September 12 - NEWPORT BEACH - Weather History and Averages

Station: NEWPORT BEACH (1977 to 1996)
Country: US
State: CA
Latitude: 33.6
Longitude: -117.88

High Temperatures

On September 12 in NEWPORT BEACH the average high temperature is 68.6 °F (20.3 °C). The lowest recored high temperature was 63.9 °F (17.7 °C) in 1991 and the highest recored high temperature was 73.9 °F (23.3 °C) in 1984. The high temperature is usually^* between 66.5 °F (19.2 °C) and 70.6 °F (21.5 °C). About a quarter of the time, the high temperature is less than 66.5 °F (19.2 °C), and another quarter of the time, the high temperature is greater than and 70.6 °F (21.5 °C). About 95% of the time, the high temperature has been between 62.7 °F (17.0 °C) and 74.5 °F (23.6 °C).

Low Temperatures

On September 12 in NEWPORT BEACH the average low temperature is 62.3 °F (16.8 °C). The lowest recored low temperature was 56.8 °F (13.8 °C) in 1985 and the lowest recored low temperature was 70.9 °F (21.6 °C) in 1984. The low temperature is usually^* between 55.7 °F (13.2 °C) and 68.9 °F (20.5 °C). About a quarter of the time, the low temperature is less than 55.7 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 68.9 °F (20.5 °C). About 95% of the time, the low temperature has been between 43.2 °F (6.2 °C) and 81.4 °F (27.4 °C).

Frost

On September 12 in NEWPORT BEACH expect the temperatures to drop below freezing for a risk of frost about 0.1% of the time.

^{Usually* in this context means around 50% of the
time, assuming a normal distribution of values.}

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations:

NEWPORT BEACH — Integrated Surface Dataset (ISD) station ID: 722973 — from year 1978 to 1991

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