Mocha weather in September

In September, Mocha sees average daytime highs of 34°C and overnight lows near 30°C, with 16 mm of rain across 2 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 65% of the time in September, and the air most often feels miserable.

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 Mocha's 9th-clearest and 12th-windiest month. For the whole year in context, see Mocha's year-round climate.

Daytime high
34°
4th warmest
Overnight low
30°
10th coldest
Rainfall
16 mm
2 wet days
Daylight
12 h 06 min
5:59 AM – 6:04 PM
Cloud cover
36%
9th clearest
Wind
17 km/h
12th windiest
Solar energy
5.77 kWh/m²
Travel score
3.8
out of 10

Mocha 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 34°C through the month.

A typical September day in Mocha reaches about 34°C in the afternoon and slips back to 30°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 35°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13430
23430
33430
43430
53430
63430
73430
83430
93430
103430
113430
123430
133430
143430
153430
163430
173430
183430
193430
203430
213430
223430
233430
243430
253430
263330
273330
283330
293329
303329

How September really feels in Mocha

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
30 feel dangerously hot (≥ 39°C)
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.

Mocha 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
Jan28° / 24°101.811.38.3
Feb28° / 24°41.411.67.8
Mar30° / 25°71.611.96.5
Apr32° / 27°71.312.35.3
May33° / 29°30.612.64.4
Jun34° / 30°20.212.83.7
Jul35° / 30°201.512.73.4
Aug34° / 30°414.212.43.4
Sep34° / 30°16212.13.8
Oct32° / 28°91.611.75.0
Nov30° / 26°20.611.46.5
Dec29° / 24°71.211.27.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58218
68317
78317
88317
98317
108317
118416
128416
138416
148416
158416
168416
178416
188416
198515
208515
218515
228614
238614
248614
258713
268713
278713
288713
298713
308713

Chance of precipitation in September

Any precipitation

Mocha gets around 16 mm of rain over 2 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 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
110
29
39
49
59
69
78
88
98
108
117
127
137
146
156
166
176
186
196
206
216
226
236
246
256
266
276
286
296
306

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10298
20298
30298
40298
50199
60199
70199
80199
90199
100199
110199
120199
130199
140199
150199
160199
170199
180199
190298
200298
210397
221495
231594
241693
251891
2611089
2711287
2811485
2911683
3021979

Wind in September

Winds average 17 km/h in September, the calmest month.

Across September, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1816light breeze
1916light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2818light breeze
2918light breeze
3018light breeze

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 5:59 AM to 5:59 AM, and sunset from 6:15 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:596:15
212.25:596:14
312.25:596:13
412.25:596:12
512.25:596:12
612.25:596:11
712.25:596:10
812.25:596:09
912.25:596:09
1012.15:596:08
1112.15:596:07
1212.15:596:07
1312.15:596:06
1412.15:596:05
1512.15:596:04
1612.15:596:04
1712.15:596:03
1812.05:596:02
1912.05:596:01
2012.05:596:01
2112.05:596:00
2212.05:595:59
2312.05:595:58
2412.05:595:58
2512.05:595:57
2611.95:595:56
2711.95:595:55
2811.95:595:55
2911.95:595:54
3011.95:595:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.77 kWh/m².

For context, solar energy here swings from a low near 5.35 kWh/m² to a high of 6.89 kWh/m² in April across the year — September's 5.77 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Mocha

In seasonPeak

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

Mocha 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 Mocha?

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

3.8
Sightseeing
9th-best month of the year
7.4
Beach & pool
10th-best month of the year

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

What to pack for Mocha in September

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

In September, Mocha sees daytime highs around 34°C and nights near 30°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Mocha in September

The nearest coast averages about 31°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 15 km away) is warmest in September 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
Mar26Warm
Apr28Warm
May30Tropical
Jun31Tropical
Jul31Tropical
Aug31Tropical
Sep31Tropical
Oct30Tropical
Nov28Warm
Dec26Warm

UV index in Mocha in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mocha peaks around April 10 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 12Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep10Very high
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Mocha 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 Mocha is worst in July — around 55 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (November, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1355 µg/m³Nov 1923 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb34Moderate
Mar35Moderate
Apr31Moderate
May33Moderate
Jun51Poor
Jul55Unhealthy
Aug46Poor
Sep38Poor
Oct27Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Mocha?

Mocha sits at 13.3°N, 43.2°E, 1 m above sea level, in Yemen. The nearest listed city is Assab, 65 km away.

TaizZabīdDhī as SufālIbbBayt al FaqīhObockYarīm

Topography around Mocha

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

Within 3 km, the terrain around Mocha has only modest variations in elevation — a maximum elevation change of 18 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,327 m.

The land around Mocha is covered by bare terrain (56%) and water (33%) within 3 km, water (50%) and bare terrain (45%) within 16 km, and water (48%) and bare terrain (34%) within 80 km.

3 km
18 m
16 km
97 m
80 km
2,327 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Assab 65 km · Taiz 88 km · Zabīd 98 km · Dhī as Sufāl 110 km · Ibb 124 km · Bayt al Faqīh 133 km · Obock 150 km · Yarīm 163 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 Mocha (13.3181°, 43.2499°, elevation 1 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).