Farragut weather in September

In September, Farragut sees average daytime highs of 80°F and overnight lows near 62°F, with 3.9 in of rain across 8.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 83°F in the first days to 76°F by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Farragut's 2nd-clearest and 10th-windiest month. For the whole year in context, see Farragut's year-round climate.

Daytime high
80°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.9 in
8.8 wet days
Daylight
12 h 12 min
6:24 AM – 6:38 PM
Cloud cover
50%
2nd clearest
Wind
4 mph
10th windiest
Solar energy
4.59 kWh/m²
Travel score
6.8
out of 10

Farragut is town in Knox and Loudon counties, Tennessee, United States.

Density
522/km²
people per km²
Founded
1787

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 83°F in the first days to 76°F by the end.

A typical September day in Farragut reaches about 80°F in the afternoon and slips back to 62°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 88°F. Set against its neighbours, September runs about 5°F cooler than August and about 10°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18467
28366
38366
48366
58365
68365
78265
88265
98264
108264
118164
128163
138163
148163
158062
168062
178062
187961
197961
207961
217860
227860
237859
247759
257758
267658
277658
287657
297657
307556

How September really feels in Farragut

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Farragut weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 31°4.610.71.79.81.5
Feb51° / 34°4.7111.810.62.4
Mar60° / 41°5.211.80.711.74.5
Apr69° / 49°4.711.2012.96.1
May76° / 58°4.012.6013.96.4
Jun83° / 66°4.013.9014.45.3
Jul85° / 70°5.215.3014.24.6
Aug85° / 68°3.612.2013.45.1
Sep80° / 62°3.98.8012.26.8
Oct69° / 50°3.17.9011.16.9
Nov58° / 40°4.09.20.210.14.6
Dec50° / 35°5.110.70.99.62.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35941
46040
56040
66040
76139
86139
96139
106040
116040
126040
136040
145941
155842
165842
175743
185644
195743
205644
215644
225743
235842
245842
255941
266040
276040
286139
296238
306337

Chance of precipitation in September

Any precipitation

Farragut gets around 3.9 in of rain over 8.8 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 29% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
133
232
332
432
531
631
730
830
929
1029
1128
1228
1328
1427
1527
1627
1728
1828
1928
2028
2128
2228
2328
2428
2527
2627
2727
2826
2926
3026

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1311224915
2412234814
3413244713
4514254511
5615264310
671627419
781728398
881828387
991929367
10102029346
11112130335
12122230315
13132330304
14142330294
15152430283
16162430263
17172531253
18182531233
19202531223
20212531212
21232431202
22252431182
23272430172
24292430161
25312429151
26332428141
27352427131
28362426121
29382425111
30402424111

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 6:12 AM to 6:36 AM, and sunset from 7:00 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:127:00
212.86:136:59
312.76:146:57
412.76:156:56
512.66:166:54
612.66:166:53
712.66:176:51
812.56:186:50
912.56:196:48
1012.56:196:47
1112.46:206:45
1212.46:216:44
1312.36:226:42
1412.36:236:41
1512.36:236:39
1612.26:246:38
1712.26:256:36
1812.16:266:35
1912.16:276:33
2012.16:276:31
2112.06:286:30
2212.06:296:28
2312.06:306:27
2411.96:316:25
2511.96:316:24
2611.86:326:22
2711.86:336:21
2811.86:346:19
2911.76:356:18
3011.76:366:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 6.05 kWh/m² in June across the year — September's 4.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Farragut

In seasonPeak

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

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

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

Is September a good time to visit Farragut?

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

6.8
Sightseeing
2nd-best month of the year
6.8
Beach & pool
1st-best month of the year

September is a reasonable time to visit Farragut for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Farragut in September

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

In September, Farragut sees daytime highs around 80°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Farragut in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Farragut peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 12UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Farragut 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 Farragut is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May13Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov9Good
Dec7Good
Location & terrain

Where is Farragut?

Farragut sits at 35.9°N, 84.2°W, 883 ft above sea level, in United States. The nearest listed city is Oak Ridge, 11 mi away.

Topography around Farragut

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

Within 2 miles, the terrain around Farragut has only modest variations in elevation — a maximum elevation change of 407 ft around an average of 955 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 774 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,892 ft.

The land around Farragut is covered by trees (58%) and artificial surfaces (20%) within 2 miles, trees (62%) and grassland (21%) within 10 miles, and trees (79%) within 50 miles.

2 miles
407 ft
10 miles
774 ft
50 miles
5,892 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Oak Ridge 11 mi · Maryville 14 mi · Knoxville 14 mi · Sevierville 33 mi · Gatlinburg 38 mi · Morristown 53 mi · Cleveland 65 mi · Greeneville 76 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 Farragut (35.8845°, -84.1535°, elevation 883 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).