Petrified Forest National Park
Arizona, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Petrified Forest National Park, AZ

Petrified rock pieces in the Petrified Forest National Park, Arizona
Petrified rock pieces in the Petrified Forest National Park, Arizona
September, the first month of the autumn, in Petrified Forest National Park, is still a warm month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 84°F (28.9°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 90°F (32.2°C) in August, to a moderately hot 84°F (28.9°C). In September, the average low-temperature is 52°F (11.1°C).

Rainfall

In Petrified Forest National Park, Arizona, 1.3" (33.8mm) of precipitation is typically accumulated. During the entire year, Petrified Forest National Park aggregates up to 10.5" (267.7mm) of precipitation.

Daylight

In September, the average length of the day is 12.4h.

What is the temperature in September in Petrified Forest National Park?

The average high-temperature, in September, is 84°F (28.9°C), while the average low-temperature is 52°F (11.1°C).

How much does it rain in Petrified Forest National Park in September?

In Petrified Forest National Park, in September, 1.3" (33.8mm) of precipitation is typically accumulated.

What is the average length of the day in September in Petrified Forest National Park?

In Petrified Forest National Park, Arizona, the average length of the day in September is 12.4h.
Average temperature in September - Petrified Forest National Park, AZ
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (92°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (60°F).
Coldest months (with the lowest average low temperature) are January and December (21°F).

Average rainfall in September - Petrified Forest National Park, AZ
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is August (1.6").
The driest month (with the lowest rainfall) is June (0.3").

Average daylight in September - Petrified Forest National Park, 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).