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

September weather forecast and climate
Tempe, AZ

A view, from above the Tempe Town Lake, of Tempe City, Arizona
A view, from above the Tempe Town Lake, of Tempe City, Arizona
September, the first month of the autumn, in Tempe, is also a sweltering month, with temperature in the range of an average low of 68°F (20°C) and an average high of 100°F (37.8°C).

Temperature

In Tempe, the average high-temperature in September is essentially the same as in August - a still torrid 100°F (37.8°C). The average low-temperature, in September, is 68°F (20°C).

Rainfall

Throughout September, in Tempe, Arizona, 0.7" (17.3mm) of precipitation is accumulated. During the entire year, Tempe aggregates up to 9.4" (238mm) of precipitation.

Daylight

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

What is the temperature in September in Tempe?

In Tempe, Arizona, in September, the average high-temperature is 100°F (37.8°C), and the average low-temperature is 68°F (20°C).

How much does it rain in Tempe in September?

In Tempe, Arizona, in September, 0.7" (17.3mm) of precipitation is typically accumulated.

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

In September, the average length of the day in Tempe, Arizona, is 12.4h.
Average temperature in September - Tempe, AZ
  • Average high temperature in September: 100°F

The warmest month (with the highest average high temperature) is July (105°F).
The month with the lowest average high temperature is December (68°F).

  • Average low temperature in September: 68°F

Months with the highest average low temperature are July and August (75°F).
The coldest month (with the lowest average low temperature) is December (38°F).

Average rainfall in September - Tempe, 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").

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

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).