Cheyenne in Fall

In fall (September, October and November), Cheyenne sees average daytime highs around 59°F and overnight lows near 37°F, with 3.9 in of precipitation over about 18 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 78°F in early September to 42°F by late November. The sky is clear or mostly clear about 49% of the time across fall, and the air most often feels dry.

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

Avg daytime high
59°F
2nd-warmest season
Avg overnight low
37°F
Precipitation
3.9 in
18 wet days
Avg wind
10 mph
Travel score
4.8
2nd-best season
Months
Sep · Oct · Nov

Temperature in Cheyenne in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 78°F in early September to 42°F by late November.

A typical fall day in Cheyenne reaches about 59°F and drops to 37°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Cheyenne

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 54 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
54
8 feel bitter (≤ 14°F)

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

Cheyenne 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
Jan38° / 21°0.53.93.89.40.0
Feb40° / 21°0.74.84.810.40.1
Mar49° / 27°1.46.65.111.72.1
Apr55° / 32°2.4105.413.13.4
May64° / 42°3.012.31.514.35.3
Jun76° / 51°2.110.2014.96.8
Jul83° / 57°1.69.3014.76.3
Aug81° / 56°1.58.2013.66.9
Sep73° / 47°1.560.412.37.5
Oct59° / 36°1.56.92.710.95.1
Nov47° / 27°0.84.74.49.71.7
Dec38° / 21°0.74.24.59.10.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Cheyenne gets around 3.9 in of rain and snow over 18 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 10 mph across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours 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 4.0 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Cheyenne?

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.

4.8
Sightseeing
2nd-best month of the year
2.1
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Cheyenne for sightseeing.

What to pack for Cheyenne in Fall

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

In fall, Cheyenne sees daytime highs around 59°F and nights near 37°F. Pack a warm layer. Worth having: light clothes, a heavy coat and sun protection. About 18 days see rain.

a warm layerlight clothesa heavy coatsun protection

UV index in Cheyenne in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cheyenne peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 11Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar7High
Apr6High
May8Very high
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Cheyenne 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 Cheyenne is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1415 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep15Moderate
Oct13Moderate
Nov6Good
Dec6Good
Location & terrain

Where is Cheyenne?

Cheyenne sits at 41.1°N, 104.8°W, 6,089 ft above sea level, in United States. The nearest listed city is Fort Collins, 41 mi away.

Topography around Cheyenne

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

Within 2 miles, the terrain around Cheyenne has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 6,099 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 984 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,801 ft.

The land around Cheyenne is covered by artificial surfaces (57%) and grassland (32%) within 2 miles, grassland (90%) within 10 miles, and grassland (83%) within 50 miles.

2 miles
184 ft
10 miles
984 ft
50 miles
5,801 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Fort Collins 41 mi · Laramie 42 mi · Windsor 46 mi · Greeley 50 mi · Loveland 53 mi · Evans 53 mi · Estes Park 64 mi · Longmont 69 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 Cheyenne (41.14°, -104.8203°, elevation 6,089 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.