As of 06:09 PDT

Santa Rosa, CA weather in September

55°

Santa Rosa, Sunday, 9 August, 06:09

Clear. Feels like 54°. High 90°, low 55°.

Pressure29.85 inHg

Wind1.5 mph SW

Humidity92%

Visibility6.2 mi

Dew point53°

See detailed hourly forecast

In September, Santa Rosa, CA averages a high of 82.6° and a low of 56.2°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 115.5° (2022) and the record low 43° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.6°	57.2°	2%	107.2° (2017)	50.9° (1964)
2	85.8°	57.7°	0%	109° (2017)	50.4° (1960)
3	85.1°	57.2°	0%	99.5° (1988)	49.5° (2000)
4	85.3°	56.8°	0%	101.5° (2022)	49.3° (1960)
5	85.8°	57.6°	2%	108.9° (2022)	49.8° (2000)
6	85.3°	57.4°	0%	115.5° (2022)	51.4° (1980)
7	85.5°	57.4°	3%	110.7° (2020)	50.5° (1987)
8	84.9°	57.2°	2%	106° (2022)	51.1° (1964)
9	82.6°	56.8°	7%	99.7° (2015)	49.5° (1964)
10	82.8°	56.1°	2%	97.9° (1979)	49.1° (1985)
11	83.8°	56.3°	0%	101.7° (1979)	48.6° (1985)
12	83.3°	56.8°	0%	103.1° (1979)	50° (1985)
13	81.9°	56.7°	2%	104.7° (1971)	49.3° (1986)
14	80.2°	55.8°	3%	107.2° (1971)	48.2° (1966)
15	79.9°	55.2°	0%	104.5° (1971)	49.3° (1980)
16	80.4°	55.2°	8%	95.5° (1968)	48.2° (2006)
17	80.6°	55.8°	5%	102.2° (1984)	49.8° (2008)
18	80.2°	56.3°	13%	102.4° (2000)	46.2° (2008)
19	81.1°	55.4°	13%	98.8° (2000)	45.9° (2008)
20	82.6°	55.6°	2%	97.3° (1990)	48° (2004)
21	82.9°	55.8°	2%	99.9° (2003)	47.3° (1968)
22	81.5°	55°	3%	99.5° (2003)	48° (1968)
23	82.4°	55.4°	0%	99° (1964)	49.6° (1961)
24	81.9°	56.3°	5%	100.6° (2019)	48.7° (2007)
25	81.5°	55.9°	8%	102.4° (2019)	47.8° (1986)
26	81.1°	55.9°	8%	98.2° (1963)	47.8° (2013)
27	81.1°	55.9°	7%	99.9° (2020)	43° (1986)
28	81.3°	55.9°	3%	103.5° (2020)	45.3° (1986)
29	80.4°	55.4°	8%	98.4° (1966)	46.2° (2007)
30	80.2°	55.2°	7%	97.9° (1970)	44.2° (1971)