Moreno Valley in Fall

In fall (September, October and November), Moreno Valley sees average daytime highs around 76°F and overnight lows near 54°F, with 2.0 in of rain over about 7 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 88°F in early September to 63°F by late November. The sky is clear or mostly clear about 75% of the time across fall, and the air most often feels dry.

Fall is Moreno Valley's best season of the year to visit on our travel score. For the whole year in context, see Moreno Valley's year-round climate.

Avg daytime high
76°F
2nd-warmest season
Avg overnight low
54°F
Rainfall
2.0 in
7 wet days
Avg wind
4 mph
Travel score
7.8
best season of the year
Months
Sep · Oct · Nov

Temperature in Moreno Valley in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 88°F in early September to 63°F by late November.

A typical fall day in Moreno Valley reaches about 76°F and drops to 54°F overnight. The warmest of the three months is September, the coolest November.

40°60°80°100°SepOctNov

Moreno Valley weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan60° / 41°2.96.10.6105.5
Feb61° / 42°3.66.81.110.75.5
Mar64° / 45°2.26.20.811.76.6
Apr69° / 48°1.13.90.312.87.7
May74° / 53°0.52.6013.78.6
Jun82° / 59°0.10.7014.28.2
Jul87° / 65°0.52.60146.0
Aug89° / 66°0.42.8013.35.5
Sep85° / 62°0.31.8012.27.0
Oct77° / 54°0.72.4011.18.7
Nov67° / 46°1.03.10.210.27.7
Dec60° / 41°2.250.49.85.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Moreno Valley gets around 2.0 in of rain over 7 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 4 mph across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 42 min in early September to 9 h 54 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.9 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Moreno Valley?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.8
Sightseeing
1st-best month of the year
6.7
Beach & pool
2nd-best month of the year

fall is one of the better times to visit Moreno Valley for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Moreno Valley in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Moreno Valley sees daytime highs around 76°F and nights near 54°F. Pack light clothes and sun protection. Worth having: a warm layer. About 7 days see rain.

light clothessun protectiona warm layer

Sea temperature near Moreno Valley in Fall

The nearest coast averages about 66°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 mi away) is warmest in August at about 69°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar59Cool
Apr60Cool
May63Cool
Jun65Cool
Jul68Refreshing
Aug69Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec60Cool

UV index in Moreno Valley in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Moreno Valley peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Moreno Valley in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Moreno Valley is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1437 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May8Good
Jun19Moderate
Jul12Moderate
Aug20Moderate
Sep40Poor
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Moreno Valley?

Moreno Valley sits at 33.9°N, 117.2°W, 1,631 ft above sea level, in United States. The nearest listed city is Loma Linda, 8.1 mi away.

Topography around Moreno Valley

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Moreno Valley.

Within 2 miles, the terrain around Moreno Valley has significant variations in elevation — a maximum elevation change of 1,033 ft around an average of 1,703 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,333 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,421 ft.

The land around Moreno Valley is covered by artificial surfaces (80%) within 2 miles, grassland (35%) and artificial surfaces (33%) within 10 miles, and shrubs (29%) within 50 miles.

2 miles
1,033 ft
10 miles
2,333 ft
50 miles
11,421 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Loma Linda 8.1 mi · Mead Valley 8.1 mi · Redlands 8.7 mi · Riverside 9.3 mi · Colton 11 mi · Perris 11 mi · Rubidoux 11 mi · San Bernardino 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Moreno Valley (33.9375°, -117.2306°, elevation 1,631 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.