West Sacramento in Fall
In fall (September, October and November), West Sacramento sees average daytime highs around 77°F and overnight lows near 53°F, with 3.6 in of rain over about 10 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 90°F in early September to 61°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 West Sacramento's 2nd-best season to visit on our travel score. For the whole year in context, see West Sacramento's year-round climate.
- Avg daytime high
- 77°F
- 2nd-warmest season
- Avg overnight low
- 53°F
- Rainfall
- 3.6 in
- 10 wet days
- Avg wind
- 5 mph
- Travel score
- 7.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in West Sacramento in Fall
Over the season highs ease from about 90°F in early September to 61°F by late November.
A typical fall day in West Sacramento 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 West Sacramento
Once humidity and wind are folded in, fall brings about 3 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.
West Sacramento 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° / 42° | 4.7 | 9.8 | 9.6 | 4.3 |
| Feb | 62° / 44° | 4.3 | 9.3 | 10.5 | 5.3 |
| Mar | 67° / 47° | 3.6 | 9.1 | 11.7 | 6.4 |
| Apr | 73° / 51° | 1.6 | 5.4 | 13 | 7.6 |
| May | 81° / 55° | 0.9 | 3.7 | 14.1 | 7.7 |
| Jun | 88° / 60° | 0.2 | 1 | 14.6 | 5.9 |
| Jul | 91° / 61° | 0.0 | 0.1 | 14.4 | 5.0 |
| Aug | 91° / 61° | 0.1 | 0.1 | 13.5 | 5.2 |
| Sep | 87° / 59° | 0.1 | 0.5 | 12.3 | 6.3 |
| Oct | 78° / 53° | 1.2 | 3.1 | 11 | 8.3 |
| Nov | 65° / 46° | 2.3 | 6.5 | 9.9 | 6.6 |
| Dec | 57° / 41° | 4.4 | 9.6 | 9.4 | 4.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 67% of the time across fall.
Chance of precipitation in Fall
West Sacramento gets around 3.6 in of rain over 10 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 5 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 30 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 4.3 kWh/m².
Hazard calendar for West Sacramento
In fall, West Sacramento overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
West Sacramento's rainy season runs November–March, when most of the year's rain falls.
Is fall a good time to visit West Sacramento?
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 West Sacramento for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for West Sacramento in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, West Sacramento sees daytime highs around 77°F and nights near 53°F. Pack light clothes. Worth having: a warm layer and sun protection. About 10 days see rain.
UV index in West Sacramento in Fall
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 West Sacramento peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 8 | 10 | 10 | 9 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in West Sacramento 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 West Sacramento is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 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) | 15 | 14 | 15 | 12 | 9 | 8 | 11 | 27 | 23 | 17 | 19 | 14 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 15 | Moderate |
| Apr | 12 | Good |
| May | 9 | Good |
| Jun | 8 | Good |
| Jul | 11 | Good |
| Aug | 27 | Moderate |
| Sep | 23 | Moderate |
| Oct | 17 | Moderate |
| Nov | 19 | Moderate |
| Dec | 14 | Moderate |
Where is West Sacramento?
West Sacramento sits at 38.6°N, 121.5°W, 20 ft above sea level, in United States. The nearest listed city is Sacramento, 1.9 mi away.
Topography around West Sacramento
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of West Sacramento.
Within 2 miles, the terrain around West Sacramento has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 144 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,557 ft.
The land around West Sacramento is covered by artificial surfaces (53%) and trees (25%) within 2 miles, artificial surfaces (31%), cropland (29%) and grassland (20%) within 10 miles, and grassland (33%), trees (31%) and cropland (24%) 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 West Sacramento (38.5805°, -121.5302°, elevation 20 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.