Carlsbad in Fall
In fall (September, October and November), Carlsbad sees average daytime highs around 77°F and overnight lows near 53°F, with 3.5 in of precipitation over about 12 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 90°F in early September to 62°F by late November. The sky is clear or mostly clear about 67% of the time across fall, and the air most often feels dry.
Fall is Carlsbad's 2nd-best season to visit on our travel score. For the whole year in context, see Carlsbad's year-round climate.
- Avg daytime high
- 77°F
- 3rd-warmest season
- Avg overnight low
- 53°F
- Precipitation
- 3.5 in
- 12 wet days
- Avg wind
- 8 mph
- Travel score
- 7.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Carlsbad in Fall
Over the season highs ease from about 90°F in early September to 62°F by late November.
A typical fall day in Carlsbad reaches about 77°F and drops to 53°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Carlsbad
Once humidity and wind are folded in, fall brings about 3 days that feel above 90°F and 3 that feel at or below 32°F.
Carlsbad sees both extremes in fall: hot, sticky afternoons and freezing nights both show up.
Carlsbad 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 58° / 33° | 0.6 | 2.6 | 0.9 | 10.1 | 5.2 |
| Feb | 63° / 38° | 0.6 | 2.8 | 0.7 | 10.8 | 6.8 |
| Mar | 71° / 44° | 0.7 | 3 | 0.1 | 11.8 | 8.1 |
| Apr | 79° / 51° | 0.7 | 2 | 0 | 12.8 | 8.3 |
| May | 88° / 61° | 1.1 | 4.1 | 0 | 13.6 | 5.5 |
| Jun | 95° / 69° | 0.7 | 4.1 | 0 | 14.1 | 2.9 |
| Jul | 95° / 72° | 1.2 | 5.3 | 0 | 13.9 | 2.8 |
| Aug | 93° / 71° | 1.2 | 6.2 | 0 | 13.2 | 3.5 |
| Sep | 87° / 64° | 1.6 | 5.2 | 0 | 12.2 | 5.7 |
| Oct | 77° / 53° | 1.2 | 4.3 | 0.1 | 11.2 | 8.1 |
| Nov | 66° / 42° | 0.7 | 2.8 | 0.4 | 10.3 | 7.5 |
| Dec | 58° / 34° | 0.7 | 2.7 | 0.9 | 9.9 | 5.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 67% of the time across fall.
Chance of precipitation in Fall
Carlsbad gets around 3.5 in of rain and snow over 12 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 8 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 hours 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 Carlsbad?
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 one of the better times to visit Carlsbad for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Carlsbad in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Carlsbad sees daytime highs around 77°F and nights near 53°F. Pack light clothes. Worth having: a warm layer and sun protection. About 12 days see rain.
UV index in Carlsbad in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Carlsbad peaks around June 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 7 | 10 | 10 | 12 | 12 | 11 | 10 | 7 | 5 | 3 |
| Level | Moderate | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | High |
| Mar | 7 | Very high |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Carlsbad in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Carlsbad is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 12 | 11 | 9 | 11 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 14 | Moderate |
| May | 14 | Moderate |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 12 | Moderate |
| Sep | 11 | Good |
| Oct | 9 | Good |
| Nov | 11 | Good |
| Dec | 13 | Moderate |
Where is Carlsbad?
Carlsbad sits at 32.4°N, 104.2°W, 3,100 ft above sea level, in United States. The nearest listed city is Hobbs, 66 mi away.
Topography around Carlsbad
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Carlsbad.
Within 2 miles, the terrain around Carlsbad has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 3,123 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 991 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,561 ft.
The land around Carlsbad is covered by artificial surfaces (39%) and shrubs (25%) within 2 miles, grassland (58%) and shrubs (24%) within 10 miles, and grassland (68%) and shrubs (21%) 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 Carlsbad (32.4207°, -104.2288°, elevation 3,100 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.