September weather forecast
Bryce Canyon National Park, UT

September at Bryce Canyon National Park brings a pleasant reduction in temperature. With 1.7" (43mm) of rain, it's drier than August, providing an ideal setting for outdoor activities. The landscape begins to take on the glorious hues of fall, attracting leaf peepers from all over the country. A noticeable restriction in daylight hours is observed as the month progresses, hinting at the upcoming winter. As September gives way to October, one can expect a drop in temperature coupled with vibrant autumnal colors.

Temperature

Bryce Canyon National Park's weather subtly changes with the onset of September, barely falling from a warm 77.4°F (25.2°C) in August to an agreeable 69.8°F (21°C). A notable decrease from the day's highest temperature marks September, culminating in an average low of 41.7°F (5.4°C).

Rainfall

In September, the rain falls for 7 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. In Bryce Canyon National Park, during the entire year, the rain falls for 75.6 days and collects up to 16.69" (424mm) 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 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 32 snowfall days, and 89.61" (2276mm) of snow is accumulated.

Daylight

In Bryce Canyon National Park, the average length of the day in September is 12h and 25min.
On the first day of September in Bryce Canyon National Park, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:12 pm MDT.

Sunshine

In September, the average sunshine is 10h.

UV index

In September, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 8 during September translates into these guidelines:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.