Nefta weather in September

In September, Nefta sees average daytime highs of 36°C and overnight lows near 24°C, with 9 mm of rain across 1.6 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 38°C in the first days to 33°C by the end. The sky is clear or mostly clear about 75% 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 Nefta's 4th-clearest and 7th-windiest month. For the whole year in context, see Nefta's year-round climate.

Daytime high
36°
4th warmest
Overnight low
24°
9th coldest
Rainfall
9 mm
1.6 wet days
Daylight
12 h 12 min
6:17 AM – 6:29 PM
Cloud cover
25%
4th clearest
Wind
14 km/h
7th windiest
Solar energy
5.88 kWh/m²
Travel score
2.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 38°C in the first days to 33°C by the end.

A typical September day in Nefta reaches about 36°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 40°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
13826
23826
33826
43826
53726
63726
73725
83725
93725
103725
113625
123625
133625
143624
153624
163624
173524
183524
193524
203524
213523
223423
233423
243423
253423
263423
273322
283322
293322
303322

How September really feels in Nefta

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.

Nefta 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° / 112.3107.1
Feb19° / 71.610.78.0
Mar24° / 12°101.911.78.7
Apr28° / 16°91.912.87.7
May33° / 21°4113.74.6
Jun38° / 25°10.214.21.5
Jul41° / 27°00.1140.0
Aug40° / 27°10.513.30.2
Sep36° / 24°91.612.22.9
Oct30° / 19°91.811.16.4
Nov23° / 12°111.710.28.5
Dec18° / 929.87.5

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 11% 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
2946
3946
4946
5928
6928
7919
8919
9919
108911
118911
128911
138713
148713
158614
168515
178416
188416
198416
208218
218218
228218
238020
248020
258020
268020
277921
287921
297921
307921

Chance of precipitation in September

Any precipitation

Nefta gets around 9 mm of rain over 1.6 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 5% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
74
84
94
104
114
124
134
144
154
165
175
185
196
206
216
227
237
247
258
268
278
288
298
308

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192838151
2192837151
3192837151
4192836161
5202835161
6202834171
7212833171
8212833171
9222832171
10232831171
11232831171
12242830161
13252830161
14252830161
15262830151
16262730151
17272730151
18272730141
19272730141
20282830141
21282830141
22282830131
23292830130
24292829130
25302829120
26302829120
27312829120
28322829110
29322829100
30332828100

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 6:06 AM to 6:27 AM, and sunset from 6:50 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:066:50
212.76:076:49
312.76:076:48
412.66:086:46
512.66:096:45
612.66:106:43
712.56:106:42
812.56:116:41
912.56:126:39
1012.46:126:38
1112.46:136:36
1212.46:146:35
1312.36:146:33
1412.36:156:32
1512.26:166:30
1612.26:176:29
1712.26:176:28
1812.16:186:26
1912.16:196:25
2012.16:196:23
2112.06:206:22
2212.06:216:20
2312.06:226:19
2411.96:226:17
2511.96:236:16
2611.86:246:15
2711.86:246:13
2811.86:256:12
2911.76:266:10
3011.76:276:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.88 kWh/m².

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.84 kWh/m² in June across the year — September's 5.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Bright
155.9Bright
165.9Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Nefta

In seasonPeak

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

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

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

Is September a good time to visit Nefta?

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

2.9
Sightseeing
9th-best month of the year
6.4
Beach & pool
5th-best month of the year

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

What to pack for Nefta in September

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

In September, Nefta sees daytime highs around 36°C and nights near 24°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Nefta 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 Nefta peaks around June 19 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 19UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr6High
May7Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Nefta 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 Nefta is worst in April — around 62 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (December, 33 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateApr 1961 µg/m³Dec 1234 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb38Poor
Mar48Poor
Apr62Unhealthy
May56Unhealthy
Jun56Unhealthy
Jul43Poor
Aug39Poor
Sep39Poor
Oct36Poor
Nov36Poor
Dec33Moderate
Location & terrain

Where is Nefta?

Nefta sits at 33.9°N, 7.9°E, 65 m above sea level, in Tunisia. The nearest listed city is Tozeur, 24 km away.

Ar RudayyifMetlaouiMoularèsBir el AterKebiliEl Ksar

Topography around Nefta

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

Within 3 km, the terrain around Nefta has only modest variations in elevation — a maximum elevation change of 122 m around an average of 65 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, large variations in elevation — a maximum elevation change of 954 m.

The land around Nefta is covered by bare terrain (61%) and trees (28%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (99%) within 80 km.

3 km
122 m
16 km
204 m
80 km
954 m
treesshrubsartificial surfacesbare terrain
September weather nearby: Tozeur 24 km · Ar Rudayyif 62 km · Metlaoui 69 km · Moularès 77 km · Debila 95 km · Bir el Ater 98 km · Kebili 103 km · El Ksar 103 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 Nefta (33.8731°, 7.8777°, elevation 65 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).