Eustis weather in September

In September, Eustis sees average daytime highs of 88°F and overnight lows near 73°F, with 5.1 in of rain across 17 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 26% 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 Eustis's 9th-clearest and 9th-windiest month. For the whole year in context, see Eustis's year-round climate.

Daytime high
88°
4th warmest
Overnight low
73°
9th coldest
Rainfall
5.1 in
17 wet days
Daylight
12 h 12 min
6:16 AM – 6:26 PM
Cloud cover
64%
9th clearest
Wind
6 mph
9th windiest
Solar energy
4.7 kWh/m²
Travel score
3.8
out of 10

Eustis is city in Lake County, Florida, United States.

Density
640/km²
people per km²
Founded
1883

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 Eustis reaches about 88°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
38975
48975
58975
68874
78874
88874
98874
108874
118874
128874
138874
148874
158874
168874
178874
188873
198773
208773
218773
228773
238773
248773
258772
268772
278672
288672
298672
308671

How September really feels in Eustis

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.

Eustis 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°2.36.610.47.1
Feb72° / 52°1.96117.3
Mar76° / 56°2.46.611.87.6
Apr82° / 62°2.26.712.76.8
May87° / 68°2.58.613.45.1
Jun89° / 74°5.519.413.83.2
Jul90° / 75°5.822.213.72.8
Aug90° / 76°6.222.5132.8
Sep88° / 73°5.11712.23.8
Oct83° / 67°2.38.711.36.2
Nov76° / 58°1.4510.67.8
Dec71° / 53°2.15.310.27.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33961
43961
53961
63961
74060
84159
94159
104258
114357
124456
134456
144456
154654
164753
174753
184753
194753
204852
214852
224852
234951
244951
254951
264951
274951
284951
294951
304951

Chance of precipitation in September

Any precipitation

Eustis gets around 5.1 in of rain over 17 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 56% and peaks near 67% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
167
267
366
465
564
664
763
862
961
1060
1159
1258
1357
1456
1555
1654
1754
1853
1953
2052
2152
2252
2351
2451
2551
2650
2750
2849
2949
3048

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 68% 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 (%)
100087022
200097021
300097120
4000107218
5001107217
6001117216
7001127215
8001137214
9001137313
10001147213
11001157212
12001167112
13001177111
14001187011
15001187110
16002196910
17002206810
18002206810
1900320689
2000321679
2101421659
2201421668
2311521648
2411521648
2512622627
2612622627
2713722616
2823722606
2923822596
3024822586

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
26calm
36calm
46calm
56calm
66calm
76calm
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 6:45 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:086:45
212.66:096:43
312.56:096:42
412.56:106:41
512.56:106:40
612.56:116:39
712.46:116:37
812.46:126:36
912.46:126:35
1012.36:136:34
1112.36:136:32
1212.36:146:31
1312.36:146:30
1412.26:156:29
1512.26:156:27
1612.26:166:26
1712.16:166:25
1812.16:176:24
1912.16:186:22
2012.16:186:21
2112.06:196:20
2212.06:196:19
2312.06:206:17
2411.96:206:16
2511.96:216:15
2611.96:216:14
2711.86:226:12
2811.86:226:11
2911.86:236:10
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 4.7 kWh/m².

For context, solar energy here swings from a low near 3 kWh/m² to a high of 6.3 kWh/m² in May across the year — September's 4.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for Eustis

In seasonPeak

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

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

Eustis'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 Eustis?

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
5.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Eustis.

What to pack for Eustis in September

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

In September, Eustis sees daytime highs around 88°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 Eustis 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 Eustis 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 Eustis 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 Eustis 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 Eustis?

Eustis sits at 28.9°N, 81.7°W, 69 ft above sea level, in United States. The nearest listed city is Tavares, 4.3 mi away.

Topography around Eustis

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

Within 2 miles, the terrain around Eustis has only modest variations in elevation — a maximum elevation change of 141 ft around an average of 92 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 331 ft.

The land around Eustis is covered by trees (42%) and water (32%) within 2 miles, trees (49%), grassland (24%) and water (20%) within 10 miles, and trees (67%) within 50 miles.

2 miles
141 ft
10 miles
210 ft
50 miles
331 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Tavares 4.3 mi · Leesburg 12 mi · Apopka 16 mi · The Villages 17 mi · Wekiwa Springs 19 mi · Winter Garden 21 mi · Ocoee 21 mi · Clermont 22 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 Eustis (28.8528°, -81.6853°, elevation 69 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).