Walnut Canyon National Monument
Arizona, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Walnut Canyon National Monument, AZ

The Walnut Canyon National Monument, Arizona, the USA with trees in its surrounding
The Walnut Canyon National Monument, Arizona, the USA with trees in its surrounding
September, the first month of the autumn, in Walnut Canyon National Monument, is still a warm month, with average temperature ranging between min 46.6°F (8.1°C) and max 77.2°F (25.1°C).

Temperature

In Walnut Canyon National Monument, the average high-temperature in September is practically the same as in August - a still moderately hot 77.2°F (25.1°C). The average low-temperature, in September, is 46.6°F (8.1°C).

Rainfall

In September, the rain falls for 7.5 days. Throughout September, 2" (51.8mm) of precipitation is accumulated. Throughout the year, there are 76 rainfall days, and 18.8" (478mm) of precipitation is accumulated.

Snowfall

In Walnut Canyon National Monument, Arizona, snow does not fall in June through September.

Daylight

The average length of the day in September is 12.4h.

What is the temperature in September in Walnut Canyon National Monument?

In Walnut Canyon National Monument, in September, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 46.6°F (8.1°C).

How much does it rain in Walnut Canyon National Monument in September?

In September, the rain falls for 7.5 days. Throughout September, 2" (51.8mm) of precipitation is accumulated.

Does it snow in Walnut Canyon National Monument in September?

In Walnut Canyon National Monument, Arizona, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Walnut Canyon National Monument?

June through September are months without snowfall.

How many hours of daylight does Walnut Canyon National Monument have in September?

In September, the average length of the day is 12.4h.
Average temperature in September - Walnut Canyon National Monument, AZ
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (85°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 46.6°F

The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average rainfall in September - Walnut Canyon National Monument, AZ
  • Average rainfall in September: 2"

The wettest month (with the highest rainfall) is August (3.3").
The driest month (with the lowest rainfall) is June (0.4").

Average rainfall days in September - Walnut Canyon National Monument, AZ
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is August (12.8 days).
The month with the lowest number of rainy days is June (2.8 days).

Average snowfall in September - Walnut Canyon National Monument, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (14.5").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in September - Walnut Canyon National Monument, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in September - Walnut Canyon National Monument, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).