Boulder City in Fall
In fall (September, October and November), Boulder City sees average daytime highs around 81°F and overnight lows near 61°F, with 1.3 in of rain over about 5 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 99°F in early September to 61°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 Boulder City's 2nd-best season to visit on our travel score. For the whole year in context, see Boulder City's year-round climate.
- Avg daytime high
- 81°F
- 2nd-warmest season
- Avg overnight low
- 61°F
- Rainfall
- 1.3 in
- 5 wet days
- Avg wind
- 4 mph
- Travel score
- 6.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Boulder City in Fall
Over the season highs ease from about 99°F in early September to 61°F by late November.
A typical fall day in Boulder City reaches about 81°F and drops to 61°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Boulder City
Once humidity and wind are folded in, fall brings about 29 days that feel above 90°F and 0 that feel at or below 32°F.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Boulder City 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.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 58° / 41° | 0.9 | 3.6 | 9.8 | 5.1 |
| Feb | 63° / 45° | 1.2 | 4.4 | 10.6 | 6.5 |
| Mar | 71° / 51° | 0.7 | 3.2 | 11.7 | 8.0 |
| Apr | 79° / 57° | 0.3 | 1.6 | 12.9 | 8.3 |
| May | 89° / 66° | 0.1 | 1.1 | 13.9 | 5.5 |
| Jun | 99° / 75° | 0.1 | 0.5 | 14.4 | 1.8 |
| Jul | 104° / 82° | 0.3 | 2.5 | 14.2 | 0.0 |
| Aug | 102° / 81° | 0.4 | 3 | 13.4 | 0.6 |
| Sep | 95° / 73° | 0.3 | 1.8 | 12.2 | 3.4 |
| Oct | 81° / 61° | 0.4 | 1.8 | 11.1 | 7.8 |
| Nov | 67° / 49° | 0.5 | 1.7 | 10.1 | 7.8 |
| Dec | 56° / 41° | 0.8 | 3 | 9.6 | 4.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 75% of the time across fall.
Chance of precipitation in Fall
Boulder City gets around 1.3 in of rain over 5 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 4 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.8 kWh/m².
Is fall a good time to visit Boulder City?
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.
fall is a reasonable time to visit Boulder City for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Boulder City in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Boulder City sees daytime highs around 81°F and nights near 61°F. Pack light clothes and sun protection. About 5 days see rain.
UV index in Boulder City in Fall
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 Boulder City peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 6 | 8 | 11 | 10 | 10 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Where is Boulder City?
Boulder City sits at 36.0°N, 114.8°W, 2,510 ft above sea level, in United States. The nearest listed city is Henderson, 9.3 mi away.
Topography around Boulder City
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Boulder City.
Within 2 miles, the terrain around Boulder City has significant variations in elevation — a maximum elevation change of 1,634 ft around an average of 2,431 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,455 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,315 ft.
The land around Boulder City is covered by bare terrain (55%) and artificial surfaces (27%) within 2 miles, bare terrain (68%) within 10 miles, and bare terrain (59%) and shrubs (26%) within 50 miles.
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
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 Boulder City (35.9786°, -114.8325°, elevation 2,510 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.