Morton in Fall

In fall (September, October and November), Morton sees average daytime highs around 64°F and overnight lows near 45°F, with 9.1 in of precipitation over about 24 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 81°F in early September to 45°F by late November. The sky is clear or mostly clear about 38% of the time across fall, and the air most often feels dry.

Fall is Morton's 2nd-best season to visit on our travel score. For the whole year in context, see Morton's year-round climate.

Avg daytime high
64°F
2nd-warmest season
Avg overnight low
45°F
Precipitation
9.1 in
24 wet days
Avg wind
8 mph
Travel score
5.2
2nd-best season
Months
Sep · Oct · Nov

Temperature in Morton in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 81°F in early September to 45°F by late November.

A typical fall day in Morton reaches about 64°F and drops to 45°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Morton

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 27 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
27
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Morton 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
Jan34° / 20°2.28.24.89.40.0
Feb38° / 23°2.17.23.810.40.1
Mar51° / 33°3.010.21.711.72.3
Apr63° / 43°4.511.60.5135.1
May73° / 54°4.613.5014.26.1
Jun81° / 64°4.511.7014.86.0
Jul84° / 67°3.710.3014.65.6
Aug83° / 65°3.19.1013.66.2
Sep77° / 57°3.17.7012.37.2
Oct64° / 45°3.18.40.110.96.0
Nov50° / 34°2.98.319.72.4
Dec38° / 25°2.37.83.39.10.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Morton gets around 9.1 in of rain and snow over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%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 8 mph across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 h 18 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 3.4 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Morton?

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.

5.2
Sightseeing
2nd-best month of the year
2.9
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Morton for sightseeing.

What to pack for Morton in Fall

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

In fall, Morton sees daytime highs around 64°F and nights near 45°F. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 24 days see rain.

a warm layerlight clothesrain gearsun protection

UV index in Morton in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morton peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Morton 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 Morton is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1816 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Morton?

Morton sits at 40.6°N, 89.5°W, 715 ft above sea level, in United States. The nearest listed city is Washington, 6.8 mi away.

Topography around Morton

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

Within 2 miles, the terrain around Morton has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 712 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 456 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 597 ft.

The land around Morton is covered by cropland (47%) and artificial surfaces (25%) within 2 miles, cropland (54%) and trees (26%) within 10 miles, and cropland (76%) within 50 miles.

2 miles
102 ft
10 miles
456 ft
50 miles
597 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Washington 6.8 mi · East Peoria 7.5 mi · Peoria 8.7 mi · North Peoria 9.9 mi · Pekin 9.9 mi · Normal 25 mi · Bloomington 26 mi · Galesburg 53 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 Morton (40.6128°, -89.4593°, elevation 715 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.