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
In Lucerne, entering September brings a subtle temperature decrement, reducing from August's tropical 87.1°F (30.6°C) to a moderately hot 79.3°F (26.3°C). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a fresh 53.2°F (11.8°C).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 44%.Rainfall
In Lucerne, in September, it is raining for 9.5 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 108.3 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lucerne.Daylight
In Lucerne, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of September, in Lucerne, sunrise is at 6:55 am and sunset at 6:42 pm MDT.
Sunshine
In Lucerne, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September in Lucerne is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Guard yourself - Avoiding sunburn is suggested. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lucerne?
What are the least humid months in Lucerne?
What is the average humidity in September in Lucerne?
How many days does it rain in September in Lucerne?
When it does not snow in Lucerne?
Does it snow in Lucerne in September?
How many hours of daylight does Lucerne have in September?
When are sunrise and sunset in September in Lucerne?
How long on average sun shines in September in Lucerne?
What is the UV index reading in September in Lucerne?
Average temperature in September
Lucerne, CO
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in September
Lucerne, CO
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Lucerne, CO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Lucerne, CO
- Average humidity in September: 44%
The month with the highest relative humidity is December (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in September
Lucerne, CO
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and December (0.31").
Average rainfall days in September
Lucerne, CO
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Lucerne, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lucerne, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lucerne, CO
- Average daylight in September: 12h and 2min
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: 10h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Lucerne, CO
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in September
Lucerne, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lucerne, CO
- Average cloud cover in September: 18
The months with the most cloud cover are February and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Lucerne, CO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lucerne, Colorado, USA
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