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
September marks a gentle change in average high-temperature, declining from August's 84.2°F (29°C) to a still moderately hot 76.5°F (24.7°C). In Orchard Mesa, the nighttime temperature registers a significant drop from daytime peaks to an average of 53.1°F (11.7°C) in September.Humidity
The average relative humidity in September in Orchard Mesa is 39%.Rainfall
In Orchard Mesa, Colorado, during September, the rain falls for 7.3 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Orchard Mesa, Colorado, during the entire year, the rain falls for 93.6 days and collects up to 8.46" (215mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Orchard Mesa, Colorado, is 12h and 26min.On the first day of September, sunrise is at 6:43 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:57 pm MDT.
Sunshine
The average sunshine in September in Orchard Mesa is 11h.UV index
In September, the average daily maximum UV index in Orchard Mesa is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Orchard Mesa?
What is the average humidity in September in Orchard Mesa?
How many days does it rain in September in Orchard Mesa?
When it does not snow in Orchard Mesa?
Does it snow in Orchard Mesa in September?
What is the average length of the day in September in Orchard Mesa?
When are sunrise and sunset in September in Orchard Mesa?
How long on average sun shines in September in Orchard Mesa?
What is the UV index reading in September in Orchard Mesa?
Average temperature in September
Orchard Mesa, CO
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Orchard Mesa, CO
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.9"Hg).
Average wind speed in September
Orchard Mesa, CO
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in September
Orchard Mesa, CO
- Average humidity in September: 39%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in September
Orchard Mesa, CO
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (1.06").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in September
Orchard Mesa, CO
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in September
Orchard Mesa, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Orchard Mesa, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Orchard Mesa, 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: 11h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Orchard Mesa, CO
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in September
Orchard Mesa, 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
Orchard Mesa, CO
- Average cloud cover in September: 11
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in September
Orchard Mesa, CO
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Orchard Mesa, Colorado, USA
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