September weather forecastPalmer Lake, CO
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Palmer Lake, Colorado, with an average temperature fluctuating between 47.3°F (8.5°C) and 70.5°F (21.4°C).Temperature
With the onset of September, the average high-temperature subtly recedes from August's warm 75.9°F (24.4°C) to an agreeable 70.5°F (21.4°C). Despite high daytime temperatures, the average temperature lowers to a frosty 47.3°F (8.5°C) during September nights.Humidity
The average relative humidity in September is 51%.Rainfall
In Palmer Lake, in September, it is raining for 11.5 days, with typically 1.38" (35mm) of accumulated precipitation. In Palmer Lake, during the entire year, the rain falls for 117.5 days and collects up to 19.41" (493mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 68.6 snowfall days, and 50.51" (1283mm) of snow is accumulated.Daylight
In September, the average length of the day in Palmer Lake, Colorado, is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm MDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
In Palmer Lake, Colorado, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. 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. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palmer Lake, CO
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (54°F).
The coldest month (with the lowest average low temperature) is December (17.1°F).
Average pressure in September
Palmer Lake, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in September
Palmer Lake, CO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Palmer Lake, CO
- Average humidity in September: 51%
The month with the highest relative humidity is February (69%).
The month with the lowest relative humidity is June (48%).
Average rainfall in September
Palmer Lake, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January, November and December (0.63").
Average rainfall days in September
Palmer Lake, CO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (3.6 days).
Average snowfall in September
Palmer Lake, CO
- Average snowfall in September: 0.08"
The month with the highest snowfall is April (9.29").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Palmer Lake, CO
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Palmer Lake, CO
- Average daylight in September: 12h and 24min
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 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Palmer Lake, CO
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Palmer Lake, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Palmer Lake, CO
- Average cloud cover in September: 19
The months with the most cloud cover are April and May (Cloud cover 30).
The months with the least cloud cover are September, October and November (Cloud cover 19).
Average visibility in September
Palmer Lake, 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).
