Apopka weather in September

In September, Apopka sees average daytime highs of 87°F and overnight lows near 73°F, with 5.2 in of rain across 17.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 23% 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 Apopka's 9th-clearest and 9th-windiest month. For the whole year in context, see Apopka's year-round climate.

Daytime high
87°
4th warmest
Overnight low
73°
10th coldest
Rainfall
5.2 in
17.4 wet days
Daylight
12 h 12 min
6:15 AM – 6:25 PM
Cloud cover
66%
9th clearest
Wind
6 mph
9th windiest
Solar energy
4.67 kWh/m²
Travel score
3.8
out of 10

Apopka is city in Orange County, Florida, United States.

Density
551/km²
people per km²
Founded
1882

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 87°F through the month.

A typical September day in Apopka 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 2°F cooler than August and about 5°F warmer than October.

60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18975
28975
38875
48875
58874
68874
78874
88874
98874
108874
118874
128874
138874
148874
158774
168774
178773
188773
198773
208773
218773
228773
238773
248773
258673
268672
278672
288672
298672
308571

How September really feels in Apopka

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.

Apopka 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°2.26.410.47.1
Feb72° / 53°2.06.3117.3
Mar76° / 57°2.36.611.87.6
Apr81° / 62°2.26.912.76.9
May86° / 68°2.6913.45.2
Jun89° / 73°5.719.213.83.3
Jul90° / 75°5.621.913.62.8
Aug90° / 75°6.222.9132.8
Sep87° / 73°5.217.412.23.8
Oct82° / 67°2.69.411.36.2
Nov76° / 58°1.35.310.67.7
Dec71° / 53°2.15.210.27.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23466
33466
43565
53664
63664
73763
83763
93862
103862
114060
124159
134159
144357
154357
164357
174555
184555
194555
204555
214555
224753
234753
244654
254753
264753
274654
284753
294753
304753

Chance of precipitation in September

Any precipitation

Apopka gets around 5.2 in of rain over 17.4 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 58% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
168
268
367
466
566
665
764
864
963
1062
1161
1260
1359
1458
1558
1657
1756
1855
1955
2054
2154
2253
2353
2452
2552
2652
2751
2851
2950
3049

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 67% 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 (%)
100096823
2000106822
3000106921
4000116920
5001126918
6001127017
7001137016
8001137115
9001147114
10001157113
11001157113
12001167112
13001177012
14001177111
15002186911
16002186911
17002196811
18002196811
19003196810
20003196810
21014196610
22014206510
2301520659
2402520649
2512620629
2612620638
2713720618
2813721608
2914821588
3014821597

Wind in September

Winds average 6 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
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
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 6:08 AM to 6:23 AM, and sunset from 6:44 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:086:44
212.66:086:43
312.56:096:41
412.56:096:40
512.56:106:39
612.56:106:38
712.46:116:37
812.46:116:35
912.46:126:34
1012.36:126:33
1112.36:136:32
1212.36:136:30
1312.36:146:29
1412.26:146:28
1512.26:156:27
1612.26:156:25
1712.16:166:24
1812.16:166:23
1912.16:176:22
2012.16:176:20
2112.06:186:19
2212.06:186:18
2312.06:196:17
2411.96:196:15
2511.96:206:14
2611.96:206:13
2711.86:216:12
2811.86:226:11
2911.86:226:09
3011.86:236:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 2.97 kWh/m² to a high of 6.26 kWh/m² in May across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Apopka

In seasonPeak

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

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

Apopka'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 Apopka?

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

3.8
Sightseeing
9th-best month of the year
5.4
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Apopka.

What to pack for Apopka in September

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

In September, Apopka sees daytime highs around 87°F and nights near 73°F. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Apopka 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 Apopka 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 15UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar8Very high
Apr8Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in Apopka 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 Apopka is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1619 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar12Moderate
Apr12Moderate
May12Good
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Apopka?

Apopka sits at 28.7°N, 81.5°W, 131 ft above sea level, in United States. The nearest listed city is Wekiwa Springs, 5.6 mi away.

Topography around Apopka

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

Within 2 miles, the terrain around Apopka has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 115 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 200 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 335 ft.

The land around Apopka is covered by trees (57%) and artificial surfaces (26%) within 2 miles, trees (54%) within 10 miles, and trees (62%) within 50 miles.

2 miles
141 ft
10 miles
200 ft
50 miles
335 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Wekiwa Springs 5.6 mi · Ocoee 7.5 mi · Winter Garden 8.7 mi · Pine Hills 8.7 mi · Altamonte Springs 8.7 mi · Maitland 9.3 mi · Casselberry 11 mi · Winter Park 12 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 Apopka (28.6762°, -81.5119°, elevation 131 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). 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).