Temperatures in September
It's cool to moderate in September in Vail with an average temperature of 18°C. Temperatures this month range from a low of 14°C to a high of 20°C. At night, you can expect temperatures between 3°C and 9°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Vail in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Vail with mild temperatures, averaging around 20°C during the day and nights close to 8°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature stays the same at 20°C, with nights close to 6°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of September
By the end of September, the average daytime temperature in Vail will be around 17°C, with nights close to 5°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Precipitation in September
In September, there is an average of 23 mm of precipitation, spread over 5 days. Of the total precipitation, about 0,7 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the West.
The precipitation chance averages 18% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Vail. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Vail in September |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 20°C | |
 High Temp |
20°C | 22°C | |
| Low Temp |
14°C | 17°C | |
 Total Precipitation |
23 mm | 44 mm | |
| Rainy Days |
5 days | 8 days | |
 Total Snowfall |
0,7 cm | 0 cm | |
| Snowy Days |
1 day | 0 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Vail?
Want nice weather? Then September is a great time to be in Vail. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Vail in September
With 29°C, Vail hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 4°C in 2014. The extreme night temperatures ranged from a low of -5°C to a high of 12°C.
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Daily Temperature in September in Vail
This chart shows the average daily temperatures, both day and night, for each day in September in Vail, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Vail
The chart below shows the average daily precipitation in September for Vail, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 5 days of rain in Vail.
Daily Snowfall in September in Vail
This chart shows the average daily snowfall in September in Vail, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.
Daily UV Index in September in Vail
This chart shows the average daily UV index in September in Vail, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Vail Over the Years
This chart shows the average temperature in September in Vail, measured in degrees Celsius, over the past years.
Total Precipitation in September in Vail Over the Years
This chart shows the average precipitation in September in Vail, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in September in Vail per year
This chart shows the average snowfall in September in Vail, measured in centimetres, over the past years.
Daily climate in September for Vail
Click on a specific day in September for detailed info on the typical weather on that day in Vail. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Vail
Have you been to Vail in September?
Share your weather experience in September in Vail.
Average Weather in Vail by Month
Click on a month below to see detailed weather info for Vail. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
