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 is characterized by a slight reduction in average high-temperature, easing from a warm 82°F (27.8°C) in August to a still moderately hot 75°F (23.9°C). In the month of September, an average of 54.1°F (12.3°C) marks the low-temperature.Humidity
In September, the average relative humidity in Dolores is 40%.Rainfall
In Dolores, Colorado, in September, during 6.3 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Dolores, during the entire year, the rain falls for 78.9 days and collects up to 9.84" (250mm) of precipitation.Snowfall
In Dolores, snow does not fall in May through September.Daylight
The average length of the day in September in Dolores is 12h and 25min.On the first day of September, sunrise is at 6:45 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:58 pm MDT.
Sunshine
The average sunshine in September in Dolores is 10.9h.UV index
In September, the average daily maximum UV index in Dolores is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dolores?
What is the average humidity in September in Dolores?
How much does it rain in Dolores in September?
When it does not snow in Dolores?
Does it snow in Dolores in September?
How many hours of daylight does Dolores have in September?
What time are sunrise and sunset in September in Dolores?
How long on average sun shines in September in Dolores?
What is the UV index intensity in September in Dolores?
Average temperature in September
Dolores, CO
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Dolores, CO
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Dolores, CO
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Dolores, CO
- Average humidity in September: 40%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).
Average rainfall in September
Dolores, CO
- Average rainfall in September: 0.47"
The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Dolores, CO
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in September
Dolores, CO
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dolores, CO
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (8.5 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
Dolores, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Dolores, CO
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).
Average UV index in September
Dolores, 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
Dolores, CO
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in September
Dolores, 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).
Dolores, Colorado, USA
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