DeLand weather in September

In September, DeLand sees average daytime highs of 87°F and overnight lows near 73°F, with 5.8 in of rain across 19.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 88°F in the first days to 85°F by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is DeLand's 9th-clearest and 9th-windiest month. For the whole year in context, see DeLand's year-round climate.

Daytime high
87°
4th warmest
Overnight low
73°
10th coldest
Rainfall
5.8 in
19.2 wet days
Daylight
12 h 12 min
6:14 AM – 6:25 PM
Cloud cover
67%
9th clearest
Wind
5 mph
9th windiest
Solar energy
4.6 kWh/m²
Travel score
3.6
out of 10

DeLand is county seat of Volusia County, Florida, United States.

Density
656/km²
people per km²
Founded
1876

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 88°F in the first days to 85°F by the end.

A typical September day in DeLand reaches about 87°F in the afternoon and slips back to 73°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 91°F. Set against its neighbours, September runs about 3°F cooler than August and about 5°F warmer than October.

60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18974
28974
38874
48874
58874
68874
78874
88874
98874
108874
118874
128873
138773
148773
158773
168773
178773
188773
198773
208773
218773
228773
238672
248672
258672
268672
278672
288571
298571
308571

How September really feels in DeLand

Once humidity and wind are folded in, September averages 30 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
30
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

DeLand weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan69° / 50°2.26.410.47.0
Feb72° / 52°2.17117.1
Mar76° / 56°2.46.711.87.5
Apr81° / 62°2.47.412.76.8
May86° / 68°3.210.113.45.1
Jun89° / 73°6.420.413.83.1
Jul90° / 75°6.723.713.72.6
Aug90° / 75°7.324132.7
Sep87° / 73°5.819.212.23.6
Oct82° / 67°3.010.511.36.1
Nov76° / 58°1.46.310.57.5
Dec71° / 53°2.16.110.27.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33367
43466
53565
63565
73763
83763
93763
103862
113961
124060
134159
144258
154258
164258
174357
184456
194357
204357
214357
224357
234456
244555
254555
264555
274555
284555
294555
304555

Chance of precipitation in September

Any precipitation

DeLand gets around 5.8 in of rain over 19.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
172
272
371
471
570
670
769
869
968
1067
1167
1266
1365
1465
1564
1663
1763
1862
1962
2061
2161
2260
2359
2459
2558
2657
2756
2856
2955
3054

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100196921
200197020
3001107118
4001107217
5001117216
6001117315
7001127314
8001127314
9001137313
10002147212
11002147212
12002157211
13002157211
14002167210
15002177110
16003177010
17003177010
18003186910
19004186810
20004186810
2100419689
2201519669
2301519669
2401520668
2512620638
2612620647
2713721617
2813721617
2913721617
3014822587

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:07 AM to 6:22 AM, and sunset from 6:43 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:076:43
212.66:076:42
312.66:086:41
412.56:086:40
512.56:096:38
612.56:096:37
712.46:106:36
812.46:106:35
912.46:116:33
1012.36:116:32
1112.36:126:31
1212.36:126:30
1312.36:136:28
1412.26:136:27
1512.26:146:26
1612.26:146:25
1712.16:156:23
1812.16:156:22
1912.16:166:21
2012.16:166:20
2112.06:176:18
2212.06:186:17
2312.06:186:16
2411.96:196:15
2511.96:196:13
2611.96:206:12
2711.86:206:11
2811.86:216:10
2911.86:216:08
3011.86:226:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.6 kWh/m².

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 6.21 kWh/m² in May across the year — September's 4.6 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for DeLand

In seasonPeak

In September, DeLand sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

DeLand sits in the Atlantic hurricane belt; the season peaks August–October.

DeLand's rainy season runs June–September, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit DeLand?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.6
Sightseeing
9th-best month of the year
5.2
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in DeLand.

What to pack for DeLand in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, DeLand sees daytime highs around 87°F and nights near 73°F. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near DeLand in September

The nearest coast averages about 82°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 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.

65°70°75°80°85°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan68Refreshing
Feb67Cool
Mar68Refreshing
Apr71Refreshing
May76Warm
Jun80Warm
Jul82Warm
Aug82Warm
Sep82Warm
Oct79Warm
Nov74Refreshing
Dec70Refreshing

UV index in DeLand in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in DeLand peaks around July 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar8Very high
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in DeLand in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in DeLand 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJun 2117 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar17Moderate
Apr10Good
May11Good
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep10Good
Oct7Good
Nov7Good
Dec6Good
Location & terrain

Where is DeLand?

DeLand sits at 29.0°N, 81.3°W, 39 ft above sea level, in United States. The nearest listed city is Deltona, 9.3 mi away.

Topography around DeLand

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of DeLand.

Within 2 miles, the terrain around DeLand has only modest variations in elevation — a maximum elevation change of 131 ft around an average of 79 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 144 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 322 ft.

The land around DeLand is covered by trees (65%) and artificial surfaces (23%) within 2 miles, trees (75%) within 10 miles, and trees (55%) and water (27%) within 50 miles.

2 miles
131 ft
10 miles
144 ft
50 miles
322 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Deltona 9.3 mi · DeBary 9.9 mi · Sanford 16 mi · Lake Mary 19 mi · Port Orange 20 mi · Daytona Beach 21 mi · New Smyrna Beach 23 mi · Winter Springs 23 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 DeLand (29.0283°, -81.3031°, elevation 39 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).