September weather forecast
Burlington, CO

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Burlington, Colorado, with an average temperature ranging between max 80.1°F (26.7°C) and min 58.3°F (14.6°C).

Temperature

September marks a gentle change in average high-temperature, declining from August's tropical 87.1°F (30.6°C) to a moderately hot 80.1°F (26.7°C). Burlington, in September, displays a significant temperature downturn during the night, with an average reading of 58.3°F (14.6°C).

Humidity

In September, the average relative humidity is 49%.

Rainfall

In Burlington, in September, it is raining for 10.5 days, with typically 1.1" (28mm) of accumulated precipitation. In Burlington, Colorado, during the entire year, the rain falls for 108.3 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Burlington is 12h and 26min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:19 pm. On the last day of September, in Burlington, sunrise is at 6:44 am and sunset at 6:32 pm MDT.

Sunshine

In September, the average sunshine in Burlington is 10.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Burlington in September?

Burlington in September has an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 58.3°F (14.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in September in Burlington?

In September, the average relative humidity in Burlington, Colorado, is 49%.

How much does it rain in Burlington in September?

In Burlington, Colorado, in September, during 10.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

When it does not snow in Burlington?

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

Does it snow in Burlington in September?

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

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

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

When are sunrise and sunset in September in Burlington?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:32 pm MDT.

How long on average sun shines in September in Burlington?

In Burlington, Colorado, the average sunshine duration in September is 10.1h.

What is the UV index reading in September in Burlington?

The average daily maximum UV index in September in Burlington is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Burlington, CO

Average temperature in September - Burlington, CO
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

Average pressure in September
Burlington, CO

Average pressure in September - Burlington, CO
  • Average pressure in September: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in September
Burlington, CO

Average wind speed in September - Burlington, CO
  • Average wind speed in September: 11.2mph

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

Average humidity in September
Burlington, CO

Average humidity in September - Burlington, CO
  • Average humidity in September: 49%

The months with the highest relative humidity are January, February and December (61%).
The months with the lowest relative humidity are June and July (48%).

Average rainfall in September
Burlington, CO

Average rainfall in September - Burlington, CO
  • Average rainfall in September: 1.1"

The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in September
Burlington, CO

Average rainfall days in September - Burlington, CO
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (15 days).
The months with the least rainy days are February and December (3.8 days).

Average snowfall in September
Burlington, CO

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

The month with the highest snowfall is February (2.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Burlington, CO

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

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Burlington, 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 30min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in September
Burlington, CO

Average sunshine days in September - Burlington, CO
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in September
Burlington, CO

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Burlington, CO

Average cloud cover in September - Burlington, CO
  • Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 17).

Average visibility in September
Burlington, CO

Average visibility in September - Burlington, 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).

Burlington, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location