Mareth in Fall
In fall (September, October and November), Mareth sees average daytime highs around 27°C and overnight lows near 18°C, with 51 mm of rain over about 9 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 33°C in early September to 20°C by late November. The sky is clear or mostly clear about 65% of the time across fall, and the air most often feels dry.
Fall is Mareth's 2nd-best season to visit on our travel score. For the whole year in context, see Mareth's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 51 mm
- 9 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Mareth in Fall
Over the season highs ease from about 33°C in early September to 20°C by late November.
A typical fall day in Mareth reaches about 27°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Mareth
Once humidity and wind are folded in, fall brings about 17 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Mareth 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 16° / 8° | 16 | 3.1 | 10 | 6.3 |
| Feb | 18° / 9° | 14 | 2.7 | 10.8 | 7.1 |
| Mar | 21° / 11° | 18 | 2.6 | 11.7 | 8.0 |
| Apr | 24° / 14° | 11 | 2.1 | 12.8 | 8.7 |
| May | 28° / 18° | 5 | 1.3 | 13.7 | 7.6 |
| Jun | 32° / 21° | 1 | 0.3 | 14.2 | 5.3 |
| Jul | 35° / 24° | 0 | 0.1 | 14 | 3.6 |
| Aug | 35° / 25° | 2 | 0.5 | 13.2 | 3.4 |
| Sep | 32° / 23° | 17 | 2.6 | 12.2 | 5.1 |
| Oct | 28° / 19° | 21 | 3 | 11.2 | 7.4 |
| Nov | 22° / 13° | 14 | 3 | 10.3 | 8.2 |
| Dec | 17° / 9° | 18 | 3.1 | 9.8 | 7.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 65% of the time across fall.
Chance of precipitation in Fall
Mareth gets around 51 mm of rain over 9 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 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 9 h 54 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 4.5 kWh/m².
Hazard calendar for Mareth
In fall, Mareth overlaps its dust season. The full year is below, with each hazard's peak months called out.
Mareth sees seasonal dust haze (April–June), heaviest in April.
Is fall a good time to visit Mareth?
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 Mareth for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mareth in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Mareth sees daytime highs around 27°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 9 days see rain.
Sea temperature near Mareth in Fall
The nearest coast averages about 25°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 30 km away) is warmest in August at about 29°C and coldest in February near 14°C.
It's comfortable for a long swim from May 8 to Nov 26 — about 6.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 15 | 18 | 21 | 24 | 27 | 29 | 28 | 25 | 22 | 17 |
| Comfort | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 15 | Cool |
| Apr | 18 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 25 | Warm |
| Nov | 22 | Refreshing |
| Dec | 17 | Cool |
UV index in Mareth 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 Mareth peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 5 | 7 | 6 | 7 | 11 | 10 | 9 | 8 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Mareth 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 Mareth is worst in January — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (July, 12 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) | 40 | 33 | 34 | 29 | 21 | 16 | 12 | 12 | 16 | 22 | 30 | 32 |
| Level | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 40 | Poor |
| Feb | 33 | Moderate |
| Mar | 34 | Moderate |
| Apr | 29 | Moderate |
| May | 21 | Moderate |
| Jun | 16 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Moderate |
| Sep | 16 | Moderate |
| Oct | 22 | Moderate |
| Nov | 30 | Moderate |
| Dec | 32 | Moderate |
Where is Mareth?
Mareth sits at 33.6°N, 10.3°E, 51 m above sea level, in Tunisia. The nearest listed city is Teboulbou, 30 km away.
Topography around Mareth
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mareth.
Within 3 km, the terrain around Mareth has only modest variations in elevation — a maximum elevation change of 37 m around an average of 50 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.
The land around Mareth is covered by cropland (47%) within 3 km, bare terrain (34%) and grassland (31%) within 16 km, and bare terrain (54%) and water (28%) within 80 km.
Tunisia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $4,657
- 2025
- Happiness
- 4.8 / 10
- World Happiness, 2025
- Safe drinking water
- 65%
- of population, 2024
- Homicide rate
- 4.7
- per 100k, 2020
- Road deaths
- 16.5
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 498
- 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 Mareth (33.6179°, 10.2854°, elevation 51 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.