Seguin in Fall

In fall (September, October and November), Seguin sees average daytime highs around 81°F and overnight lows near 61°F, with 8.6 in of rain over about 24 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 93°F in early September to 68°F by late November. The sky is clear or mostly clear about 48% of the time across fall, and the air most often feels dry.

Fall is Seguin's 3rd-best season to visit on our travel score. For the whole year in context, see Seguin's year-round climate.

Avg daytime high
81°F
2nd-warmest season
Avg overnight low
61°F
Rainfall
8.6 in
24 wet days
Avg wind
7 mph
Travel score
5.9
3rd-best season
Months
Sep · Oct · Nov

Temperature in Seguin in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 93°F in early September to 68°F by late November.

A typical fall day in Seguin reaches about 81°F and drops to 61°F overnight. The warmest of the three months is September, the coolest November.

40°60°80°100°SepOctNov

How fall really feels in Seguin

Once humidity and wind are folded in, fall brings about 24 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
24
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Seguin weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 43°2.47.110.36.0
Feb67° / 47°2.27.110.96.6
Mar73° / 54°2.88.611.87.1
Apr80° / 60°2.98.112.76.8
May87° / 68°4.110.113.54.9
Jun92° / 74°2.68.813.93.5
Jul95° / 75°1.86.813.72.7
Aug96° / 76°2.06.113.12.4
Sep90° / 71°2.88.812.24.0
Oct82° / 62°3.17.611.36.6
Nov72° / 52°2.77.110.57.2
Dec65° / 45°2.57.610.16.2

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Seguin gets around 8.6 in of rain over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 7 mph across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 36 min in early September to 10 h 18 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.2 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Seguin?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.9
Sightseeing
3rd-best month of the year
6.4
Beach & pool
2nd-best month of the year

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

What to pack for Seguin in Fall

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

In fall, Seguin sees daytime highs around 81°F and nights near 61°F. Pack light clothes. Worth having: rain gear and sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Seguin in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages 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 Seguin peaks around August 10 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 highHighModerateAug 10UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5High
Dec4Moderate

Air quality in Seguin in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Seguin is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (October, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Oct 246 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar9Good
Apr10Good
May15Moderate
Jun15Moderate
Jul18Moderate
Aug12Good
Sep10Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is Seguin?

Seguin sits at 29.6°N, 98.0°W, 522 ft above sea level, in United States. The nearest listed city is New Braunfels, 13 mi away.

Topography around Seguin

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

Within 2 miles, the terrain around Seguin has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 528 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 410 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,775 ft.

The land around Seguin is covered by grassland (30%), trees (29%) and artificial surfaces (29%) within 2 miles, grassland (48%), trees (29%) and cropland (20%) within 10 miles, and grassland (48%) and trees (42%) within 50 miles.

2 miles
157 ft
10 miles
410 ft
50 miles
1,775 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: New Braunfels 13 mi · Cibolo 16 mi · Schertz 19 mi · Universal City 20 mi · Converse 21 mi · San Marcos 22 mi · Live Oak 22 mi · Canyon Lake 28 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 Seguin (29.5688°, -97.9647°, elevation 522 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.