Saco in Fall
In fall (September, October and November), Saco sees average daytime highs around 59°F and overnight lows near 45°F, with 11.0 in of precipitation over about 27 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 74°F in early September to 43°F by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels dry.
Fall is Saco's 2nd-best season to visit on our travel score. For the whole year in context, see Saco's year-round climate.
- Avg daytime high
- 59°F
- 2nd-warmest season
- Avg overnight low
- 45°F
- Precipitation
- 11.0 in
- 27 wet days
- Avg wind
- 8 mph
- Travel score
- 4.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Saco in Fall
Over the season highs ease from about 74°F in early September to 43°F by late November.
A typical fall day in Saco reaches about 59°F and drops to 45°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Saco
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 24 that feel at or below 32°F.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Saco 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 | 32° / 19° | 3.3 | 9.4 | 6.6 | 9.1 | 0.0 |
| Feb | 34° / 19° | 3.1 | 8.8 | 6.2 | 10.2 | 0.0 |
| Mar | 41° / 27° | 4.1 | 10.6 | 5.5 | 11.6 | 0.3 |
| Apr | 53° / 38° | 3.8 | 10.1 | 1.6 | 13.2 | 2.9 |
| May | 63° / 47° | 2.9 | 10.1 | 0.1 | 14.5 | 5.3 |
| Jun | 73° / 57° | 3.4 | 10 | 0 | 15.2 | 6.6 |
| Jul | 78° / 64° | 2.9 | 9.2 | 0 | 14.9 | 6.8 |
| Aug | 77° / 62° | 2.9 | 8.4 | 0 | 13.8 | 7.1 |
| Sep | 70° / 55° | 3.2 | 8.2 | 0 | 12.3 | 6.8 |
| Oct | 59° / 45° | 4.3 | 9.7 | 0.2 | 10.8 | 4.6 |
| Nov | 48° / 35° | 3.5 | 9.2 | 1.3 | 9.5 | 1.7 |
| Dec | 38° / 26° | 4.2 | 10.2 | 5.4 | 8.8 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
Saco gets around 11.0 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 8 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours 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 3.0 kWh/m².
Hazard calendar for Saco
In fall, Saco overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Saco sits in the Atlantic hurricane belt; the season peaks August–October.
Is fall a good time to visit Saco?
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 Saco for sightseeing.
What to pack for Saco in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Saco sees daytime highs around 59°F and nights near 45°F. Pack a warm layer. Worth having: rain gear. About 27 days see rain.
Sea temperature near Saco in Fall
The nearest coast averages about 55°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 9 mi away) is warmest in August at about 64°F and coldest in March near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 42 | 39 | 38 | 42 | 48 | 56 | 62 | 64 | 61 | 55 | 49 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 42 | Bracing |
| Feb | 39 | Bracing |
| Mar | 38 | Bracing |
| Apr | 42 | Bracing |
| May | 48 | Bracing |
| Jun | 56 | Bracing |
| Jul | 62 | Cool |
| Aug | 64 | Cool |
| Sep | 61 | Cool |
| Oct | 55 | Bracing |
| Nov | 49 | Bracing |
| Dec | 45 | Bracing |
UV index in Saco 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 Saco peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 4 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | High | Very high | Moderate | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Saco?
Saco sits at 43.5°N, 70.4°W, 66 ft above sea level, in United States. The nearest listed city is Biddeford, 0.6 mi away.
Topography around Saco
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Saco.
Within 2 miles, the terrain around Saco has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 95 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 463 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,933 ft.
The land around Saco is covered by trees (65%) within 2 miles, trees (59%) and water (24%) within 10 miles, and trees (61%) and water (34%) 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 Saco (43.5009°, -70.4428°, elevation 66 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.