- Latitude: 33.128
- Longitude: -117.279
High Temperatures
On September 11 in this location the average high temperature is 80.1 °F (26.7 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1985 and the highest recored high temperature was 102.4 °F (39.1 °C) in 2017. The high temperature is usually* between 75.4 °F (24.1 °C) and 84.8 °F (29.3 °C). About a quarter of the time, the high temperature is less than 75.4 °F (24.1 °C), and another quarter of the time, the high temperature is greater than and 84.8 °F (29.3 °C). About 95% of the time, the high temperature has been between 66.6 °F (19.2 °C) and 93.7 °F (34.3 °C).
Low Temperatures
On September 11 in this location the average low temperature is 62.6 °F (17.0 °C). The lowest recored low temperature was 46.4 °F (8.0 °C) in 2000 and the lowest recored low temperature was 79.0 °F (26.1 °C) in 2015. The low temperature is usually* between 59.5 °F (15.3 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the low temperature is less than 59.5 °F (15.3 °C), and another quarter of the time, the low temperature is greater than and 65.7 °F (18.7 °C). About 95% of the time, the low temperature has been between 53.7 °F (12.0 °C) and 71.5 °F (21.9 °C).
Frost
On September 11 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 1973 to 2024
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722931 — Weather Bureau Army Navy (WBAN): 93107 — from year 2005 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
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 994018 — from year 2009 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 2012
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 997292 — from year 2005 to 2008
- 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
- SAN DIEGO/MIRAMAR N — Integrated Surface Dataset (ISD) station ID: 722930 — Weather Bureau Army Navy (WBAN): 93107 — from year 1989 to 2003
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1984 to 1995
- SAN DIEGO MIRAMAR NAS — Weather Bureau Army Navy (WBAN): 93107 — from year 1947 to 1988
- SOLANA BEACH — Integrated Surface Dataset (ISD) station ID: 722919 — from year 1986 to 1986
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1967 to 1970
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951