Supai
Arizona, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Supai, AZ

The first month of the autumn, September, is still a hot month in Supai, Arizona, with average temperature ranging between min 57°F (13.9°C) and max 90.3°F (32.4°C).

Temperature

In September, the average high-temperature marginally drops, from a sweltering 97°F (36.1°C) in August, to a hot 90.3°F (32.4°C). In Supai, the average low-temperature is 57°F (13.9°C).

Rainfall

In Supai, it is raining for 3 days, with typically 0.6" (16.5mm) of accumulated precipitation. Throughout the year, in Supai, there are 43 rainfall days, and 8.6" (217.6mm) of precipitation is accumulated.

Snowfall

In Supai snow does not fall in March through October.

Daylight

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

What is the temperature in September in Supai?

In Supai, in September, the average high-temperature is 90.3°F (32.4°C), and the average low-temperature is 57°F (13.9°C).

How much does it rain in Supai in September?

In September, in Supai, Arizona, the rain falls for 3 days. Throughout September, 0.6" (16.5mm) of precipitation is accumulated.

When it does not snow in Supai?

In Supai snow does not fall in March through October.

What is the average length of the day in September in Supai?

In Supai, Arizona, the average length of the day in September is 12.4h.
Average temperature in September - Supai, AZ
  • Average high temperature in September: 90.4°F

The warmest month (with the highest average high temperature) is July (99.8°F).
The month with the lowest average high temperature is January (53.3°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (66.1°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average rainfall in September - Supai, AZ
  • Average rainfall in September: 0.7"

The wettest month (with the highest rainfall) is August (1.4").
The driest month (with the lowest rainfall) is June (0.3").

Average rainfall days in September - Supai, AZ
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is August (6 days).
The month with the lowest number of rainy days is June (1 days).

Average snowfall in September - Supai, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.6").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average daylight in September - Supai, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).