Douz weather in September

In September, Douz sees average daytime highs of 35°C and overnight lows near 23°C, with 7 mm of rain across 1.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 37°C in the first days to 32°C by the end. The sky is clear or mostly clear about 77% of the time in September, and the air most often feels humid.

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 Douz's 4th-clearest and 7th-windiest month. For the whole year in context, see Douz's year-round climate.

Daytime high
35°
4th warmest
Overnight low
23°
10th coldest
Rainfall
7 mm
1.3 wet days
Daylight
12 h 12 min
6:12 AM – 6:24 PM
Cloud cover
23%
4th clearest
Wind
16 km/h
7th windiest
Solar energy
5.91 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 37°C in the first days to 32°C by the end.

A typical September day in Douz reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 40°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
13725
23725
33725
43725
53625
63624
73624
83624
93624
103624
113624
123524
133524
143523
153523
163523
173523
183423
193423
203423
213423
223422
233322
243322
253322
263322
273322
283321
293221
303221

How September really feels in Douz

Once humidity and wind are folded in, September averages 30 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
30
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.

Douz weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 112.2106.8
Feb19° / 61.710.87.8
Mar23° / 11°122.211.78.5
Apr27° / 15°81.712.88.1
May32° / 19°3113.75.3
Jun36° / 23°10.114.22.5
Jul39° / 26°00.1140.6
Aug39° / 26°20.513.20.8
Sep35° / 23°71.312.23.4
Oct29° / 18°81.611.26.8
Nov23° / 12°91.910.38.5
Dec18° / 1029.87.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% 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 (%)
1955
2946
3946
4946
5937
6937
7928
8919
9919
10919
119010
128911
138911
148812
158713
168713
178713
188515
198515
208416
218416
228317
238317
248317
258119
268119
278119
288119
298119
308020

Chance of precipitation in September

Any precipitation

Douz gets around 7 mm of rain over 1.3 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 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
134
144
154
164
174
185
195
205
215
226
236
246
256
266
276
286
296
306

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192232234
2192232244
3192231244
4192230244
5192230255
6192229255
7202229255
8202228245
9212228245
10222327245
11222327244
12232327234
13242327234
14242327224
15252228223
16252228213
17262229213
18262229212
19262230202
20272130202
21272131192
22272231191
23282231181
24282231171
25282231171
26292331161
27302331151
28302331151
29312331141
30322430131

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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 6:02 AM to 6:22 AM, and sunset from 6:45 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:026:45
212.76:026:44
312.76:036:43
412.66:046:41
512.66:056:40
612.66:056:39
712.56:066:37
812.56:076:36
912.56:076:34
1012.46:086:33
1112.46:096:32
1212.36:096:30
1312.36:106:29
1412.36:116:27
1512.26:116:26
1612.26:126:24
1712.26:136:23
1812.16:136:21
1912.16:146:20
2012.16:156:19
2112.06:166:17
2212.06:166:16
2312.06:176:14
2411.96:186:13
2511.96:186:11
2611.86:196:10
2711.86:206:09
2811.86:216:07
2911.76:216:06
3011.76:226:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.02 kWh/m² to a high of 7.87 kWh/m² in June across the year — September's 5.91 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Douz

In seasonPeak

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

Douz sees seasonal dust haze (March–September), heaviest in April.

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

Is September a good time to visit Douz?

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

3.4
Sightseeing
9th-best month of the year
7.0
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Douz. The water and warmth also suit a beach or pool day.

What to pack for Douz in September

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

In September, Douz sees daytime highs around 35°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Douz 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 Douz peaks around June 18 at about 10 (extreme) — 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 highVery highHighModerateJun 18UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar7High
Apr6High
May7Very high
Jun11Extreme
Jul9Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Douz 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 Douz is worst in April — around 69 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (October, 37 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorApr 1868 µg/m³Oct 1637 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb43Poor
Mar54Poor
Apr69Unhealthy
May61Unhealthy
Jun58Unhealthy
Jul43Poor
Aug40Poor
Sep40Poor
Oct37Poor
Nov41Poor
Dec39Poor
Location & terrain

Where is Douz?

Douz sits at 33.5°N, 9.0°E, 62 m above sea level, in Tunisia. The nearest listed city is Kebili, 27 km away.

El HammaMatmataTozeurMétouiaEl KsarChenini NahalGafsa

Topography around Douz

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

Within 3 km, the terrain around Douz has only modest variations in elevation — a maximum elevation change of 36 m around an average of 60 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 91 m; within 80 km, large variations in elevation — a maximum elevation change of 838 m.

The land around Douz is covered by bare terrain (47%) and trees (31%) within 3 km, bare terrain (84%) within 16 km, and bare terrain (98%) within 80 km.

3 km
36 m
16 km
91 m
80 km
838 m
treesshrubsartificial surfacesbare terrain
September weather nearby: Kebili 27 km · El Hamma 86 km · Matmata 89 km · Tozeur 96 km · Métouia 106 km · El Ksar 106 km · Chenini Nahal 106 km · Gafsa 109 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 Douz (33.4663°, 9.0203°, elevation 62 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. 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).