Estelle weather in September

In September, Estelle sees average daytime highs of 85°F and overnight lows near 74°F, with 4.7 in of rain across 14.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 83°F by the end. The sky is clear or mostly clear about 41% 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 42 min by month's end. Set against the rest of the year, September is Estelle's 5th-clearest and 9th-windiest month. For the whole year in context, see Estelle's year-round climate.

Daytime high
85°
4th warmest
Overnight low
74°
9th coldest
Rainfall
4.7 in
14.2 wet days
Daylight
12 h 12 min
5:49 AM – 6:00 PM
Cloud cover
51%
5th clearest
Wind
7 mph
9th windiest
Solar energy
4.97 kWh/m²
Travel score
4.9
out of 10

Estelle is place in Jefferson Parish, Louisiana, United States.

Density
1,259/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

Highs ease over the month, from about 87°F in the first days to 83°F by the end.

A typical September day in Estelle reaches about 85°F in the afternoon and slips back to 74°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 89°F. Set against its neighbours, September runs about 3°F cooler than August and about 7°F warmer than October.

60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18776
28776
38776
48676
58676
68676
78676
88676
98676
108675
118675
128675
138575
148575
158575
168574
178574
188574
198574
208474
218473
228473
238473
248373
258372
268372
278371
288371
298271
308271

How September really feels in Estelle

Once humidity and wind are folded in, September averages 20 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
20
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.

Estelle 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
Jan62° / 48°4.3910.35.4
Feb65° / 51°3.78.310.96.1
Mar70° / 57°4.29.111.86.8
Apr76° / 63°3.68.612.77.2
May82° / 70°3.21013.56.3
Jun87° / 76°4.715.713.94.2
Jul88° / 78°5.919.813.73.5
Aug88° / 77°6.020.313.13.5
Sep85° / 74°4.714.212.24.9
Oct78° / 65°3.28.211.37.3
Nov70° / 56°2.97.110.57.2
Dec64° / 51°3.58.510.16.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55347
65446
75545
85545
95644
105743
115743
125743
135842
145842
155842
165842
175941
185941
195941
206040
216040
226139
236139
246238
256238
266436
276436
286436
296535
306535

Chance of precipitation in September

Any precipitation

Estelle gets around 4.7 in of rain over 14.2 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 47% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
258
358
457
557
656
755
854
953
1052
1151
1251
1350
1449
1549
1648
1748
1847
1946
2045
2144
2242
2341
2440
2538
2637
2736
2835
2934
3033

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101164647
201164745
301274843
401274941
501285040
601285138
701285237
801295236
902395135
1002395333
11023105332
12024105331
13024115330
14024115429
15024125428
16034125328
17135135226
18135135226
19145145125
20146145124
21256155022
22267154921
23367164819
24378164718
25489174617
26489174516
275910184414
286911194313
2961011194112
3071012194011

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 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 54 minutes over September. Sunrise moves from 5:41 AM to 5:57 AM, and sunset from 6:19 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:416:19
212.65:426:18
312.65:426:17
412.55:436:15
512.55:436:14
612.55:446:13
712.55:446:12
812.45:456:10
912.45:466:09
1012.45:466:08
1112.35:476:07
1212.35:476:05
1312.35:486:04
1412.25:486:03
1512.25:496:01
1612.25:496:00
1712.15:505:59
1812.15:515:57
1912.15:515:56
2012.15:525:55
2112.05:525:54
2212.05:535:52
2312.05:535:51
2411.95:545:50
2511.95:545:48
2611.95:555:47
2711.85:565:46
2811.85:565:45
2911.85:575:43
3011.75:575:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 6.37 kWh/m² in May across the year — September's 4.97 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
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in September

Hazard calendar for Estelle

In seasonPeak

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

Estelle 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 Estelle?

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

4.9
Sightseeing
9th-best month of the year
6.3
Beach & pool
3rd-best month of the year

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

What to pack for Estelle in September

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

In September, Estelle sees daytime highs around 85°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Estelle in September

The nearest coast averages about 83°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 19 mi away) is warmest in August at about 86°F and coldest in January near 58°F.

It's comfortable for a long swim from Apr 5 to Nov 13 — about 7.3 months when the water holds above 68°F.

50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar64Cool
Apr71Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov67Cool
Dec61Cool

UV index in Estelle in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Estelle peaks around July 11 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 11UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Estelle 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 Estelle is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr10Good
May13Moderate
Jun18Moderate
Jul22Moderate
Aug17Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Estelle?

Estelle sits at 29.8°N, 90.1°W, 0 ft above sea level, in United States. The nearest listed city is Marrero, 3.7 mi away.

Topography around Estelle

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

Within 2 miles, the terrain around Estelle has only modest variations in elevation — a maximum elevation change of 59 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 164 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 190 ft.

The land around Estelle is covered by trees (49%), artificial surfaces (25%) and grassland (21%) within 2 miles, trees (25%), water (21%) and artificial surfaces (20%) within 10 miles, and water (43%), trees (26%) and wetland (20%) within 50 miles.

2 miles
59 ft
10 miles
164 ft
50 miles
190 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Marrero 3.7 mi · Harvey 4.3 mi · Gretna 5.6 mi · Terrytown 6.2 mi · New Orleans 7.5 mi · Metairie Terrace 9.9 mi · Metairie 9.9 mi · Chalmette 11 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 Estelle (29.8458°, -90.1067°, elevation 0 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).