Post Falls in Fall
In fall (September, October and November), Post Falls sees average daytime highs around 57°F and overnight lows near 40°F, with 7.4 in of precipitation over about 28 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 77°F in early September to 37°F by late November. The sky is clear or mostly clear about 34% of the time across fall, and the air most often feels dry.
Fall is Post Falls's 2nd-best season to visit on our travel score. For the whole year in context, see Post Falls's year-round climate.
- Avg daytime high
- 57°F
- 2nd-warmest season
- Avg overnight low
- 40°F
- Precipitation
- 7.4 in
- 28 wet days
- Avg wind
- 5 mph
- Travel score
- 4.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Post Falls in Fall
Over the season highs ease from about 77°F in early September to 37°F by late November.
A typical fall day in Post Falls reaches about 57°F and drops to 40°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Post Falls
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 37 that feel at or below 32°F.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Post Falls 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 | 35° / 25° | 3.6 | 14.3 | 10.1 | 8.7 | 0.0 |
| Feb | 39° / 26° | 2.5 | 11.4 | 7.6 | 9.9 | 0.0 |
| Mar | 47° / 31° | 3.2 | 13.8 | 5.9 | 11.6 | 1.3 |
| Apr | 56° / 37° | 2.7 | 12.4 | 1.6 | 13.3 | 3.5 |
| May | 65° / 44° | 2.3 | 9.6 | 0.1 | 14.9 | 5.9 |
| Jun | 72° / 50° | 1.7 | 7.6 | 0 | 15.7 | 7.0 |
| Jul | 83° / 57° | 0.7 | 3.4 | 0 | 15.4 | 7.3 |
| Aug | 82° / 56° | 0.7 | 2.9 | 0 | 14.1 | 7.4 |
| Sep | 72° / 49° | 1.1 | 5 | 0.1 | 12.4 | 7.7 |
| Oct | 57° / 39° | 2.5 | 9.2 | 0.5 | 10.6 | 4.2 |
| Nov | 42° / 31° | 3.8 | 14 | 6.1 | 9.1 | 0.5 |
| Dec | 34° / 26° | 3.8 | 13.6 | 10.2 | 8.3 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 34% of the time across fall.
Chance of precipitation in Fall
Post Falls gets around 7.4 in of rain and snow over 28 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 13 h 12 min in early September to 8 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 2.9 kWh/m².
Is fall a good time to visit Post Falls?
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 Post Falls for sightseeing.
What to pack for Post Falls in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Post Falls sees daytime highs around 57°F and nights near 40°F. Pack a warm layer and rain gear. Worth having: light clothes, a heavy coat and sun protection. About 28 days see rain.
UV index in Post Falls in Fall
Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Post Falls peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 9 | 6 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 9 | Very high |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Post Falls 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 Post Falls is worst in August — around 30 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (December, 6 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) | 7 | 8 | 10 | 11 | 11 | 10 | 13 | 30 | 20 | 11 | 11 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 11 | Good |
| Jun | 10 | Good |
| Jul | 13 | Moderate |
| Aug | 30 | Moderate |
| Sep | 20 | Moderate |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 6 | Good |
Where is Post Falls?
Post Falls sits at 47.7°N, 117.0°W, 2,182 ft above sea level, in United States. The nearest listed city is Coeur d'Alene, 8.7 mi away.
Topography around Post Falls
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Post Falls.
Within 2 miles, the terrain around Post Falls has significant variations in elevation — a maximum elevation change of 876 ft around an average of 2,198 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,261 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,318 ft.
The land around Post Falls is covered by trees (33%), artificial surfaces (32%) and grassland (26%) within 2 miles, trees (56%) and grassland (23%) within 10 miles, and trees (63%) 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 Post Falls (47.718°, -116.9516°, elevation 2,182 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.