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 arrival of September is marked by a minor reduction in average high-temperature, sliding from an agreeable 68.7°F (20.4°C) in August to an enjoyable 62.8°F (17.1°C). Silver Plume registers a significant drop in temperature in September, with average nighttime lows of 37.9°F (3.3°C).Humidity
The average relative humidity in September is 54%.Rainfall
In Silver Plume, in September, during 13 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Silver Plume, during the entire year, the rain falls for 138.3 days and collects up to 23.07" (586mm) of precipitation.Snowfall
Months with snowfall in Silver Plume are January through December. In Silver Plume, in September, during 3.5 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Silver Plume, during the entire year, snow falls for 127.6 days and aggregates up to 93.94" (2386mm) of snow.Daylight
In Silver Plume, the average length of the day in September is 12h and 26min.On the first day of September in Silver Plume, sunrise is at 6:31 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm MDT.
Sunshine
The average sunshine in September in Silver Plume is 11h.UV index
The average daily maximum UV index in September in Silver Plume is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Silver Plume in September?
What is the average humidity in September in Silver Plume?
How many days does it rain in September in Silver Plume?
How many days does it snow in September in Silver Plume?
What is the average length of the day in September in Silver Plume?
What time are sunrise and sunset in September in Silver Plume?
How long on average sun shines in September in Silver Plume?
How high is the UV index in September in Silver Plume?
Average temperature in September
Silver Plume, CO
- Average high temperature in September: 62.8°F
The warmest month (with the highest average high temperature) is July (70°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in September: 37.9°F
The month with the highest average low temperature is July (44.2°F).
The coldest months (with the lowest average low temperature) are January and December (8.1°F).
Average pressure in September
Silver Plume, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and May (29.93"Hg).
Average wind speed in September
Silver Plume, CO
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Silver Plume, CO
- Average humidity in September: 54%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (51%).
Average rainfall in September
Silver Plume, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
Silver Plume, CO
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in September
Silver Plume, CO
- Average snowfall in September: 1.26"
The month with the highest snowfall is May (17.48").
The month with the least snowfall is July (0.12").
Average snowfall days in September
Silver Plume, CO
- Average snowfall days in September: 3.5 days
The month with the highest number of snowfall days is April (18.5 days).
The months with the least snowfall days are July and August (0.5 days).
Average daylight in September /
Average sunshine in September
Silver Plume, 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 24min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Silver Plume, CO
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in September
Silver Plume, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Silver Plume, CO
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are June and September (Cloud cover 18).
Average visibility in September
Silver Plume, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Silver Plume, Colorado, USA
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