Haines City weather in September

In September, Haines City sees average daytime highs of 88°F and overnight lows near 74°F, with 5.5 in of rain across 18.4 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 88°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 Haines City's 10th-clearest and 9th-windiest month. For the whole year in context, see Haines City's year-round climate.

Daytime high
88°
4th warmest
Overnight low
74°
10th coldest
Rainfall
5.5 in
18.4 wet days
Daylight
12 h 12 min
6:16 AM – 6:26 PM
Cloud cover
66%
10th clearest
Wind
6 mph
9th windiest
Solar energy
4.75 kWh/m²
Travel score
3.6
out of 10

Haines City is city in Polk County, Florida, United States of America.

Density
447/km²
people per km²
Founded
1885

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 88°F through the month.

A typical September day in Haines City reaches about 88°F in the afternoon and slips back to 74°F overnight — a 13°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 4°F warmer than October.

70°80°90°151015202530
Avg high (°F)Avg low (°F)
18975
28975
38975
48975
58975
68975
78875
88875
98875
108875
118875
128875
138875
148874
158874
168874
178874
188874
198774
208774
218774
228774
238774
248773
258773
268773
278773
288773
298673
308673

How September really feels in Haines City

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.

Haines City 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
Jan71° / 52°2.15.410.47.4
Feb74° / 54°1.86.1117.6
Mar78° / 58°2.25.611.87.6
Apr83° / 64°2.06.212.76.6
May87° / 69°2.78.413.44.9
Jun89° / 74°6.319.413.73.2
Jul90° / 76°6.322.613.62.8
Aug90° / 76°6.423.2132.7
Sep88° / 74°5.518.412.23.6
Oct83° / 68°2.4911.36.0
Nov77° / 60°1.34.610.67.8
Dec73° / 55°1.64.810.27.7

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 18% 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 (%)
13268
23268
33268
43367
53367
63466
73565
83565
93664
103763
113862
123862
134060
144159
154159
164258
174258
184357
194456
204456
214456
224654
234555
244753
254753
264753
274654
284753
294753
304753

Chance of precipitation in September

Any precipitation

Haines City gets around 5.5 in of rain over 18.4 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 61% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
170
270
370
469
569
668
768
867
966
1065
1164
1263
1362
1461
1561
1660
1759
1858
1958
2057
2157
2256
2356
2455
2554
2653
2753
2852
2951
3050

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 97% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100057421
200067420
300067519
400067717
500077716
600077716
700077815
800087814
900087913
1000097813
11000107713
12000107812
13000117712
14000127612
15001127512
16001137412
17001147312
18001147312
19002157112
20002157112
21003157012
22003166912
23014166811
24014166811
25015176710
2611617669
2711618659
2812718648
2912819638
3012819637

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 6:09 AM to 6:23 AM, and sunset from 6:44 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:096:44
212.66:096:43
312.56:106:42
412.56:106:40
512.56:116:39
612.46:116:38
712.46:116:37
812.46:126:36
912.46:126:34
1012.36:136:33
1112.36:136:32
1212.36:146:31
1312.36:146:29
1412.26:156:28
1512.26:156:27
1612.26:166:26
1712.16:166:25
1812.16:176:23
1912.16:176:22
2012.16:186:21
2112.06:186:20
2212.06:196:18
2312.06:196:17
2411.96:206:16
2511.96:206:15
2611.96:216:13
2711.86:216:12
2811.86:226:11
2911.86:226:10
3011.86:236:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.75 kWh/m².

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 6.29 kWh/m² in May across the year — September's 4.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Haines City

In seasonPeak

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

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

Haines City'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 Haines City?

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
5.3
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Haines City.

What to pack for Haines City in September

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

In September, Haines City sees daytime highs around 88°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Haines City 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 Haines City peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 13UV 11Dec 19UV 4
UV index (midday)Level
Jan5Moderate
Feb7High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Haines City 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 Haines City is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1719 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr11Good
May12Good
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Haines City?

Haines City sits at 28.1°N, 81.6°W, 167 ft above sea level, in United States. The nearest listed city is Winter Haven, 9.3 mi away.

Topography around Haines City

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

Within 2 miles, the terrain around Haines City has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 144 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 371 ft.

The land around Haines City is covered by trees (37%), grassland (28%) and artificial surfaces (27%) within 2 miles, trees (54%) and grassland (23%) within 10 miles, and trees (54%) and grassland (31%) within 50 miles.

2 miles
138 ft
10 miles
190 ft
50 miles
371 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Winter Haven 9.3 mi · Poinciana 9.9 mi · Auburndale 11 mi · Eloise 11 mi · Lake Wales 15 mi · Four Corners 15 mi · Kissimmee 18 mi · Bartow 21 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 Haines City (28.1145°, -81.6201°, elevation 167 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).