Immokalee weather in September

In September, Immokalee sees average daytime highs of 89°F and overnight lows near 74°F, with 6.7 in of rain across 20.7 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 20% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Immokalee's 10th-clearest and 9th-windiest month. For the whole year in context, see Immokalee's year-round climate.

Daytime high
89°
5th warmest
Overnight low
74°
10th coldest
Rainfall
6.7 in
20.7 wet days
Daylight
12 h 12 min
6:15 AM – 6:25 PM
Cloud cover
69%
10th clearest
Wind
5 mph
9th windiest
Solar energy
4.93 kWh/m²
Travel score
3.1
out of 10

Immokalee is city in Collier County, Florida, United States.

Density
401/km²
people per km²

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 89°F through the month.

A typical September day in Immokalee reaches about 89°F in the afternoon and slips back to 74°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 92°F. Set against its neighbours, September runs about 2°F cooler than August and about 3°F warmer than October.

70°80°90°151015202530
Avg high (°F)Avg low (°F)
19075
29075
39075
49075
59075
68975
78975
88975
98975
108974
118974
128974
138974
148974
158974
168974
178974
188974
198974
208974
218974
228974
238874
248874
258874
268873
278873
288873
298873
308873

How September really feels in Immokalee

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.

Immokalee weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan76° / 55°1.75.310.57.9
Feb78° / 56°1.45.211.17.7
Mar82° / 60°1.85.211.87.0
Apr86° / 65°2.26.712.65.4
May90° / 70°3.410.513.34.0
Jun90° / 74°8.121.613.62.8
Jul91° / 75°7.923.513.52.5
Aug91° / 75°7.624.512.92.5
Sep89° / 74°6.720.712.23.1
Oct86° / 70°3.19.911.45.1
Nov81° / 62°1.44.710.77.3
Dec77° / 58°1.34.510.47.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23070
33070
43268
53268
63367
73367
83466
93565
103664
113763
123862
133961
144060
154060
164060
174060
184060
194060
204060
214060
224060
234060
244159
254159
264159
274159
284159
294357
304456

Chance of precipitation in September

Any precipitation

Immokalee gets around 6.7 in of rain over 20.7 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 68% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
177
276
376
476
575
675
774
874
973
1072
1172
1271
1370
1469
1569
1668
1767
1867
1966
2066
2165
2265
2364
2463
2562
2661
2760
2859
2957
3056

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10037324
20037423
30047323
40047422
50047521
60047521
70057520
80157519
90157519
100157519
110167518
120167518
130167518
140177418
150177517
160187417
170187417
180197218
190197218
2001107118
2102107018
2202117017
2302117017
2402126917
2503126916
2613136716
2713146715
2814146615
2914156614
3015166414

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
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 6:09 AM to 6:22 AM, and sunset from 6:42 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:096:42
212.56:096:41
312.56:106:40
412.56:106:38
512.46:116:37
612.46:116:36
712.46:126:35
812.46:126:34
912.36:126:33
1012.36:136:32
1112.36:136:30
1212.36:146:29
1312.26:146:28
1412.26:156:27
1512.26:156:26
1612.26:156:25
1712.16:166:23
1812.16:166:22
1912.16:176:21
2012.06:176:20
2112.06:186:19
2212.06:186:18
2312.06:186:16
2411.96:196:15
2511.96:196:14
2611.96:206:13
2711.96:206:12
2811.86:216:11
2911.86:216:10
3011.86:226:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.93 kWh/m².

For context, solar energy here swings from a low near 3.35 kWh/m² to a high of 6.43 kWh/m² in May across the year — September's 4.93 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Immokalee

In seasonPeak

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

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

Immokalee's monsoon runs June–September, when most of the year's rain falls.

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

Is September a good time to visit Immokalee?

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

3.1
Sightseeing
9th-best month of the year
4.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Immokalee.

What to pack for Immokalee in September

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

In September, Immokalee sees daytime highs around 89°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Immokalee in September

The nearest coast averages about 85°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 29 mi away) is warmest in August at about 86°F and coldest in January near 68°F.

It's comfortable for a long swim from Feb 11 to Jan 16 — about 11.2 months when the water holds above 68°F.

70°80°90°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan68Cool
Feb68Refreshing
Mar71Refreshing
Apr76Warm
May80Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep85Tropical
Oct81Warm
Nov75Warm
Dec71Refreshing

UV index in Immokalee in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Immokalee peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 16UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr10Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug10Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Immokalee 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 Immokalee is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Good
Apr10Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Immokalee?

Immokalee sits at 26.4°N, 81.4°W, 33 ft above sea level, in United States. The nearest listed city is Lehigh Acres, 19 mi away.

Topography around Immokalee

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

Within 2 miles, the terrain around Immokalee has only modest variations in elevation — a maximum elevation change of 72 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 92 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 230 ft.

The land around Immokalee is covered by trees (41%) and grassland (36%) within 2 miles, trees (46%) and grassland (33%) within 10 miles, and trees (27%), water (21%) and wetland (20%) within 50 miles.

2 miles
72 ft
10 miles
92 ft
50 miles
230 ft
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Lehigh Acres 19 mi · Bonita Springs 23 mi · Golden Gate 24 mi · San Carlos Park 24 mi · Estero 24 mi · East Naples 29 mi · Fort Myers 30 mi · Naples 30 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 Immokalee (26.4187°, -81.4173°, elevation 33 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).