September 18 - FALLBROOK 5 NE - Weather History and Averages

Station: FALLBROOK 5 NE (2008 to 2025)
Country: US
State: CA
Latitude: 33.439
Longitude: -117.19

High Temperatures

On September 18 in FALLBROOK 5 NE the average high temperature is 86.5 °F (30.3 °C). The lowest recored high temperature was 78.1 °F (25.6 °C) in 2023 and the highest recored high temperature was 103.3 °F (39.6 °C) in 2020. The high temperature is usually^* between 81.6 °F (27.5 °C) and 91.4 °F (33.0 °C). About a quarter of the time, the high temperature is less than 81.6 °F (27.5 °C), and another quarter of the time, the high temperature is greater than and 91.4 °F (33.0 °C). About 95% of the time, the high temperature has been between 72.2 °F (22.3 °C) and 100.8 °F (38.2 °C).

Low Temperatures

On September 18 in FALLBROOK 5 NE the average low temperature is 60.2 °F (15.7 °C). The lowest recored low temperature was 48.4 °F (9.1 °C) in 2010 and the lowest recored low temperature was 72.3 °F (22.4 °C) in 2020. The low temperature is usually^* between 56.5 °F (13.6 °C) and 63.9 °F (17.7 °C). About a quarter of the time, the low temperature is less than 56.5 °F (13.6 °C), and another quarter of the time, the low temperature is greater than and 63.9 °F (17.7 °C). About 95% of the time, the low temperature has been between 49.4 °F (9.7 °C) and 70.9 °F (21.6 °C).

Frost

On September 18 in FALLBROOK 5 NE 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:

FALLBROOK 5 NE — Weather Bureau Army Navy (WBAN): 53151 — from year 2008 to 2024

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