Hammamet weather in September

In September, Hammamet sees average daytime highs of 28°C and overnight lows near 21°C, with 42 mm of rain across 5.4 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 27°C by the end. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Hammamet's 5th-clearest and 10th-windiest month. For the whole year in context, see Hammamet's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
42 mm
5.4 wet days
Daylight
12 h 12 min
6:05 AM – 6:19 PM
Cloud cover
39%
5th clearest
Wind
11 km/h
10th windiest
Solar energy
5.11 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 27°C by the end.

A typical September day in Hammamet reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
72922
82922
92922
102922
112921
122921
132921
142921
152821
162821
172821
182821
192821
202821
212821
222820
232720
242720
252720
262720
272720
282720
292720
302620

How September really feels in Hammamet

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Hammamet weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 396.79.85.2
Feb16° / 387.410.65.2
Mar18° / 10°427.111.76.3
Apr20° / 13°38712.97.0
May24° / 16°203.813.98.2
Jun28° / 19°101.814.47.7
Jul31° / 22°20.214.26.2
Aug31° / 23°81.713.45.7
Sep28° / 21°425.412.26.8
Oct25° / 18°506.911.17.5
Nov20° / 14°426.410.17.0
Dec17° / 10°396.89.65.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38317
48317
58218
68119
78020
87921
97921
107822
117723
127624
137624
147525
157426
167426
177327
187228
197228
207129
217129
227129
237129
247129
257129
267129
277129
287129
297030
307030

Chance of precipitation in September

Any precipitation

Hammamet gets around 42 mm of rain over 5.4 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 18% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
213
314
414
515
616
716
817
917
1017
1117
1218
1318
1418
1518
1618
1718
1819
1919
2019
2119
2220
2320
2420
2520
2620
2721
2821
2921
3021

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1062444261
2062443251
3072543251
4072543241
5072543241
6082543231
7082643231
8082642221
9092642221
10092742221
11092742211
120102741211
131102841201
141102840201
151112840191
161112939191
171122939191
182122938181
192123038171
202133037171
213133137161
223143136151
233143136151
244153235141
254153235130
264163235130
274173234120
285173234110
295183333110
305193333100

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:53 AM to 6:17 AM, and sunset from 6:42 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:536:42
212.85:546:40
312.75:546:39
412.75:556:37
512.75:566:36
612.65:576:34
712.65:586:33
812.55:596:31
912.55:596:30
1012.56:006:28
1112.46:016:26
1212.46:026:25
1312.36:036:23
1412.36:036:22
1512.36:046:20
1612.26:056:19
1712.26:066:17
1812.16:076:16
1912.16:076:14
2012.16:086:12
2112.06:096:11
2212.06:106:09
2312.06:116:08
2411.96:126:06
2511.96:126:05
2611.86:136:03
2711.86:146:02
2811.86:156:00
2911.76:165:59
3011.76:175:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.11 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 7.6 kWh/m² in July across the year — September's 5.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.6Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Hammamet

In seasonPeak

None of Hammamet's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Hammamet sees seasonal dust haze (June), heaviest in June.

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

Is September a good time to visit Hammamet?

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

6.8
Sightseeing
6th-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for Hammamet in September

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

In September, Hammamet sees daytime highs around 28°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Hammamet in September

The nearest coast averages about 26°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 25 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec18Cool

UV index in Hammamet in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hammamet peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateHighVery highHighModerateJul 16UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May6High
Jun9Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in Hammamet 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 Hammamet is worst in February — around 38 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 24 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1638 µg/m³Aug 1024 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb38Poor
Mar36Poor
Apr33Moderate
May29Moderate
Jun25Moderate
Jul24Moderate
Aug24Moderate
Sep27Moderate
Oct31Moderate
Nov34Moderate
Dec37Poor
Location & terrain

Where is Hammamet?

Hammamet sits at 36.4°N, 10.6°E, 13 m above sea level, in Tunisia. The nearest listed city is Nabeul, 12 km away.

Topography around Hammamet

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

Within 3 km, the terrain around Hammamet has only modest variations in elevation — a maximum elevation change of 181 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 466 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around Hammamet is covered by water (50%) and artificial surfaces (23%) within 3 km, water (46%) and grassland (29%) within 16 km, and water (41%), grassland (23%) and cropland (22%) within 80 km.

3 km
181 m
16 km
466 m
80 km
1,190 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Nabeul 12 km · Douane 14 km · Dar Chabanne 14 km · Beni Khiar 17 km · Grombalia 24 km · Beni Khalled 28 km · Korba 29 km · Mennzel Bou Zelfa 32 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 Hammamet (36.4°, 10.6167°, elevation 13 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).