Djerba weather in September

In September, Djerba sees average daytime highs of 29°C and overnight lows near 25°C, with 19 mm of rain across 2.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 74% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Djerba's 4th-clearest and 9th-windiest month. For the whole year in context, see Djerba's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
19 mm
2.1 wet days
Daylight
12 h 12 min
6:05 AM – 6:17 PM
Cloud cover
27%
4th clearest
Wind
19 km/h
9th windiest
Solar energy
5.54 kWh/m²
Travel score
6.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical September day in Djerba reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13126
23126
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133025
143025
153025
162925
172925
182925
192925
202925
212925
222925
232925
242924
252924
262824
272824
282824
292824
302824

How September really feels in Djerba

Once humidity and wind are folded in, September averages 11 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Djerba weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 12°183.4106.2
Feb17° / 12°142.810.76.6
Mar19° / 14°162.811.77.5
Apr21° / 16°10212.88.2
May24° / 19°41.113.78.9
Jun28° / 23°10.214.28.4
Jul30° / 25°00146.8
Aug31° / 27°20.413.36.1
Sep29° / 25°192.112.26.8
Oct26° / 22°253.911.17.9
Nov22° / 18°223.810.28.0
Dec18° / 14°213.99.87.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2937
3928
4928
5919
6919
79010
89010
98911
108911
118812
128812
138812
148713
158614
168614
178515
188515
198515
208317
218317
228218
238218
248119
258119
268020
278020
287921
297822
307822

Chance of precipitation in September

Any precipitation

Djerba gets around 19 mm of rain over 2.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
24
34
44
54
65
75
85
95
105
115
125
135
145
155
165
176
186
197
207
218
228
239
2410
2510
2611
2711
2812
2912
3012

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100838477
201838467
301938467
4011037457
5011037447
6011137437
7021138437
8021238426
9021238416
10021239406
11031240405
12131340395
13131341384
14141342374
15141442364
16141443353
17151544333
18151544322
19161545312
20161645302
21171745291
22171745281
23181845271
24191944261
25292044251
262102143241
272102242231
282102341221
293112440211
303112539210

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 5:54 AM to 6:15 AM, and sunset from 6:38 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:546:38
212.75:556:37
312.75:566:36
412.65:566:34
512.65:576:33
612.65:586:32
712.55:586:30
812.55:596:29
912.56:006:27
1012.46:006:26
1112.46:016:24
1212.46:026:23
1312.36:036:21
1412.36:036:20
1512.26:046:19
1612.26:056:17
1712.26:056:16
1812.16:066:14
1912.16:076:13
2012.16:086:11
2112.06:086:10
2212.06:096:08
2312.06:106:07
2411.96:106:06
2511.96:116:04
2611.86:126:03
2711.86:136:01
2811.86:136:00
2911.76:145:58
3011.76:155:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.54 kWh/m².

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 7.6 kWh/m² in July across the year — September's 5.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Hazard calendar for Djerba

In seasonPeak

In September, Djerba sits inside its dust season. The full year is below, with each hazard's peak months called out.

Djerba sees seasonal dust haze (April–June), heaviest in April.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Djerba?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.8
Sightseeing
8th-best month of the year
8.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Djerba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Djerba in September

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

In September, Djerba sees daytime highs around 29°C and nights near 25°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Djerba in September

The nearest coast averages about 28°C in September — 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 28°C and coldest in February near 15°C.

It's comfortable for a long swim from May 14 to Dec 3 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar16Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul27Warm
Aug28Tropical
Sep28Warm
Oct25Warm
Nov22Refreshing
Dec18Cool

UV index in Djerba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Djerba peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr5High
May7High
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Djerba in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Djerba 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateJan 1739 µg/m³Jul 2212 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb33Moderate
Mar34Moderate
Apr29Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug12Moderate
Sep16Moderate
Oct22Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Djerba?

Djerba sits at 33.9°N, 10.9°E, 5 m above sea level, in Tunisia. The nearest listed city is El Mgarsa, 14 km away.

ZarzisMarethMedenineTeboulbouGabes

Topography around Djerba

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

Within 3 km, the terrain around Djerba has only modest variations in elevation — a maximum elevation change of 20 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, large variations in elevation — a maximum elevation change of 610 m.

The land around Djerba is covered by artificial surfaces (40%) and water (30%) within 3 km, water (55%) within 16 km, and water (65%) within 80 km.

3 km
20 m
16 km
50 m
80 km
610 m
grasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: El Mgarsa 14 km · Midoun 15 km · Ajim 19 km · Zarzis 48 km · Mareth 60 km · Medenine 66 km · Teboulbou 69 km · Gabes 70 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
Muslim 99%

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 Djerba (33.8758°, 10.8575°, elevation 5 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).