Giresun in Fall
In fall (September, October and November), Giresun sees average daytime highs around 19°C and overnight lows near 15°C, with 538 mm of precipitation over about 44 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 24°C in early September to 13°C by late November. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels dry.
Fall is Giresun's 2nd-best season to visit on our travel score. For the whole year in context, see Giresun's year-round climate.
- Avg daytime high
- 19°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Precipitation
- 538 mm
- 44 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Giresun in Fall
Over the season highs ease from about 24°C in early September to 13°C by late November.
A typical fall day in Giresun reaches about 19°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
Giresun 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 5° | 132 | 15.6 | 5.4 | 9.4 | 1.6 |
| Feb | 9° / 5° | 98 | 13.6 | 5.2 | 10.4 | 1.6 |
| Mar | 11° / 6° | 119 | 15.8 | 3.3 | 11.7 | 2.4 |
| Apr | 14° / 9° | 106 | 14.2 | 0.2 | 13.1 | 3.9 |
| May | 18° / 14° | 110 | 13.8 | 0 | 14.3 | 5.5 |
| Jun | 22° / 18° | 99 | 12.4 | 0 | 14.9 | 6.5 |
| Jul | 25° / 21° | 82 | 12.1 | 0 | 14.6 | 6.8 |
| Aug | 25° / 21° | 102 | 13.8 | 0 | 13.6 | 6.4 |
| Sep | 23° / 18° | 176 | 14.6 | 0 | 12.3 | 6.1 |
| Oct | 19° / 15° | 213 | 16.2 | 0 | 10.9 | 5.4 |
| Nov | 15° / 11° | 149 | 12.8 | 0.5 | 9.7 | 4.3 |
| Dec | 11° / 7° | 131 | 14.7 | 2.4 | 9.1 | 2.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 29% of the time across fall.
Chance of precipitation in Fall
Giresun gets around 538 mm of rain and snow over 44 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
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.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.0 kWh/m².
Is fall a good time to visit Giresun?
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.
fall is a reasonable time to visit Giresun for sightseeing.
What to pack for Giresun in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Giresun sees daytime highs around 19°C and nights near 15°C. Pack rain gear. Worth having: light clothes and a warm layer. About 44 days see rain.
Sea temperature near Giresun in Fall
The nearest coast averages about 20°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 23 km away) is warmest in August at about 25°C and coldest in February near 8°C.
It's comfortable for a long swim from Jun 10 to Oct 15 — about 4.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 8 | 8 | 11 | 16 | 21 | 24 | 25 | 24 | 20 | 16 | 12 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 11 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 20 | Cool |
| Nov | 16 | Cool |
| Dec | 12 | Bracing |
UV index in Giresun in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Giresun peaks around June 21 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 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 3 | 7 | 7 | 9 | 9 | 9 | 7 | 4 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Giresun in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Giresun is worst in March — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 16 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Giresun's WHO annual average of 21.8 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 25 | 32 | 31 | 24 | 19 | 20 | 21 | 18 | 19 | 18 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 25 | Moderate |
| Mar | 32 | Moderate |
| Apr | 31 | Moderate |
| May | 24 | Moderate |
| Jun | 19 | Moderate |
| Jul | 20 | Moderate |
| Aug | 21 | Moderate |
| Sep | 18 | Moderate |
| Oct | 19 | Moderate |
| Nov | 18 | Moderate |
| Dec | 16 | Moderate |
Where is Giresun?
Giresun sits at 40.9°N, 38.4°E, 39 m above sea level, in Turkey. The nearest listed city is Bulancak, 13 km away.
Topography around Giresun
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Giresun.
Within 3 km, the terrain around Giresun has significant variations in elevation — a maximum elevation change of 508 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,262 m.
The land around Giresun is covered by water (54%) and trees (32%) within 3 km, trees (51%) and water (47%) within 16 km, and trees (45%), water (31%) and grassland (22%) within 80 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
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 Giresun (40.917°, 38.3874°, elevation 39 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.