September weather forecastBurlington, CO
September
Weather in September
The first month of the autumn, September, is still a warm month in Burlington, Colorado, with an average temperature fluctuating between 80.1°F (26.7°C) and 58.3°F (14.6°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 87.1°F (30.6°C) in August to a warm 80.1°F (26.7°C). Burlington reports a significant contrast between daytime and nighttime temperatures, with an average low of 58.3°F (14.6°C) in September.Humidity
In September, the average relative humidity in Burlington is 49%.Rainfall
In Burlington, in September, during 10.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Burlington, during the entire year, the rain falls for 108.3 days and collects up to 13.39" (340mm) of precipitation.Snowfall
In Burlington, 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 6:18 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
The average sunshine in September is 10.1h.UV index
In Burlington, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 24min
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 6min
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: 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: 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: 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: 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).
