Altamonte Springs in Fall
In fall (September, October and November), Altamonte Springs sees average daytime highs around 82°F and overnight lows near 66°F, with 9.2 in of rain over about 34 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 88°F in early September to 74°F by late November. The sky is clear or mostly clear about 32% of the time across fall, and the air most often feels oppressive.
Fall is Altamonte Springs's 3rd-best season to visit on our travel score. For the whole year in context, see Altamonte Springs's year-round climate.
- Avg daytime high
- 82°F
- 2nd-warmest season
- Avg overnight low
- 66°F
- Rainfall
- 9.2 in
- 34 wet days
- Avg wind
- 6 mph
- Travel score
- 5.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Altamonte Springs in Fall
Over the season highs ease from about 88°F in early September to 74°F by late November.
A typical fall day in Altamonte Springs reaches about 82°F and drops to 66°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Altamonte Springs
Once humidity and wind are folded in, fall brings about 31 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.
Altamonte Springs 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 | 69° / 50° | 2.1 | 6.4 | 10.4 | 7.1 |
| Feb | 72° / 53° | 2.0 | 6.6 | 11 | 7.2 |
| Mar | 76° / 57° | 2.3 | 6.3 | 11.8 | 7.6 |
| Apr | 81° / 62° | 2.1 | 7.1 | 12.7 | 6.9 |
| May | 86° / 68° | 2.8 | 9.4 | 13.4 | 5.2 |
| Jun | 89° / 73° | 5.8 | 19.9 | 13.8 | 3.3 |
| Jul | 89° / 75° | 5.9 | 21.9 | 13.6 | 2.9 |
| Aug | 89° / 75° | 6.5 | 22.9 | 13 | 2.8 |
| Sep | 87° / 74° | 5.2 | 18.4 | 12.2 | 3.7 |
| Oct | 82° / 67° | 2.7 | 10.5 | 11.3 | 6.1 |
| Nov | 76° / 59° | 1.3 | 5.4 | 10.6 | 7.7 |
| Dec | 71° / 53° | 2.0 | 5.3 | 10.2 | 7.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 32% of the time across fall.
Chance of precipitation in Fall
Altamonte Springs gets around 9.2 in of rain over 34 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early September to 10 h 18 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 4.0 kWh/m².
Hazard calendar for Altamonte Springs
In fall, Altamonte Springs overlaps its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Altamonte Springs sits in the Atlantic hurricane belt; the season peaks August–October.
Altamonte Springs's rainy season runs June–September, when most of the year's rain falls.
Is fall a good time to visit Altamonte Springs?
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 Altamonte Springs for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Altamonte Springs in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Altamonte Springs sees daytime highs around 82°F and nights near 66°F. Pack light clothes and rain gear. Worth having: sun protection. About 34 days see rain.
Sea temperature near Altamonte Springs in Fall
The nearest coast averages about 79°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 44 mi away) is warmest in September at about 82°F and coldest in February near 67°F.
It's comfortable for a long swim from Mar 15 to Jan 17 — about 10.2 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 68 | 67 | 68 | 71 | 76 | 80 | 82 | 82 | 82 | 79 | 74 | 70 |
| Comfort | Refreshing | Cool | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 68 | Refreshing |
| Feb | 67 | Cool |
| Mar | 68 | Refreshing |
| Apr | 71 | Refreshing |
| May | 76 | Warm |
| Jun | 80 | Warm |
| Jul | 82 | Warm |
| Aug | 82 | Warm |
| Sep | 82 | Warm |
| Oct | 79 | Warm |
| Nov | 74 | Refreshing |
| Dec | 70 | Refreshing |
UV index in Altamonte Springs in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Altamonte Springs peaks around July 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 8 | 8 | 9 | 10 | 11 | 10 | 9 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Very high | Extreme | Extreme | Very high | Very high | High | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 7 | High |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Altamonte Springs 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 Altamonte Springs is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 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) | 9 | 11 | 15 | 13 | 13 | 19 | 19 | 16 | 11 | 9 | 8 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 11 | Good |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 13 | Moderate |
| Jun | 19 | Moderate |
| Jul | 19 | Moderate |
| Aug | 16 | Moderate |
| Sep | 11 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Altamonte Springs?
Altamonte Springs sits at 28.7°N, 81.4°W, 85 ft above sea level, in United States. The nearest listed city is Maitland, 2.5 mi away.
Topography around Altamonte Springs
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Altamonte Springs.
Within 2 miles, the terrain around Altamonte Springs has only modest variations in elevation — a maximum elevation change of 112 ft around an average of 92 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 190 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 322 ft.
The land around Altamonte Springs is covered by trees (51%) and artificial surfaces (35%) within 2 miles, trees (58%) and artificial surfaces (26%) within 10 miles, and trees (57%) 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 Altamonte Springs (28.6611°, -81.3656°, elevation 85 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.