Whitehall Township in Fall

In fall (September, October and November), Whitehall Township sees average daytime highs around 63°F and overnight lows near 45°F, with 12.3 in of precipitation over about 26 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.

Over the season highs ease from about 79°F in early September to 46°F by late November. The sky is clear or mostly clear about 34% of the time across fall, and the air most often feels dry.

Fall is Whitehall Township's 2nd-best season to visit on our travel score. For the whole year in context, see Whitehall Township's year-round climate.

Avg daytime high
63°F
2nd-warmest season
Avg overnight low
45°F
Precipitation
12.3 in
26 wet days
Avg wind
6 mph
Travel score
5.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Whitehall Township in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 79°F in early September to 46°F by late November.

A typical fall day in Whitehall Township reaches about 63°F and drops to 45°F overnight. The warmest of the three months is September, the coolest November.

20°40°60°80°SepOctNov

How fall really feels in Whitehall Township

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

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

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Whitehall Township 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 daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.79.85.49.40.0
Feb39° / 24°3.19.14.810.40.0
Mar48° / 31°4.111.23.811.71.6
Apr60° / 41°4.111.10.613.14.6
May70° / 51°3.811.7014.26.2
Jun79° / 60°4.211.3014.96.3
Jul84° / 65°3.610.8014.65.4
Aug82° / 64°3.69.9013.66.2
Sep75° / 56°4.68.7012.37.0
Oct63° / 45°4.39.10.210.95.5
Nov51° / 35°3.58.50.99.72.6
Dec41° / 28°4.29.83.69.10.2

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Whitehall Township gets around 12.3 in of rain and snow over 26 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 6 mph across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 54 min in early September to 9 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 3.1 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Whitehall Township?

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.

5.0
Sightseeing
2nd-best month of the year
2.4
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Whitehall Township for sightseeing.

What to pack for Whitehall Township in Fall

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

In fall, Whitehall Township sees daytime highs around 63°F and nights near 45°F. Pack a warm layer. Worth having: light clothes and rain gear. About 26 days see rain.

a warm layerlight clothesrain gear

UV index in Whitehall Township in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Whitehall Township peaks around July 10 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Whitehall Township 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 Whitehall Township is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1417 µg/m³Nov 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Whitehall Township?

Whitehall Township sits at 40.7°N, 75.5°W, 384 ft above sea level, in United States. The nearest listed city is Allentown, 4.3 mi away.

Topography around Whitehall Township

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

Within 2 miles, the terrain around Whitehall Township has only modest variations in elevation — a maximum elevation change of 364 ft around an average of 374 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,545 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,516 ft.

The land around Whitehall Township is covered by trees (35%), artificial surfaces (27%) and grassland (22%) within 2 miles, trees (45%) and grassland (22%) within 10 miles, and trees (73%) within 50 miles.

2 miles
364 ft
10 miles
1,545 ft
50 miles
2,516 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Allentown 4.3 mi · Bethlehem 7.5 mi · Easton 15 mi · Limerick 30 mi · Pottstown 30 mi · Lansdale 32 mi · Hazleton 32 mi · Reading 32 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 Whitehall Township (40.6668°, -75.4999°, elevation 384 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.