September 9 - LA JOLLA - Weather History and Averages

Station: LA JOLLA (2009 to 2025)
Country: US
State: CA
Latitude: 32.867
Longitude: -117.258

High Temperatures

On September 9 in LA JOLLA the average high temperature is 74.4 °F (23.5 °C). The lowest recored high temperature was 65.3 °F (18.5 °C) in 2010 and the highest recored high temperature was 88.7 °F (31.5 °C) in 2022. The high temperature is usually^* between 71.0 °F (21.7 °C) and 77.8 °F (25.4 °C). About a quarter of the time, the high temperature is less than 71.0 °F (21.7 °C), and another quarter of the time, the high temperature is greater than and 77.8 °F (25.4 °C). About 95% of the time, the high temperature has been between 64.6 °F (18.1 °C) and 84.2 °F (29.0 °C).

Low Temperatures

On September 9 in LA JOLLA the average low temperature is 68.4 °F (20.2 °C). The lowest recored low temperature was 63.1 °F (17.3 °C) in 2011 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 2015. The low temperature is usually^* between 66.0 °F (18.9 °C) and 70.8 °F (21.5 °C). About a quarter of the time, the low temperature is less than 66.0 °F (18.9 °C), and another quarter of the time, the low temperature is greater than and 70.8 °F (21.5 °C). About 95% of the time, the low temperature has been between 61.4 °F (16.4 °C) and 75.3 °F (24.1 °C).

Frost

On September 9 in LA JOLLA expect the temperatures to drop below freezing for a risk of frost about 0.0% 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:

LA JOLLA — Integrated Surface Dataset (ISD) station ID: 994018 — from year 2009 to 2024

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