Fond du Lac in Fall
In fall (September, October and November), Fond du Lac sees average daytime highs around 57°F and overnight lows near 42°F, with 7.8 in of precipitation over about 27 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 75°F in early September to 37°F by late November. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels dry.
Fall is Fond du Lac's 2nd-best season to visit on our travel score. For the whole year in context, see Fond du Lac's year-round climate.
- Avg daytime high
- 57°F
- 2nd-warmest season
- Avg overnight low
- 42°F
- Precipitation
- 7.8 in
- 27 wet days
- Avg wind
- 9 mph
- Travel score
- 3.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Fond du Lac in Fall
Over the season highs ease from about 75°F in early September to 37°F by late November.
A typical fall day in Fond du Lac reaches about 57°F and drops to 42°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Fond du Lac
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 36 that feel at or below 32°F.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Fond du Lac 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 | 26° / 13° | 1.5 | 8 | 7 | 9.1 | 0.0 |
| Feb | 29° / 15° | 1.5 | 6.6 | 5.7 | 10.2 | 0.0 |
| Mar | 40° / 25° | 2.3 | 9 | 4.6 | 11.6 | 0.4 |
| Apr | 53° / 37° | 3.6 | 11.6 | 2.3 | 13.2 | 3.0 |
| May | 65° / 48° | 3.6 | 11.3 | 0.1 | 14.5 | 5.7 |
| Jun | 75° / 59° | 3.9 | 11.1 | 0 | 15.2 | 6.6 |
| Jul | 79° / 63° | 3.2 | 10.1 | 0 | 14.9 | 6.7 |
| Aug | 77° / 61° | 3.5 | 10.4 | 0 | 13.8 | 6.9 |
| Sep | 70° / 53° | 2.9 | 9.2 | 0 | 12.3 | 6.7 |
| Oct | 57° / 42° | 2.8 | 9.6 | 0.3 | 10.8 | 4.1 |
| Nov | 43° / 30° | 2.0 | 8.1 | 2.4 | 9.5 | 0.7 |
| Dec | 31° / 19° | 1.8 | 7 | 5.8 | 8.8 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 29% of the time across fall.
Chance of precipitation in Fall
Fond du Lac gets around 7.8 in of rain and snow over 27 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 9 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 06 min in early September to 9 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 2.9 kWh/m².
Is fall a good time to visit Fond du Lac?
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 weaker month for outdoor sightseeing in Fond du Lac.
What to pack for Fond du Lac in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Fond du Lac sees daytime highs around 57°F and nights near 42°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 27 days see rain.
Sea temperature near Fond du Lac in Fall
The nearest coast averages about 56°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 mi away) is warmest in August at about 70°F and coldest in March near 36°F.
It's comfortable for a long swim from Jul 31 to Aug 28 — about 1 month when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 36 | 38 | 42 | 54 | 66 | 70 | 65 | 55 | 46 | 41 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 36 | Bracing |
| Apr | 38 | Bracing |
| May | 42 | Bracing |
| Jun | 54 | Bracing |
| Jul | 66 | Cool |
| Aug | 70 | Refreshing |
| Sep | 65 | Cool |
| Oct | 55 | Bracing |
| Nov | 46 | Bracing |
| Dec | 41 | Bracing |
UV index in Fond du Lac in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Fond du Lac peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 6 | 8 | 9 | 8 | 7 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Fond du Lac 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 Fond du Lac is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 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) | 10 | 12 | 13 | 12 | 13 | 14 | 15 | 14 | 11 | 8 | 8 | 9 |
| Level | Good | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is Fond du Lac?
Fond du Lac sits at 43.8°N, 88.4°W, 761 ft above sea level, in United States. The nearest listed city is Oshkosh, 18 mi away.
Topography around Fond du Lac
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Fond du Lac.
Within 2 miles, the terrain around Fond du Lac has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 774 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 551 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 764 ft.
The land around Fond du Lac is covered by artificial surfaces (42%), trees (28%) and grassland (22%) within 2 miles, cropland (48%) within 10 miles, and cropland (42%) and trees (25%) 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 Fond du Lac (43.775°, -88.4388°, elevation 761 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.