September weather forecastPlatner, CO
September
Weather in September
September, the first month of the autumn in Platner, is also a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 56.8°F (13.8°C).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's hot 86.2°F (30.1°C) to a warm 79°F (26.1°C). Despite soaring daytime temperatures, Platner registers a consistent average low-temperature of 56.8°F (13.8°C) in September.Humidity
The months with the lowest humidity in Platner are August and September, with an average relative humidity of 47%.Rainfall
In Platner, in September, during 9.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Platner, Colorado, during the entire year, the rain falls for 106.1 days and collects up to 13.66" (347mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Platner is 12h and 26min.On the first day of September, sunrise is at 6:20 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm MDT.
Sunshine
The average sunshine in September in Platner is 10.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Platner, CO
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.5°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in September
Platner, CO
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Platner, CO
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.4mph).
Average humidity in September
Platner, CO
- Average humidity in September: 47%
The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (47%).
Average rainfall in September
Platner, CO
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Platner, CO
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Platner, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Platner, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Platner, CO
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Platner, CO
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Platner, CO
- Average UV index in September: 5
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
Platner, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 17).
Average visibility in September
Platner, 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).
