Düzce in Fall

In fall (September, October and November), Düzce sees average daytime highs around 17°C and overnight lows near 7°C, with 252 mm of precipitation over about 31 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 23°C in early September to 9°C by late November. The sky is clear or mostly clear about 39% of the time across fall, and the air most often feels dry.

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

Avg daytime high
17°C
2nd-warmest season
Avg overnight low
7°C
Precipitation
252 mm
31 wet days
Avg wind
5 km/h
Travel score
5.2
2nd-best season
Months
Sep · Oct · Nov

Temperature in Düzce in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 23°C in early September to 9°C by late November.

A typical fall day in Düzce reaches about 17°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Düzce

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 11 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
11
wind chill below the day's low

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

Düzce 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°10014.410.69.40.0
Feb / -2°9614.29.110.40.4
Mar10° / 113157.611.71.9
Apr14° / 104141.813.13.8
May19° / 11314.8014.25.4
Jun22° / 12°10013.2014.96.4
Jul24° / 14°508.5014.67.6
Aug25° / 15°548.1013.67.6
Sep22° / 11°738.9012.37.1
Oct18° / 9811.50.410.95.5
Nov12° / 8210.53.29.73.1
Dec / -1°10513.97.99.10.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Düzce gets around 252 mm of rain and snow over 31 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%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 5 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours 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 3.4 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Düzce?

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.

5.2
Sightseeing
2nd-best month of the year
2.2
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Düzce for sightseeing.

What to pack for Düzce in Fall

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

In fall, Düzce sees daytime highs around 17°C and nights near 7°C. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 31 days see rain.

a warm layerlight clothesrain gearsun protection

Sea temperature near Düzce in Fall

The nearest coast averages about 19°C 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 32 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 11 to Oct 12 — about 4.1 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb7Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec12Bracing

UV index in Düzce 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 Düzce peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 10UV 9Dec 18UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Düzce 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 Düzce is worst in May — around 61 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 35 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Düzce's WHO annual average of 44.6 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 961 µg/m³Dec 2335 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb41Poor
Mar59Unhealthy
Apr60Unhealthy
May61Unhealthy
Jun48Poor
Jul39Poor
Aug38Poor
Sep37Poor
Oct40Poor
Nov41Poor
Dec35Poor
Location & terrain

Where is Düzce?

Düzce sits at 40.8°N, 31.2°E, 153 m above sea level, in Turkey. The nearest listed city is Kaynaşlı, 15 km away.

Topography around Düzce

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Düzce.

Within 3 km, the terrain around Düzce has only modest variations in elevation — a maximum elevation change of 41 m around an average of 151 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,477 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,359 m.

The land around Düzce is covered by artificial surfaces (48%) and trees (31%) within 3 km, trees (74%) within 16 km, and trees (61%) within 80 km.

3 km
41 m
16 km
1,477 m
80 km
2,359 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Kaynaşlı 15 km · Akçakoca 28 km · Hendek 35 km · Kocaali 35 km · Bolu 39 km · Karasu Mahallesi 41 km · Alaplı 42 km · Akyazı 49 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

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 Düzce (40.8389°, 31.1639°, elevation 153 m), 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.