Borj Cedria weather in September

In September, Borj Cedria sees average daytime highs of 28°C and overnight lows near 22°C, with 40 mm of rain across 5.4 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 26°C by the end. The sky is clear or mostly clear about 59% 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 Borj Cedria's 5th-clearest and 11th-windiest month. For the whole year in context, see Borj Cedria's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
40 mm
5.4 wet days
Daylight
12 h 12 min
6:06 AM – 6:20 PM
Cloud cover
37%
5th clearest
Wind
13 km/h
11th windiest
Solar energy
5.04 kWh/m²
Travel score
7.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 26°C by the end.

A typical September day in Borj Cedria reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs about 3°C cooler than August and about 3°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62922
72922
82822
92822
102822
112822
122822
132822
142822
152822
162822
172722
182721
192721
202721
212721
222721
232721
242721
252621
262621
272621
282620
292620
302620

How September really feels in Borj Cedria

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.

Borj Cedria weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 10°498.59.84.9
Feb15° / 10°478.510.64.9
Mar17° / 11°457.711.76.0
Apr19° / 13°397.412.96.8
May23° / 16°22413.98.1
Jun27° / 20°91.614.58.3
Jul30° / 22°20.214.37.1
Aug30° / 23°71.713.46.4
Sep28° / 22°405.412.27.2
Oct24° / 19°527.211.17.5
Nov20° / 15°517.8106.8
Dec17° / 11°498.39.55.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% 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 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28614
38416
48317
58317
68218
78119
88020
98020
107921
117822
127822
137723
147624
157525
167426
177426
187426
197327
207228
217228
227228
237228
247327
257228
267228
277228
287228
297228
307228

Chance of precipitation in September

Any precipitation

Borj Cedria gets around 40 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 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
111
212
312
413
514
615
715
816
916
1016
1117
1217
1317
1418
1518
1618
1719
1819
1919
2020
2120
2220
2320
2421
2521
2621
2721
2822
2922
3022

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 64% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1031945321
2042045311
3042145301
4042144291
5042244291
6042344281
7042344281
8052444271
9052444261
10052544261
11052543251
12052643250
13162643240
14162743240
15162742230
16172742220
17172842220
18182841210
19182941200
20293040190
212103040180
222103139180
232113138170
242113238160
253123238150
263133337150
273133337140
283143337130
293153336120
303163336120

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 5:54 AM to 6:18 AM, and sunset from 6:43 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:546:43
212.85:546:41
312.75:556:40
412.75:566:38
512.75:576:37
612.65:586:35
712.65:586:34
812.55:596:32
912.56:006:31
1012.56:016:29
1112.46:026:28
1212.46:036:26
1312.46:036:24
1412.36:046:23
1512.36:056:21
1612.26:066:20
1712.26:076:18
1812.26:086:17
1912.16:086:15
2012.16:096:13
2112.06:106:12
2212.06:116:10
2311.96:126:09
2411.96:136:07
2511.96:136:06
2611.86:146:04
2711.86:156:02
2811.76:166:01
2911.76:175:59
3011.76:185:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.04 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 7.57 kWh/m² in July across the year — September's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.7Bright
45.7Bright
55.6Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Borj Cedria

In seasonPeak

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

Borj Cedria 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 Borj Cedria?

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

7.2
Sightseeing
4th-best month of the year
7.8
Beach & pool
4th-best month of the year

September is one of the better times to visit Borj Cedria for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Borj Cedria in September

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

In September, Borj Cedria sees daytime highs around 28°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Borj Cedria in September

The nearest coast averages about 25°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 20 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 3 to Nov 19 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Borj Cedria 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 Borj Cedria peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateHighVery highHighModerateJul 16UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May6High
Jun8Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in Borj Cedria 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 Borj Cedria 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 Borj Cedria?

Borj Cedria sits at 36.7°N, 10.4°E, 28 m above sea level, in Tunisia. The nearest listed city is Hammam-Lif, 5.0 km away.

Topography around Borj Cedria

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

Within 3 km, the terrain around Borj Cedria has significant variations in elevation — a maximum elevation change of 482 m around an average of 100 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 754 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around Borj Cedria is covered by trees (38%) and artificial surfaces (21%) within 3 km, water (29%) and grassland (23%) within 16 km, and water (41%) and cropland (28%) within 80 km.

3 km
482 m
16 km
754 m
80 km
1,190 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Hammam-Lif 5.0 km · La Sebala du Mornag 9.0 km · Ez Zahra 9.0 km · Soliman 9.0 km · Radès 13 km · Boumhel El Bassatine 14 km · Grombalia 15 km · La Goulette 15 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 Borj Cedria (36.697°, 10.3865°, elevation 28 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).