September 11 - 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 11 in LA JOLLA the average high temperature is 72.9 °F (22.7 °C). The lowest recored high temperature was 66.6 °F (19.2 °C) in 2010 and the highest recored high temperature was 80.4 °F (26.9 °C) in 2015. The high temperature is usually^* between 69.7 °F (21.0 °C) and 76.1 °F (24.5 °C). About a quarter of the time, the high temperature is less than 69.7 °F (21.0 °C), and another quarter of the time, the high temperature is greater than and 76.1 °F (24.5 °C). About 95% of the time, the high temperature has been between 63.6 °F (17.6 °C) and 82.2 °F (27.9 °C).

Low Temperatures

On September 11 in LA JOLLA the average low temperature is 67.8 °F (19.9 °C). The lowest recored low temperature was 61.5 °F (16.4 °C) in 2010 and the lowest recored low temperature was 75.2 °F (24.0 °C) in 2015. The low temperature is usually^* between 65.3 °F (18.5 °C) and 70.4 °F (21.3 °C). About a quarter of the time, the low temperature is less than 65.3 °F (18.5 °C), and another quarter of the time, the low temperature is greater than and 70.4 °F (21.3 °C). About 95% of the time, the low temperature has been between 60.4 °F (15.8 °C) and 75.2 °F (24.0 °C).

Frost

On September 11 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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