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
The beginning of September in Leadville brings a slight decrease in the average high-temperature, transitioning from an enjoyable 64.8°F (18.2°C) in August to a moderate 58.8°F (14.9°C). Leadville reports a steady low-temperature average of 34.7°F (1.5°C) throughout September, revealing a large deviation from the daytime high.Humidity
In September, the average relative humidity in Leadville is 59%.Rainfall
In Leadville, in September, during 9.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Leadville, during the entire year, the rain falls for 103.1 days and collects up to 19.65" (499mm) of precipitation.Snowfall
January through December are months with snowfall in Leadville. In Leadville, in September, snow falls for 2.9 days, with typically accumulated 1.02" (26mm) of snow. In Leadville, Colorado, during the entire year, snow falls for 141.6 days and aggregates up to 104.69" (2659mm) of snow.Daylight
In September, the average length of the day in Leadville is 12h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm MDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In Leadville, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Leadville in September?
What is the average humidity in September in Leadville?
How much does it rain in Leadville in September?
How many days does it snow in September in Leadville?
How many hours of daylight does Leadville have in September?
When is the sunrise / sunset in September in Leadville?
How many hours of sunshine does Leadville have in September?
What is the UV index intensity in September in Leadville?
Average temperature in September
Leadville, CO
- Average high temperature in September: 58.8°F
The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (23°F).
- Average low temperature in September: 34.7°F
The month with the highest average low temperature is July (40.5°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in September
Leadville, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).
Average wind speed in September
Leadville, CO
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are February and June (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Leadville, CO
- Average humidity in September: 59%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (52%).
Average rainfall in September
Leadville, CO
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days in September
Leadville, CO
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in September
Leadville, CO
- Average snowfall in September: 1.02"
The month with the highest snowfall is March (18.11").
The month with the least snowfall is August (0.28").
Average snowfall days in September
Leadville, CO
- Average snowfall days in September: 2.9 days
The month with the highest number of snowfall days is April (19.9 days).
The months with the least snowfall days are July and August (1 days).
Average daylight in September /
Average sunshine in September
Leadville, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Leadville, CO
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in September
Leadville, CO
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Leadville, CO
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Leadville, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Leadville, Colorado, USA
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