El Mgarsa weather in September

In September, El Mgarsa sees average daytime highs of 29°C and overnight lows near 25°C, with 17 mm of rain across 1.9 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 28°C by the end. The sky is clear or mostly clear about 75% 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 El Mgarsa's 4th-clearest and 9th-windiest month. For the whole year in context, see El Mgarsa's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
17 mm
1.9 wet days
Daylight
12 h 12 min
6:04 AM – 6:17 PM
Cloud cover
26%
4th clearest
Wind
18 km/h
9th windiest
Solar energy
5.57 kWh/m²
Travel score
6.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 28°C by the end.

A typical September day in El Mgarsa 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
33126
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143025
153025
163025
172925
182925
192925
202925
212925
222925
232925
242925
252924
262924
272824
282824
292824
302824

How September really feels in El Mgarsa

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.

El Mgarsa weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 12°193.5106.4
Feb17° / 12°163.110.76.8
Mar19° / 14°142.711.77.6
Apr21° / 16°91.912.88.3
May24° / 19°41.113.78.9
Jun28° / 23°10.214.28.4
Jul30° / 25°00146.8
Aug31° / 27°10.313.36.1
Sep29° / 25°171.912.26.7
Oct27° / 22°243.611.17.9
Nov22° / 18°234.110.28.0
Dec18° / 14°254.59.87.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% 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 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3946
4928
5928
6919
7919
8919
99010
108911
118911
128911
138911
148713
158713
168713
178713
188614
198614
208515
218515
228416
238416
248218
258218
268119
278119
288119
297921
307921

Chance of precipitation in September

Any precipitation

El Mgarsa gets around 17 mm of rain over 1.9 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 6% 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
23
33
43
54
64
74
84
94
104
114
124
134
145
155
165
175
186
196
207
218
228
239
249
2510
2610
2711
2811
2911
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 40% 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 (%)
100839467
200938457
3001038448
4001137448
5011237438
6011237428
7011337428
8011337417
9011437407
10021438406
11121438396
12121539395
13121539385
14131540375
15131640364
16131641354
17141642343
18141742333
19151743322
20151743312
21161844302
22161844292
23171943281
24181943271
25282043261
26292142261
27292241251
282102341241
293102440231
303112539221

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 18 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
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light 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 6:14 AM, and sunset from 6:38 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:546:38
212.75:546:37
312.75:556:35
412.65:566:34
512.65:566:32
612.65:576:31
712.55:586:30
812.55:596:28
912.55:596:27
1012.46:006:25
1112.46:016:24
1212.46:016:22
1312.36:026:21
1412.36:036:19
1512.26:036:18
1612.26:046:17
1712.26:056:15
1812.16:066:14
1912.16:066:12
2012.16:076:11
2112.06:086:09
2212.06:086:08
2312.06:096:06
2411.96:106:05
2511.96:116:04
2611.86:116:02
2711.86:126:01
2811.86:135:59
2911.76:145:58
3011.76:145:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.57 kWh/m².

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 7.61 kWh/m² in July across the year — September's 5.57 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Hazard calendar for El Mgarsa

In seasonPeak

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

El Mgarsa 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 El Mgarsa?

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

6.7
Sightseeing
10th-best month of the year
8.8
Beach & pool
4th-best month of the year

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

What to pack for El Mgarsa in September

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

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

light clothessun protection

Sea temperature near El Mgarsa 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 at the nearest coast (about 13 km away) 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 El Mgarsa 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 El Mgarsa 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 El Mgarsa 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 El Mgarsa is worst in January — around 33 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (July, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1832 µg/m³Jul 2210 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb28Moderate
Mar29Moderate
Apr27Moderate
May19Moderate
Jun15Moderate
Jul10Good
Aug11Good
Sep14Moderate
Oct19Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is El Mgarsa?

El Mgarsa sits at 33.8°N, 11.0°E, 7 m above sea level, in Tunisia. The nearest listed city is Midoun, 1.0 km away.

MedenineMarethBen GardaneTeboulbou

Topography around El Mgarsa

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

Within 3 km, the terrain around El Mgarsa has only modest variations in elevation — a maximum elevation change of 29 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, significant variations in elevation — a maximum elevation change of 356 m.

The land around El Mgarsa is covered by grassland (42%) and artificial surfaces (39%) within 3 km, water (59%) within 16 km, and water (65%) within 80 km.

3 km
29 m
16 km
50 m
80 km
356 m
grasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Midoun 1.0 km · Djerba 14 km · Ajim 24 km · Zarzis 37 km · Medenine 68 km · Mareth 69 km · Ben Gardane 78 km · Teboulbou 81 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 El Mgarsa (33.8168°, 10.9923°, elevation 7 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).