Al Bayda weather in September

In September, Al Bayda sees average daytime highs of 28°C and overnight lows near 17°C, with 55 mm of rain across 14.5 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 3rd-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 49% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Al Bayda's 9th-clearest and 10th-windiest month. For the whole year in context, see Al Bayda's year-round climate.

Daytime high
28°
5th warmest
Overnight low
17°
8th coldest
Rainfall
55 mm
14.5 wet days
Daylight
12 h 06 min
5:50 AM – 5:54 PM
Cloud cover
41%
9th clearest
Wind
6 km/h
10th windiest
Solar energy
5.89 kWh/m²
Travel score
5.7
out of 10

Al Bayda is city in Yemen.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Al Bayda reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°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 on par with August and about 2°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232816
242816
252816
262816
272816
282816
292816
302816

Al Bayda weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 11°61.511.38.9
Feb24° / 12°81.911.58.9
Mar26° / 14°215.711.98.1
Apr27° / 15°305.712.37.6
May29° / 17°357.312.66.1
Jun31° / 19°379.612.84.8
Jul30° / 19°7319.212.74.2
Aug28° / 19°9824.212.54.2
Sep28° / 17°5514.512.15.7
Oct27° / 14°102.211.78.5
Nov25° / 12°30.811.49.3
Dec23° / 11°20.611.29.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 33% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28119
38119
48119
58119
68119
78119
88119
98020
108020
118020
128119
138119
148119
158119
168119
178119
188119
198119
208119
218119
228218
238218
248218
258218
268317
278317
288317
298416
308317

Chance of precipitation in September

Any precipitation

Al Bayda gets around 55 mm of rain over 14.5 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 49% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
174
274
373
471
570
669
768
866
964
1063
1161
1259
1357
1455
1553
1650
1748
1845
1942
2039
2137
2234
2331
2429
2527
2625
2723
2821
2919
3017

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11527553
21628542
31729522
41930502
52031471
62232451
72433421
82634391
92835361
103036340
113336310
123537280
133837250
144037230
154337200
164636180
174935160
185234140
195533120
205832100
21613090
22642880
23662770
24692560
25712450
26732340
27742240
28762130
29772030
30781930

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over September. Sunrise moves from 5:49 AM to 5:50 AM, and sunset from 6:06 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:496:06
212.35:496:05
312.25:496:04
412.25:496:03
512.25:496:03
612.25:496:02
712.25:496:01
812.25:496:00
912.25:506:00
1012.25:505:59
1112.15:505:58
1212.15:505:57
1312.15:505:57
1412.15:505:56
1512.15:505:55
1612.15:505:54
1712.15:505:54
1812.15:505:53
1912.05:505:52
2012.05:505:51
2112.05:505:50
2212.05:505:50
2312.05:505:49
2412.05:505:48
2512.05:505:47
2611.95:505:47
2711.95:505:46
2811.95:505:45
2911.95:505:44
3011.95:505:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.89 kWh/m².

For context, solar energy here swings from a low near 5.65 kWh/m² to a high of 7.07 kWh/m² in April across the year — September's 5.89 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Al Bayda

In seasonPeak

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

Al Bayda sees seasonal dust haze (May–September), heaviest in July.

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

Is September a good time to visit Al Bayda?

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

5.7
Sightseeing
9th-best month of the year
6.4
Beach & pool
10th-best month of the year

September is a reasonable time to visit Al Bayda for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Al Bayda in September

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

In September, Al Bayda sees daytime highs around 28°C and nights near 17°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Al Bayda in September

The nearest coast averages about 30°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 68 km away) is warmest in June at about 31°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr28Tropical
May30Tropical
Jun31Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov28Warm
Dec27Warm

UV index in Al Bayda in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Al Bayda peaks around April 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 15Dec 11UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul10Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Al Bayda 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 Al Bayda is worst in July — around 45 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (November, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1344 µg/m³Nov 1419 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb35Moderate
Mar27Moderate
Apr25Moderate
May28Moderate
Jun41Poor
Jul45Poor
Aug33Moderate
Sep28Moderate
Oct21Moderate
Nov19Moderate
Dec23Moderate
Location & terrain

Where is Al Bayda?

Al Bayda sits at 14.0°N, 45.6°E, 2,005 m above sea level, in Yemen. The nearest listed city is Zinjibār, 97 km away.

ZinjibārLaḩijYarīmDhamārAdenAtaqIbbDhī as Sufāl

Topography around Al Bayda

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

Within 3 km, the terrain around Al Bayda has only modest variations in elevation — a maximum elevation change of 209 m around an average of 2,024 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,255 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,509 m.

The land around Al Bayda is covered by bare terrain (68%) within 3 km, bare terrain (62%) and shrubs (28%) within 16 km, and bare terrain (71%) and shrubs (24%) within 80 km.

3 km
209 m
16 km
1,255 m
80 km
2,509 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Zinjibār 97 km · Laḩij 127 km · Yarīm 133 km · Dhamār 140 km · Aden 146 km · Ataq 149 km · Ibb 150 km · Dhī as Sufāl 158 km

Yemen travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / D / G
240 V · 50 Hz
Prices
≈ 7% of US
price level, 2013
GDP per capita
$634
2018
Happiness
3.5 / 10
World Happiness, 2025
Homicide rate
5.8
per 100k, 2013
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 402
Religion
Muslim 99%other 1%

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 Al Bayda (13.9852°, 45.5727°, elevation 2,005 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).