September weather forecastBayfield, CO
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Bayfield, Colorado, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 45.3°F (7.4°C).Temperature
Bayfield's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 75.7°F (24.3°C) to an agreeable 68.7°F (20.4°C). Bayfield's September nights see a large temperature deviation, with temperatures resting at a low of 45.3°F (7.4°C).Humidity
The average relative humidity in September is 52%.Rainfall
In Bayfield, in September, during 14.1 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 107.8 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Bayfield, Colorado.Daylight
In September, the average length of the day in Bayfield is 12h and 25min.On the first day of September, sunrise is at 6:41 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm MDT.
Sunshine
The average sunshine in September in Bayfield, Colorado, is 11h.UV index
In Bayfield, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayfield, CO
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Bayfield, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is May (29.91"Hg).
Average wind speed in September
Bayfield, CO
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are April, May and June (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in September
Bayfield, CO
- Average humidity in September: 52%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is June (37%).
Average rainfall in September
Bayfield, CO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in September
Bayfield, CO
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in September
Bayfield, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (13.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bayfield, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bayfield, CO
- Average daylight in September: 12h and 24min
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 42min).
- 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 6min).
Average sunshine days in September
Bayfield, CO
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
Bayfield, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Bayfield, CO
- Average cloud cover in September: 14
The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Bayfield, 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).
