September weather forecastSteamboat Springs, CO
September
Weather in September
September initiates the onset of autumn with a notable dip in temperature, ranging from 38.8°F (3.8°C) to 67.3°F (19.6°C). The scenery of Steamboat Springs begins to change with the arrival of 'Fall Foliage'. The city is swathed in vibrant hues, painting a picturesque setting for nature enthusiasts and photographers. The dwindling daylight hours hint at the impending return of winter, but the weather remains favorable for outdoor pursuits. Despite the shorter days, September bestows upon the city a unique charm, celebrating the grandeur of nature.Temperature
September's arrival in Steamboat Springs comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 75.4°F (24.1°C) in August to an enjoyable 67.3°F (19.6°C). The nighttime temperature in Steamboat Springs shows a significant divergence from the daytime highs, averaging at an icy 38.8°F (3.8°C) in September.Humidity
In Steamboat Springs, the average relative humidity in September is 51%.Rainfall
In Steamboat Springs, during September, the rain falls for 5.9 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Steamboat Springs, during the entire year, the rain falls for 74.4 days and collects up to 8.15" (207mm) of precipitation.Snowfall
Months with snowfall in Steamboat Springs are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Steamboat Springs, Colorado, during the entire year, snow falls for 79.6 days and aggregates up to 42.4" (1077mm) of snow.Daylight
In September, the average length of the day in Steamboat Springs is 12h and 27min.On the first day of September in Steamboat Springs, sunrise is at 6:35 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm MDT.
Sunshine
In September, the average sunshine is 11h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Steamboat Springs, CO
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 38.8°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Steamboat Springs, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in September
Steamboat Springs, CO
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in September
Steamboat Springs, CO
- Average humidity in September: 51%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Steamboat Springs, CO
- Average rainfall in September: 0.28"
The wettest months (with the highest rainfall) are January and February (1.02").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in September
Steamboat Springs, CO
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is November (4 days).
Average snowfall in September
Steamboat Springs, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (8.39").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Steamboat Springs, CO
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Steamboat Springs, CO
- Average daylight in September: 12h and 24min
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 months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Steamboat Springs, CO
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in September
Steamboat Springs, CO
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Steamboat Springs, CO
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, August and September (Cloud cover 14).
Average visibility in September
Steamboat Springs, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
