Deltona in Fall
In fall (September, October and November), Deltona sees average daytime highs around 82°F and overnight lows near 66°F, with 10.2 in of rain over about 36 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 30% of the time across fall, and the air most often feels oppressive.
Fall is Deltona's 3rd-best season to visit on our travel score. For the whole year in context, see Deltona's year-round climate.
- Avg daytime high
- 82°F
- 2nd-warmest season
- Avg overnight low
- 66°F
- Rainfall
- 10.2 in
- 36 wet days
- Avg wind
- 6 mph
- Travel score
- 5.7
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Deltona 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 Deltona 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 Deltona
Once humidity and wind are folded in, fall brings about 30 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.
Deltona 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° | 2.2 | 6.4 | 10.4 | 7.0 |
| Feb | 72° / 52° | 2.1 | 7 | 11 | 7.1 |
| Mar | 76° / 56° | 2.4 | 6.7 | 11.8 | 7.5 |
| Apr | 81° / 62° | 2.4 | 7.4 | 12.7 | 6.8 |
| May | 86° / 68° | 3.2 | 10.1 | 13.4 | 5.1 |
| Jun | 89° / 73° | 6.4 | 20.4 | 13.8 | 3.1 |
| Jul | 90° / 75° | 6.7 | 23.7 | 13.7 | 2.6 |
| Aug | 90° / 75° | 7.3 | 24 | 13 | 2.7 |
| Sep | 87° / 73° | 5.8 | 19.2 | 12.2 | 3.6 |
| Oct | 82° / 67° | 3.0 | 10.5 | 11.3 | 6.1 |
| Nov | 76° / 58° | 1.4 | 6.3 | 10.6 | 7.5 |
| Dec | 71° / 53° | 2.1 | 6.1 | 10.2 | 7.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 30% of the time across fall.
Chance of precipitation in Fall
Deltona gets around 10.2 in of rain over 36 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 Deltona
In fall, Deltona overlaps its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Deltona sits in the Atlantic hurricane belt; the season peaks August–October.
Deltona's rainy season runs June–September, when most of the year's rain falls.
Is fall a good time to visit Deltona?
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 Deltona for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Deltona in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Deltona sees daytime highs around 82°F and nights near 66°F. Pack light clothes and rain gear. Worth having: sun protection. About 36 days see rain.
Sea temperature near Deltona 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 28 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 Deltona 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 Deltona 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 Deltona 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 Deltona is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.9× 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 | 17 | 10 | 11 | 17 | 16 | 15 | 10 | 7 | 7 | 6 |
| Level | Good | Good | Moderate | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 17 | Moderate |
| Apr | 10 | Good |
| May | 11 | Good |
| Jun | 17 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 10 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Deltona?
Deltona sits at 28.9°N, 81.3°W, 30 ft above sea level, in United States. The nearest listed city is DeBary, 3.1 mi away.
Topography around Deltona
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Deltona.
Within 2 miles, the terrain around Deltona has only modest variations in elevation — a maximum elevation change of 108 ft around an average of 62 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 322 ft.
The land around Deltona is covered by trees (50%) and artificial surfaces (35%) within 2 miles, trees (66%) within 10 miles, and trees (53%) and water (26%) 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 Deltona (28.9005°, -81.2637°, elevation 30 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.