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
A minor decrease in the average high-temperature is observed during September, shifting from an agreeable 71.6°F (22°C) in August to an enjoyable 65.3°F (18.5°C). The nighttime temperature in Toponas shows a significant divergence from the daytime highs, averaging at a cold 38.7°F (3.7°C) in September.Humidity
In September, the average relative humidity is 55%.Rainfall
The months with the least rainfall in Toponas are September and November Rain falls for 12.7 days and accumulates 1.61" (41mm) of rain.Snowfall
Months with snowfall in Toponas are January through June, September through December. September is the first month it typically snows in Toponas. Throughout September, in the average 1.9 snowfall days, it receives 0.59" (15mm) of snow. Throughout the year, there are 145.9 snowfall days, and 139.69" (3548mm) of snow is accumulated.Daylight
In Toponas, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:35 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm MDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Toponas in September?
What is the average humidity in September in Toponas?
What is the driest month in Toponas?
How much does it rain in Toponas in September?
When does it start to snow in Toponas?
How many hours of daylight does Toponas have in September?
When is the sunrise / sunset in September in Toponas?
How long on average sun shines in September in Toponas?
What is the UV index intensity in September in Toponas?
Average temperature in September
Toponas, CO
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in September: 38.7°F
The month with the highest average low temperature is July (45.1°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in September
Toponas, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is May (29.93"Hg).
Average wind speed in September
Toponas, CO
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in September
Toponas, CO
- Average humidity in September: 55%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is June (53%).
Average rainfall in September
Toponas, CO
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are September and November (1.61").
Average rainfall days in September
Toponas, CO
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Toponas, CO
- Average snowfall in September: 0.59"
The month with the highest snowfall is April (22.72").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Toponas, CO
- Average snowfall days in September: 1.9 days
The month with the highest number of snowfall days is February (21.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Toponas, 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 24min).
- Average sunshine in September: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Toponas, CO
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in September
Toponas, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Toponas, CO
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, August and September (Cloud cover 16).
Average visibility in September
Toponas, 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, March and December (4mi).
Toponas, Colorado, USA
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