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
Gardner's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 74.3°F (23.5°C) to an agreeable 68.5°F (20.3°C). Throughout September nights, Gardner reports a steady thermal contrast from the day, with an average low-temperature of 45°F (7.2°C).Humidity
In September, the average relative humidity is 53%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 125.5 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Gardner, Colorado. September is the first month it typically snows in Gardner. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 73.4 snowfall days, and 53.07" (1348mm) of snow is accumulated.Daylight
In Gardner, Colorado, the average length of the day in September is 12h and 25min.On the first day of September in Gardner, sunrise is at 6:31 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm MDT.
Sunshine
In Gardner, the average sunshine in September is 11.1h.UV index
In Gardner, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gardner in September?
What is the average humidity in September in Gardner?
How many days does it rain in September in Gardner?
When does it start snowing in Gardner?
What is the average length of the day in September in Gardner?
What time are sunrise and sunset in September in Gardner?
How many hours of sunshine does Gardner have in September?
How high is the UV index in September in Gardner?
Average temperature in September
Gardner, CO
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 45°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Gardner, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).
Average wind speed in September
Gardner, CO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Gardner, CO
- Average humidity in September: 53%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (43%).
Average rainfall in September
Gardner, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Gardner, CO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in September
Gardner, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (9.37").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Gardner, CO
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gardner, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Gardner, CO
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (6 days).
Average UV index in September
Gardner, CO
- Average UV index in September: 4
The months with the highest UV index are June 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
Gardner, CO
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Gardner, 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).
Gardner, Colorado, USA
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