Dover in Fall

In fall (September, October and November), Dover sees average daytime highs around 59°F and overnight lows near 45°F, with 11.1 in of precipitation over about 27 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 75°F in early September to 44°F by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels dry.

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

Avg daytime high
59°F
2nd-warmest season
Avg overnight low
45°F
Precipitation
11.1 in
27 wet days
Avg wind
8 mph
Travel score
4.5
2nd-best season
Months
Sep · Oct · Nov

Temperature in Dover in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 75°F in early September to 44°F by late November.

A typical fall day in Dover reaches about 59°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 Dover

Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 25 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
25
wind chill below the day's low

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

Dover 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
Jan32° / 19°3.49.36.89.20.0
Feb34° / 20°3.296.110.20.0
Mar42° / 28°4.210.95.411.60.4
Apr54° / 38°4.010.51.413.13.1
May64° / 48°3.010.3014.45.5
Jun74° / 58°3.610.8015.16.5
Jul79° / 64°3.210.7014.96.5
Aug78° / 62°3.39.2013.86.9
Sep71° / 55°3.48.3012.36.9
Oct59° / 45°4.29.50.210.84.8
Nov48° / 35°3.69.21.29.51.8
Dec38° / 26°4.410.45.28.90.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Dover gets around 11.1 in of rain and snow over 27 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 8 mph across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours in early September to 9 h 06 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 3.0 kWh/m².

024SepOctNov
Planning a trip in fall

Hazard calendar for Dover

In seasonPeak

In fall, Dover overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Dover 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 fall a good time to visit Dover?

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.

4.5
Sightseeing
2nd-best month of the year
1.7
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Dover for sightseeing.

What to pack for Dover in Fall

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

In fall, Dover sees daytime highs around 59°F and nights near 45°F. Pack a warm layer. Worth having: rain gear. About 27 days see rain.

a warm layerrain gear

Sea temperature near Dover in Fall

The nearest coast averages about 55°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 mi away) is warmest in August at about 65°F and coldest in March near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr42Bracing
May49Bracing
Jun57Bracing
Jul63Cool
Aug65Cool
Sep62Cool
Oct55Bracing
Nov49Bracing
Dec45Bracing

UV index in Dover 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 Dover peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateModerateLowJul 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7High
Jul7Very high
Aug4Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Dover?

Dover sits at 43.2°N, 70.9°W, 62 ft above sea level, in United States. The nearest listed city is Rochester, 8.7 mi away.

Topography around Dover

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

Within 2 miles, the terrain around Dover has only modest variations in elevation — a maximum elevation change of 315 ft around an average of 121 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 696 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,943 ft.

The land around Dover is covered by trees (62%) and grassland (20%) within 2 miles, trees (75%) within 10 miles, and trees (67%) and water (27%) within 50 miles.

2 miles
315 ft
10 miles
696 ft
50 miles
2,943 ft
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Rochester 8.7 mi · Portsmouth 9.9 mi · Sanford 17 mi · Amesbury 24 mi · Newburyport 27 mi · Biddeford 29 mi · Saco 30 mi · Derry Village 30 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 Dover (43.1979°, -70.8737°, elevation 62 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.