- Latitude: 33.3
- Longitude: -117.35
High Temperatures
On September 9 in this location the average high temperature is 81.0 °F (27.2 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1993 and the highest recored high temperature was 111.0 °F (43.9 °C) in 2024. The high temperature is usually* between 76.1 °F (24.5 °C) and 86.0 °F (30.0 °C). About a quarter of the time, the high temperature is less than 76.1 °F (24.5 °C), and another quarter of the time, the high temperature is greater than and 86.0 °F (30.0 °C). About 95% of the time, the high temperature has been between 66.6 °F (19.2 °C) and 95.5 °F (35.3 °C).
Low Temperatures
On September 9 in this location the average low temperature is 62.5 °F (16.9 °C). The lowest recored low temperature was 51.1 °F (10.6 °C) in 2010 and the lowest recored low temperature was 89.1 °F (31.7 °C) in 1984. The low temperature is usually* between 59.0 °F (15.0 °C) and 65.9 °F (18.8 °C). About a quarter of the time, the low temperature is less than 59.0 °F (15.0 °C), and another quarter of the time, the low temperature is greater than and 65.9 °F (18.8 °C). About 95% of the time, the low temperature has been between 52.4 °F (11.4 °C) and 72.5 °F (22.5 °C).
Frost
On September 9 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1974 to 2024
- MCCLELLAN-PALOMAR AIRPORT — Integrated Surface Dataset (ISD) station ID: 722927 — Weather Bureau Army Navy (WBAN): 03177 — from year 2006 to 2024
- OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 — from year 2006 to 2024
- FALLBROOK 5 NE — Weather Bureau Army Navy (WBAN): 53151 — from year 2008 to 2024
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2014 to 2023
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2014
- MC CLELLAN PALOMAR — Integrated Surface Dataset (ISD) station ID: 722927 — from year 1973 to 2005
- OCEANSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722934 — from year 1999 to 2005
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1993 to 1993
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1966 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951