- Latitude: 33.933
- Longitude: -116.967
High Temperatures
On September 1 in this location the average high temperature is 93.1 °F (34.0 °C). The lowest recored high temperature was 68.0 °F (20.0 °C) in 2023 and the highest recored high temperature was 109.9 °F (43.3 °C) in 2022. The high temperature is usually* between 88.1 °F (31.2 °C) and 98.2 °F (36.8 °C). About a quarter of the time, the high temperature is less than 88.1 °F (31.2 °C), and another quarter of the time, the high temperature is greater than and 98.2 °F (36.8 °C). About 95% of the time, the high temperature has been between 78.5 °F (25.8 °C) and 107.8 °F (42.1 °C).
Low Temperatures
On September 1 in this location the average low temperature is 61.3 °F (16.3 °C). The lowest recored low temperature was 37.4 °F (3.0 °C) in 2010 and the lowest recored low temperature was 81.0 °F (27.2 °C) in 1988. The low temperature is usually* between 56.9 °F (13.9 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the low temperature is less than 56.9 °F (13.9 °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 48.6 °F (9.2 °C) and 74.0 °F (23.3 °C).
Frost
On September 1 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:
- MARCH AIR RESERVE BASE — Integrated Surface Dataset (ISD) station ID: 722860 — Weather Bureau Army Navy (WBAN): 23119 — from year 1933 to 2024
- SAN BERNARDINO INTL — Integrated Surface Dataset (ISD) station ID: 722866 — from year 2009 to 2024
- HEMET RYAN — Integrated Surface Dataset (ISD) station ID: 720687 — from year 2020 to 2024
- NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 — from year 2014 to 2023
- BIG BEAR CITY AIRPORT — Integrated Surface Dataset (ISD) station ID: A06854 — Weather Bureau Army Navy (WBAN): 00115 — from year 2020 to 2023
- SAN BERNARDINO INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 722866 — Weather Bureau Army Navy (WBAN): 23122 — from year 1943 to 2013
- WARNER SPRINGS GLIDERPORT — Integrated Surface Dataset (ISD) station ID: 720165 — from year 2007 to 2012
- RIVERSIDE/MARCH AFB — Integrated Surface Dataset (ISD) station ID: 722860 — from year 2000 to 2004
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — from year 2000 to 2001
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — Weather Bureau Army Navy (WBAN): 23156 — from year 1973 to 1999
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1952