Stillwater in Fall
In fall (September, October and November), Stillwater sees average daytime highs around 72°F and overnight lows near 52°F, with 8.3 in of precipitation over about 21 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 88°F in early September to 55°F by late November. The sky is clear or mostly clear about 54% of the time across fall, and the air most often feels dry.
Fall is Stillwater's best season of the year to visit on our travel score. For the whole year in context, see Stillwater's year-round climate.
- Avg daytime high
- 72°F
- 2nd-warmest season
- Avg overnight low
- 52°F
- Precipitation
- 8.3 in
- 21 wet days
- Avg wind
- 8 mph
- Travel score
- 6.4
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Stillwater in Fall
Over the season highs ease from about 88°F in early September to 55°F by late November.
A typical fall day in Stillwater reaches about 72°F and drops to 52°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Stillwater
Once humidity and wind are folded in, fall brings about 2 days that feel above 90°F and 7 that feel at or below 32°F.
Stillwater sees both extremes in fall: hot, sticky afternoons and freezing nights both show up.
Stillwater 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 | 48° / 30° | 1.5 | 5.3 | 1.3 | 9.8 | 2.1 |
| Feb | 53° / 33° | 1.8 | 5.7 | 1.3 | 10.6 | 3.4 |
| Mar | 62° / 42° | 2.9 | 8.1 | 0.7 | 11.7 | 5.6 |
| Apr | 71° / 50° | 4.1 | 9 | 0 | 12.9 | 6.8 |
| May | 79° / 60° | 4.8 | 11.2 | 0 | 13.9 | 6.5 |
| Jun | 88° / 69° | 4.1 | 9.9 | 0 | 14.4 | 4.6 |
| Jul | 93° / 73° | 2.9 | 7.4 | 0 | 14.2 | 3.5 |
| Aug | 91° / 72° | 2.6 | 6.9 | 0 | 13.4 | 3.9 |
| Sep | 83° / 64° | 3.1 | 7.3 | 0 | 12.2 | 6.3 |
| Oct | 72° / 52° | 3.2 | 7.6 | 0.1 | 11.1 | 7.4 |
| Nov | 60° / 41° | 2.0 | 5.7 | 0.4 | 10.1 | 5.5 |
| Dec | 50° / 32° | 1.8 | 5.4 | 1.3 | 9.6 | 2.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 54% of the time across fall.
Chance of precipitation in Fall
Stillwater gets around 8.3 in of rain and snow over 21 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 48 min in early September to 9 h 42 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 3.9 kWh/m².
Is fall a good time to visit Stillwater?
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 Stillwater for sightseeing.
What to pack for Stillwater in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Stillwater sees daytime highs around 72°F and nights near 52°F. Pack light clothes. Worth having: a warm layer and sun protection. About 21 days see rain.
UV index in Stillwater 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 Stillwater peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 9 | 8 | 10 | 10 | 10 | 7 | 5 | 4 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | High |
| Apr | 9 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Stillwater 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 Stillwater is worst in July — around 15 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 5 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) | 6 | 8 | 12 | 13 | 11 | 12 | 15 | 13 | 9 | 5 | 5 | 5 |
| Level | Good | Good | Good | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 8 | Good |
| Mar | 12 | Good |
| Apr | 13 | Moderate |
| May | 11 | Good |
| Jun | 12 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 9 | Good |
| Oct | 5 | Good |
| Nov | 5 | Good |
| Dec | 5 | Good |
Where is Stillwater?
Stillwater sits at 36.1°N, 97.1°W, 896 ft above sea level, in United States. The nearest listed city is Edmond, 40 mi away.
Topography around Stillwater
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Stillwater.
Within 2 miles, the terrain around Stillwater has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 902 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 719 ft.
The land around Stillwater is covered by trees (35%), artificial surfaces (33%) and grassland (24%) within 2 miles, grassland (50%) and trees (39%) within 10 miles, and grassland (47%) and trees (32%) 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 Stillwater (36.1156°, -97.0584°, elevation 896 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.