September 30 - OCEANSIDE HARBOR - Weather History and Averages

Station: OCEANSIDE HARBOR (1981 to 1996)
Country: US
State: CA
Latitude: 33.22
Longitude: -117.4

High Temperatures

On September 30 in OCEANSIDE HARBOR the average high temperature is 69.2 °F (20.7 °C). The lowest recored high temperature was 66.9 °F (19.4 °C) in 1989 and the highest recored high temperature was 70.9 °F (21.6 °C) in 1987. The high temperature is usually^* between 68.1 °F (20.0 °C) and 70.3 °F (21.3 °C). About a quarter of the time, the high temperature is less than 68.1 °F (20.0 °C), and another quarter of the time, the high temperature is greater than and 70.3 °F (21.3 °C). About 95% of the time, the high temperature has been between 66.0 °F (18.9 °C) and 72.4 °F (22.4 °C).

Low Temperatures

On September 30 in OCEANSIDE HARBOR the average low temperature is 63.6 °F (17.5 °C). The lowest recored low temperature was 63.0 °F (17.2 °C) in 1987 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1985. The low temperature is usually^* between 61.1 °F (16.1 °C) and 66.1 °F (18.9 °C). About a quarter of the time, the low temperature is less than 61.1 °F (16.1 °C), and another quarter of the time, the low temperature is greater than and 66.1 °F (18.9 °C). About 95% of the time, the low temperature has been between 56.3 °F (13.5 °C) and 70.9 °F (21.6 °C).

Frost

On September 30 in OCEANSIDE HARBOR 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:

OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1985 to 1990

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