Rethymno in Fall
In fall (September, October and November), Rethymno sees average daytime highs around 22°C and overnight lows near 16°C, with 134 mm of rain over about 19 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 27°C in early September to 16°C by late November. The sky is clear or mostly clear about 57% of the time across fall, and the air most often feels dry.
Fall is Rethymno's 2nd-best season to visit on our travel score. For the whole year in context, see Rethymno's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 134 mm
- 19 wet days
- Avg wind
- 8 km/h
- Travel score
- 7.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Rethymno in Fall
Over the season highs ease from about 27°C in early September to 16°C by late November.
A typical fall day in Rethymno reaches about 22°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.
Rethymno 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 | 13° / 8° | 97 | 14.1 | 0.5 | 9.9 | 3.2 |
| Feb | 13° / 8° | 87 | 12.3 | 0.6 | 10.7 | 3.3 |
| Mar | 14° / 9° | 62 | 9.5 | 0.2 | 11.7 | 4.4 |
| Apr | 17° / 12° | 34 | 6 | 0 | 12.9 | 6.5 |
| May | 22° / 15° | 23 | 3.7 | 0 | 13.8 | 8.2 |
| Jun | 26° / 19° | 6 | 1.3 | 0 | 14.3 | 9.1 |
| Jul | 27° / 22° | 3 | 0.6 | 0 | 14.1 | 9.0 |
| Aug | 28° / 22° | 3 | 0.7 | 0 | 13.3 | 8.9 |
| Sep | 26° / 20° | 17 | 2.8 | 0 | 12.2 | 8.7 |
| Oct | 22° / 16° | 48 | 6.4 | 0 | 11.1 | 7.6 |
| Nov | 18° / 13° | 69 | 9.6 | 0 | 10.1 | 5.8 |
| Dec | 14° / 10° | 101 | 13.7 | 0.1 | 9.7 | 3.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 57% of the time across fall.
Chance of precipitation in Fall
Rethymno gets around 134 mm of rain over 19 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 8 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 48 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 4.2 kWh/m².
Hazard calendar for Rethymno
In fall, Rethymno overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Rethymno's rainy season runs October–March, when most of the year's rain falls.
Rethymno sees seasonal dust haze (May), heaviest in May.
Is fall a good time to visit Rethymno?
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 one of the better times to visit Rethymno for general sightseeing.
What to pack for Rethymno in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rethymno sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 19 days see rain.
Sea temperature near Rethymno in Fall
The nearest coast averages about 23°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in February near 16°C.
It's comfortable for a long swim from May 25 to Nov 24 — about 6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 17 | 19 | 22 | 25 | 26 | 25 | 23 | 21 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 18 | Cool |
UV index in Rethymno in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rethymno peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 3 | 6 | 8 | 8 | 10 | 10 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rethymno 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 Rethymno is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 14 | 15 | 12 | 9 | 9 | 10 | 8 | 8 | 11 | 8 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 12 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 10 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 11 | Good |
| Dec | 8 | Good |
Where is Rethymno?
Rethymno sits at 35.4°N, 24.5°E, 14 m above sea level, in Greece. The nearest listed city is Chania, 44 km away.
Topography around Rethymno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rethymno.
Within 3 km, the terrain around Rethymno has significant variations in elevation — a maximum elevation change of 329 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,432 m.
The land around Rethymno is covered by water (44%) and trees (29%) within 3 km, water (47%), trees (25%) and grassland (21%) within 16 km, and water (66%) within 80 km.
Greece travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $26,948
- 2025
- Happiness
- 5.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.8
- per 100k, 2023
- Road deaths
- 8.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 592
- 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 Rethymno (35.3655°, 24.4823°, elevation 14 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.