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's onset introduces a mild reduction in the average high-temperature, from an agreeable 70.2°F (21.2°C) in August to an enjoyable 63.5°F (17.5°C). September nights report a substantial dip from daytime highs to an average of 39.6°F (4.2°C).Humidity
In Ridgway, the average relative humidity in September is 56%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 125.7 rainfall days, and 18.11" (460mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Ridgway, during the entire year, snow falls for 91.5 days and aggregates up to 66.1" (1679mm) of snow.Daylight
In Ridgway, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:41 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:54 pm MDT.
Sunshine
The average sunshine in September is 10.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Ridgway have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ridgway have in September?
What is the UV index reading in September?
Average temperature in September
Ridgway, CO
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 39.6°F
The month with the highest average low temperature is July (46.2°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Ridgway, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in September
Ridgway, CO
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in September
Ridgway, CO
- Average humidity in September: 56%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is June (42%).
Average rainfall in September
Ridgway, CO
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is June (0.98").
Average rainfall days in September
Ridgway, CO
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in September
Ridgway, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (11.81").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Ridgway, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ridgway, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
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: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Ridgway, CO
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
Ridgway, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Ridgway, CO
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Ridgway, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Ridgway, Colorado, USA
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