Sheridan in Fall

In fall (September, October and November), Sheridan sees average daytime highs around 54°F and overnight lows near 32°F, with 6.2 in of precipitation over about 27 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 73°F in early September to 36°F by late November. The sky is clear or mostly clear about 43% of the time across fall, and the air most often feels dry.

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

Avg daytime high
54°F
2nd-warmest season
Avg overnight low
32°F
Precipitation
6.2 in
27 wet days
Avg wind
5 mph
Travel score
3.4
2nd-best season
Months
Sep · Oct · Nov

Temperature in Sheridan in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 73°F in early September to 36°F by late November.

A typical fall day in Sheridan reaches about 54°F and drops to 32°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Sheridan

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 58 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
58
15 feel bitter (≤ 14°F)

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

Sheridan 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
Jan32° / 14°1.17.88.790.0
Feb34° / 15°1.27.78.610.10.0
Mar43° / 22°2.110.710.111.60.6
Apr50° / 29°3.313.510.813.22.0
May58° / 37°3.914.57.114.64.0
Jun69° / 46°3.014.11.515.35.8
Jul78° / 52°2.011.10.1156.8
Aug77° / 51°1.5100.213.97.1
Sep67° / 43°2.29.12.712.36.5
Oct53° / 32°2.69.67.310.73.3
Nov41° / 21°1.48.27.99.40.4
Dec33° / 14°1.07.38.18.70.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Sheridan gets around 6.2 in of rain and snow over 27 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 5 mph across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 06 min in early September to 8 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 3.5 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Sheridan?

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.

3.4
Sightseeing
2nd-best month of the year
1.1
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Sheridan.

What to pack for Sheridan in Fall

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

In fall, Sheridan sees daytime highs around 54°F and nights near 32°F. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 27 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Sheridan 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 Sheridan peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sheridan 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 Sheridan is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1320 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar10Good
Apr10Good
May10Good
Jun8Good
Jul18Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Sheridan?

Sheridan sits at 44.8°N, 107.0°W, 3,743 ft above sea level, in United States. The nearest listed city is Gillette, 80 mi away.

Topography around Sheridan

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

Within 2 miles, the terrain around Sheridan has only modest variations in elevation — a maximum elevation change of 341 ft around an average of 3,839 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,355 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,069 ft.

The land around Sheridan is covered by grassland (46%) and artificial surfaces (30%) within 2 miles, grassland (88%) within 10 miles, and grassland (73%) and trees (21%) within 50 miles.

2 miles
341 ft
10 miles
1,355 ft
50 miles
10,069 ft
treesgrasslandcroplandartificial surfacesbare terrainmoss and lichen
Fall weather nearby: Gillette 80 mi · Billings 101 mi · Casper 137 mi · Rapid City 190 mi · Bozeman 208 mi · Dickinson 247 mi · Rexburg 248 mi · Rock Springs 249 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 Sheridan (44.7972°, -106.9562°, elevation 3,743 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.