Sidi Okba weather in September

In September, Sidi Okba sees average daytime highs of 35°C and overnight lows near 24°C, with 14 mm of rain across 2.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-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 69% of the time in September, and the air most often feels dry.

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 Sidi Okba's 5th-clearest and 8th-windiest month. For the whole year in context, see Sidi Okba's year-round climate.

Daytime high
35°
4th warmest
Overnight low
24°
9th coldest
Rainfall
14 mm
2.1 wet days
Daylight
12 h 12 min
6:24 AM – 6:37 PM
Cloud cover
31%
5th clearest
Wind
10 km/h
8th windiest
Solar energy
5.7 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 Sidi Okba reaches about 35°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 30°C and 39°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)
13827
23726
33726
43726
53726
63726
73626
83625
93625
103625
113625
123525
133525
143524
153524
163524
173424
183424
193424
203423
213423
223323
233323
243323
253322
263222
273222
283222
293222
303221

How September really feels in Sidi Okba

Once humidity and wind are folded in, September averages 28 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
28
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.

Sidi Okba weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 132.29.96.9
Feb19° / 81.910.77.8
Mar23° / 12°152.411.78.5
Apr27° / 16°152.512.88.0
May32° / 21°51.213.84.9
Jun38° / 26°20.714.31.6
Jul41° / 29°00.114.10.0
Aug40° / 28°30.913.30.3
Sep35° / 24°142.112.23.4
Oct29° / 18°122.211.17.0
Nov22° / 12°12210.28.4
Dec18° / 112.39.77.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% 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 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28812
38812
48614
58614
68515
78515
88317
98317
108218
118218
128020
138020
148020
157921
167822
177822
187822
197723
207624
217624
227624
237624
247624
257624
267624
277723
287723
297723
307723

Chance of precipitation in September

Any precipitation

Sidi Okba gets around 14 mm of rain over 2.1 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 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
26
36
46
56
66
76
86
96
105
115
125
135
145
155
166
176
186
197
207
217
228
238
248
258
269
279
289
299
309

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14438153
24438153
34438153
44338163
54337164
64337164
74436164
84536164
94635154
104735154
114834144
124933143
135133133
145232133
155232133
165332132
175431132
185431132
195431132
205431132
215531131
225531131
235531131
245531131
255630131
265630131
275630131
285630131
295829121
305829121

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:13 AM to 6:35 AM, and sunset from 6:59 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:136:59
212.76:146:58
312.76:156:56
412.76:156:55
512.66:166:53
612.66:176:52
712.56:186:50
812.56:186:49
912.56:196:48
1012.46:206:46
1112.46:216:45
1212.46:216:43
1312.36:226:42
1412.36:236:40
1512.36:246:39
1612.26:246:37
1712.26:256:36
1812.16:266:34
1912.16:276:33
2012.16:276:31
2112.06:286:30
2212.06:296:28
2312.06:306:27
2411.96:306:25
2511.96:316:24
2611.86:326:22
2711.86:336:21
2811.86:336:19
2911.76:346:18
3011.76:356:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.7 kWh/m².

For context, solar energy here swings from a low near 2.84 kWh/m² to a high of 7.73 kWh/m² in June across the year — September's 5.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.0Intense
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
Planning a trip in September

Hazard calendar for Sidi Okba

In seasonPeak

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

Sidi Okba 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 Sidi Okba?

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

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

What to pack for Sidi Okba in September

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

In September, Sidi Okba sees daytime highs around 35°C and nights near 24°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Sidi Okba 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 Sidi Okba peaks around June 19 at about 9 (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 9Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep7Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sidi Okba 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 Sidi Okba is worst in June — around 46 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (December, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJun 1745 µg/m³Dec 1418 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar28Moderate
Apr37Poor
May38Poor
Jun46Poor
Jul39Poor
Aug36Poor
Sep35Moderate
Oct27Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Sidi Okba?

Sidi Okba sits at 34.7°N, 5.9°E, 53 m above sea level, in Algeria. The nearest listed city is Biskra, 19 km away.

Topography around Sidi Okba

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

Within 3 km, the terrain around Sidi Okba has only modest variations in elevation — a maximum elevation change of 39 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 513 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,325 m.

The land around Sidi Okba is covered by bare terrain (54%) and trees (26%) within 3 km, bare terrain (76%) within 16 km, and bare terrain (70%) and grassland (20%) within 80 km.

3 km
39 m
16 km
513 m
80 km
2,325 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
September weather nearby: Biskra 19 km · Tolga 48 km · Zeribet el Oued 56 km · Arris 70 km · Aïn Touta 70 km · Ouled Djellal 84 km · Barika 86 km · El Meghaïer 88 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
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 Sidi Okba (34.7451°, 5.8983°, elevation 53 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).