Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the commencement of September, Wellington records a moderate temperature decline, with the average high easing from August's 81.5°F (27.5°C) to a still moderately hot 74.5°F (23.6°C). A marked difference from the daytime temperatures, Wellington's nighttime temperature falls to an average low of 49.3°F (9.6°C) in September.Humidity
The months with the lowest humidity in Wellington are June, August and September, with an average relative humidity of 45%.Rainfall
In Wellington, Colorado, during September, the rain falls for 6.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Wellington, during the entire year, the rain falls for 73.4 days and collects up to 7.64" (194mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of September, in Wellington, sunrise is at 6:56 am and sunset at 6:43 pm MDT.
Sunshine
In Wellington, the average sunshine in September is 11h.UV index
In September, the average daily maximum UV index in Wellington is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Wellington?
What are the least humid months in Wellington?
What is the average humidity in September in Wellington?
How much does it rain in Wellington in September?
When it does not snow in Wellington?
Does it snow in Wellington in September?
What is the average length of the day in September in Wellington?
What time are sunrise and sunset in September in Wellington?
How long on average sun shines in September in Wellington?
What is the UV index reading in September in Wellington?
Average temperature in September
Wellington, CO
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in September
Wellington, CO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Wellington, CO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Wellington, CO
- Average humidity in September: 45%
The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in September
Wellington, CO
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").
Average rainfall days in September
Wellington, CO
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in September
Wellington, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wellington, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wellington, 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 18min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Wellington, CO
- Average sunshine days in September: 21.7 days
The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in September
Wellington, CO
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Wellington, CO
- Average cloud cover in September: 16
The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in September
Wellington, 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).
Wellington, Colorado, USA
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