As of 20:07 MST

Tempe, AZ weather in September

99°

Tempe, Saturday, 8 August, 20:07

Overcast. Feels like 96°. High 111°, low 91°.

Pressure29.74 inHg

Wind16.6 mph N

Humidity18%

Visibility6.2 mi

Dew point50°

See detailed hourly forecast

In September, Tempe, AZ averages a high of 97.8° and a low of 73.4°. About 1.2 inches of precipitation fall over the month (3 wet days). The record high is 114.6° (2024) and the record low 52.5° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	101.1°	79.2°	10%	110.3° (1982)	64° (1992)
2	100.9°	78.8°	15%	109.9° (1982)	63.7° (1992)
3	101.8°	78.6°	8%	109.4° (1983)	66.2° (1992)
4	101.3°	77.7°	12%	112.1° (2020)	62.2° (1961)
5	100.8°	77.5°	15%	113.7° (2020)	63.1° (1992)
6	100.8°	77.7°	10%	111.7° (2020)	61.3° (1970)
7	100.4°	77.5°	15%	110.5° (1979)	65.8° (1992)
8	100.4°	77.4°	12%	109° (2023)	64.9° (1992)
9	99.5°	76.5°	15%	111.4° (2023)	66.4° (1992)
10	99.1°	76.1°	17%	112.1° (2023)	66° (1992)
11	98.6°	75.2°	22%	110.7° (1990)	60.3° (1986)
12	98.2°	74.1°	13%	108.9° (1971)	56.5° (1985)
13	97.7°	73.8°	18%	108.7° (2000)	57.6° (1985)
14	97.2°	73.2°	12%	109.9° (2000)	62.2° (1982)
15	97.7°	73°	5%	108.5° (2000)	58.6° (1970)
16	97.9°	73.2°	5%	107.6° (2020)	57.7° (1970)
17	97.3°	72.7°	3%	108.9° (1962)	57.6° (1970)
18	97.2°	72°	8%	108.1° (1962)	62.2° (1970)
19	96.8°	71.1°	12%	108.3° (1962)	60.8° (1993)
20	96.4°	70.7°	8%	105.1° (2010)	55.8° (1965)
21	96.4°	70.7°	7%	103.8° (2020)	52.5° (1965)
22	95.4°	71.2°	15%	106° (1989)	56.1° (1965)
23	94.8°	70.3°	12%	105.4° (2001)	56.3° (1970)
24	95.2°	69.4°	10%	105.8° (2025)	55.6° (1986)
25	95.9°	70°	7%	108.7° (2024)	57.6° (1961)
26	95.5°	69.8°	12%	106.3° (2024)	57.6° (1961)
27	95.2°	69.4°	13%	109.9° (2024)	55.6° (1986)
28	95.4°	69.1°	7%	114.6° (2024)	57.2° (2013)
29	95.2°	69.3°	3%	110.3° (2024)	56.8° (1982)
30	95°	68°	7%	106° (2010)	56.1° (1965)