September weather forecast
Englewood, CO

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A high building holding offices and hotel in Englewood, Colorado
A high building holding offices and hotel in Englewood, Colorado

Weather in September

The weather in September depicts the seasonal change towards fall, with temperatures decreasing to a high of 78.4°F (25.8°C). Corresponding with fall's arrival, rainfall decreases, and snowfall is essentially nonexistent - a testament to the remaining warm conditions. The diminishing daylight hours, paired with a decline in UV index, further signify the gradual move towards cooler months. The cloud coverage remains low, providing ample sunshine for enjoying the outdoor beauty of Englewood.

Temperature

Englewood in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 85.5°F (29.7°C) in August to a still moderately hot 78.4°F (25.8°C). Englewood demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 52.9°F (11.6°C).

Humidity

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

Rainfall

In Englewood, in September, it is raining for 7.2 days, with typically 0.51" (13mm) of accumulated precipitation. In Englewood, during the entire year, the rain falls for 80.2 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

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

Daylight

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

The average sunshine in September is 11.1h.

UV index

In September, the average daily maximum UV index in Englewood, Colorado, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Englewood?

In Englewood, in September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 52.9°F (11.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 84.2°F (29°C).

What is the average humidity in September in Englewood?

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

How much does it rain in Englewood in September?

In Englewood, in September, during 7.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Englewood?

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

Does it snow in Englewood in September?

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

What is the average length of the day in September in Englewood?

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

What time are sunrise and sunset in September in Englewood?

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

How long on average sun shines in September in Englewood?

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

What is the UV index reading in September in Englewood?

In September, the average daily maximum UV index in Englewood, Colorado, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Englewood, CO

Average temperature in September - Englewood, CO
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (41.7°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).

Average pressure in September
Englewood, CO

Average pressure in September - Englewood, 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).

Average wind speed in September
Englewood, CO

Average wind speed in September - Englewood, CO
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (6mph).

Average humidity in September
Englewood, CO

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

The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are June and August (41%).

Average rainfall in September
Englewood, CO

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

The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in September
Englewood, CO

Average rainfall days in September - Englewood, CO
  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in September
Englewood, CO

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

The month with the highest snowfall is April (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Englewood, CO

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

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Englewood, 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).

Average sunshine days in September
Englewood, CO

Average sunshine days in September - Englewood, CO
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (14 days).

Average UV index in September
Englewood, CO

Average UV index in September - Englewood, 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
Englewood, CO

Average cloud cover in September - Englewood, 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).

Average visibility in September
Englewood, CO

Average visibility in September - Englewood, 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).

Englewood, Colorado, USA

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