4°C).

Temperature

September ushers in a minor alteration in Eastlake's climate, with the average high-temperature moving from August's hot 87.1°F (30.6°C) to a moderately hot 79.5°F (26.4°C). In Eastlake, the average temperature during the nights of September marks a significant drop from the daily high, settling at a cool 53.8°F (12.1°C).

Humidity

The average relative humidity in September is 41%.

Rainfall

In Eastlake, in September, it is raining for 3.3 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 48.3 rainfall days, and 3.19" (81mm) of precipitation is accumulated.

Snowfall

In Eastlake, snow does not fall in June through September.

Daylight

In Eastlake, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:43 pm MDT.

Sunshine

In September, the average sunshine is 11.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Eastlake in September?

The high-temperature, in September, in Eastlake, is 79.5°F (26.4°C), while the low-temperature averages to 53.8°F (12.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is computed to be 89.6°F (32°C).

What is the average humidity in September?

In Eastlake, the average relative humidity in September is 41%.

How many days does it rain in September?

In Eastlake, in September, it is raining for 3.3 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Eastlake?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of the month, in Eastlake, sunrise is at 6:55 am and sunset at 6:43 pm MDT.

How many hours of sunshine does Eastlake have in September?

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

How high is the UV index in September?

In Eastlake, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Eastlake, CO

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

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

Average pressure in September
Eastlake, CO

Average pressure in September - Eastlake, CO
  • Average pressure in September: 30"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).

Average wind speed in September
Eastlake, CO

Average wind speed in September - Eastlake, CO
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

Average humidity in September
Eastlake, CO

Average humidity in September - Eastlake, CO
  • Average humidity in September: 41%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).

Average rainfall in September
Eastlake, CO

Average rainfall in September - Eastlake, CO
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").

Average rainfall days in September
Eastlake, CO

Average rainfall days in September - Eastlake, CO
  • Average rainfall days in September: 3.3 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).

Average snowfall in September
Eastlake, CO

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

The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Eastlake, CO

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

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Eastlake, 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 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 42min).

Average sunshine days in September
Eastlake, CO

Average sunshine days in September - Eastlake, CO
  • Average sunshine days in September: 24.5 days

The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).

Average UV index in September
Eastlake, CO

Average UV index in September - Eastlake, 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).

Average cloud cover in September
Eastlake, CO

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

The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in September
Eastlake, CO

Average visibility in September - Eastlake, 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).

Eastlake, Colorado, USA

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