An-Najaylah weather in September

In September, An-Najaylah sees average daytime highs of 28°C and overnight lows near 23°C, with 1 mm of rain across 0.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 96% 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 An-Najaylah's 4th-clearest and 11th-windiest month. For the whole year in context, see An-Najaylah's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
1 mm
0.1 wet days
Daylight
12 h 12 min
6:02 AM – 6:14 PM
Cloud cover
9%
4th clearest
Wind
16 km/h
11th windiest
Solar energy
6.04 kWh/m²
Travel score
8.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in An-Najaylah reaches about 28°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112823
122823
132823
142823
152823
162823
172823
182723
192723
202723
212723
222723
232723
242723
252723
262723
272722
282722
292722
302722

An-Najaylah weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 12°326.210.26.0
Feb17° / 12°194.310.96.5
Mar18° / 13°92.211.87.5
Apr21° / 15°30.812.78.4
May23° / 18°20.513.69.2
Jun26° / 21°00149.4
Jul28° / 23°0013.88.8
Aug29° / 24°0013.18.1
Sep28° / 23°10.112.28.8
Oct25° / 21°71.811.28.8
Nov22° / 17°193.410.48.0
Dec18° / 14°285.5106.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 96% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 2% of September, with mostly cloudy or overcast conditions the remaining 2%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21982
22973
23973
24973
25973
26964
27964
28964
29955
30946

Chance of precipitation in September

Any precipitation

An-Najaylah gets around 1 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
191
201
211
221
231
241
251
261
271
281
291
301

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1011344411
2021444391
3021645371
4021745351
5031846321
6031947301
7032048281
8042149261
9042250241
10042351220
11042353200
12042453190
13052553170
14052554160
15052654150
16052754140
17062853130
18062953120
19063053110
20073151110
21073251100
22083349100
2309344890
2409354790
25010364580
26011374480
27112384370
28112394170
29113404060
30114403960

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 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light 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 5:53 AM to 6:11 AM, and sunset from 6:34 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:536:34
212.65:546:32
312.65:546:31
412.65:556:30
512.55:566:28
612.55:566:27
712.55:576:26
812.45:576:24
912.45:586:23
1012.45:596:22
1112.45:596:20
1212.36:006:19
1312.36:016:18
1412.36:016:16
1512.26:026:15
1612.26:026:14
1712.26:036:12
1812.16:046:11
1912.16:046:10
2012.16:056:08
2112.06:056:07
2212.06:066:06
2312.06:076:04
2411.96:076:03
2511.96:086:01
2611.96:096:00
2711.86:095:59
2811.86:105:57
2911.86:105:56
3011.76:115:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.04 kWh/m².

For context, solar energy here swings from a low near 2.91 kWh/m² to a high of 7.94 kWh/m² in June across the year — September's 6.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for An-Najaylah

In seasonPeak

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

An-Najaylah sees seasonal dust haze (April–May), heaviest in April.

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

Is September a good time to visit An-Najaylah?

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

8.8
Sightseeing
3rd-best month of the year
9.2
Beach & pool
3rd-best month of the year

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

What to pack for An-Najaylah in September

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

In September, An-Najaylah sees daytime highs around 28°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near An-Najaylah in September

The nearest coast averages about 27°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 25 km away) is warmest in August at about 27°C and coldest in March near 17°C.

It's comfortable for a long swim from May 15 to Dec 17 — about 7.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug27Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in An-Najaylah in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in An-Najaylah peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr9Very high
May9Very high
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in An-Najaylah 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 An-Najaylah is worst in January — around 29 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (July, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1928 µg/m³Sep 1411 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb23Moderate
Mar24Moderate
Apr22Moderate
May17Moderate
Jun13Moderate
Jul11Good
Aug12Good
Sep11Good
Oct12Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is An-Najaylah?

An-Najaylah sits at 31.4°N, 26.6°E, 112 m above sea level, in Egypt. The nearest listed city is Marsá Maţrūḩ, 62 km away.

Sīdī BarānīAs SallūmEl DabaaSiwaAl ḨammāmBurj al ‘Arab

Topography around An-Najaylah

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

Within 3 km, the terrain around An-Najaylah has only modest variations in elevation — a maximum elevation change of 34 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 250 m.

The land around An-Najaylah is covered by bare terrain (74%) and cropland (20%) within 3 km, bare terrain (63%) and cropland (20%) within 16 km, and bare terrain (62%) and water (31%) within 80 km.

3 km
34 m
16 km
162 m
80 km
250 m
grasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Marsá Maţrūḩ 62 km · Sīdī Barānī 66 km · As Sallūm 136 km · El Dabaa 182 km · Tobruk 260 km · Siwa 265 km · Al Ḩammām 274 km · Burj al ‘Arab 288 km

Egypt travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 15% of US
price level, 2025
GDP per capita
$3,086
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
79%
of population, 2024
Homicide rate
1.3
per 100k, 2017
Road deaths
10.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 459
Religion
Muslim 90%Christian 10%

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 An-Najaylah (31.4071°, 26.5832°, elevation 112 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).