Tai Wo Hau weather in September

In September, Tai Wo Hau sees average daytime highs of 30°C and overnight lows near 26°C, with 204 mm of rain across 16.6 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 34% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Tai Wo Hau's 5th-clearest and 11th-windiest month. For the whole year in context, see Tai Wo Hau's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
26°
9th coldest
Rainfall
204 mm
16.6 wet days
Daylight
12 h 06 min
6:14 AM – 6:22 PM
Cloud cover
60%
5th clearest
Wind
13 km/h
11th windiest
Solar energy
5.12 kWh/m²
Travel score
4.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Tai Wo Hau reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
262925
272925
282925
292925
302925

How September really feels in Tai Wo Hau

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.

Tai Wo Hau weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°244.110.87.0
Feb20° / 15°346.411.26.5
Mar22° / 18°589.411.86.5
Apr25° / 21°10712.712.56.1
May28° / 25°20917.913.14.7
Jun30° / 27°30222.513.33.4
Jul31° / 27°24721.213.23.4
Aug31° / 27°31222.712.83.3
Sep30° / 26°20416.612.14.3
Oct28° / 24°706.711.56.9
Nov24° / 20°344.710.98.0
Dec20° / 16°293.810.77.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33763
43862
53961
64060
74159
84258
94456
104555
114753
124852
135050
145149
155248
165446
175446
185545
195644
205743
215743
225842
235842
245941
255941
266139
276139
286238
296337
306337

Chance of precipitation in September

Any precipitation

Tai Wo Hau gets around 204 mm of rain over 16.6 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 55% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
269
368
467
567
666
765
864
963
1062
1161
1260
1358
1457
1555
1654
1753
1852
1950
2049
2148
2247
2346
2444
2543
2642
2741
2840
2939
3038

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1001891
2001990
30011188
40011287
50021484
60021682
70031780
80031978
90132175
100142273
110152470
120152668
130162766
140172963
150283060
160293257
1702103355
1802113552
1902123749
2002133846
2102144044
2202154241
2302164338
2412174536
2512184633
2612194731
2713194829
2813204927
2923224925
3023234923

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712light breeze
812light breeze
912light breeze
1012light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over September. Sunrise moves from 6:10 AM to 6:18 AM, and sunset from 6:37 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:106:37
212.46:106:36
312.46:106:35
412.46:116:34
512.46:116:33
612.36:116:32
712.36:116:31
812.36:126:30
912.36:126:29
1012.36:126:28
1112.26:136:27
1212.26:136:26
1312.26:136:25
1412.26:136:24
1512.16:146:23
1612.16:146:22
1712.16:146:21
1812.16:156:20
1912.16:156:19
2012.06:156:18
2112.06:156:16
2212.06:166:15
2312.06:166:14
2412.06:166:13
2511.96:176:12
2611.96:176:11
2711.96:176:10
2811.96:186:09
2911.86:186:08
3011.86:186:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.12 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.67 kWh/m² in July across the year — September's 5.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Tai Wo Hau

In seasonPeak

In September, Tai Wo Hau sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Tai Wo Hau sits in the Pacific typhoon belt; the season peaks July–October.

Tai Wo Hau's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Tai Wo Hau?

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

4.3
Sightseeing
9th-best month of the year
5.9
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Tai Wo Hau for sightseeing.

What to pack for Tai Wo Hau in September

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

In September, Tai Wo Hau sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Tai Wo Hau in September

The nearest coast averages about 28°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 26 km away) is warmest in August at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 18 to Dec 18 — about 9.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Cool
Apr23Refreshing
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov24Refreshing
Dec20Refreshing

UV index in Tai Wo Hau 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 Tai Wo Hau peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 12Jan 11UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar9Very high
Apr9Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Tai Wo Hau 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 Tai Wo Hau is worst in January — around 183 µg/m³ PM2.5 (very unhealthy), about 2.5× the cleanest month (July, 73 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyVery unhealthyJan 21181 µg/m³Jul 1674 µg/m³
PM2.5 (µg/m³)Level
Jan183Very unhealthy
Feb175Very unhealthy
Mar165Very unhealthy
Apr149Unhealthy
May115Unhealthy
Jun83Unhealthy
Jul73Unhealthy
Aug85Unhealthy
Sep119Unhealthy
Oct127Unhealthy
Nov157Very unhealthy
Dec156Very unhealthy
Location & terrain

Where is Tai Wo Hau?

Tai Wo Hau sits at 22.4°N, 114.1°E, 38 m above sea level, in Hong Kong. The nearest listed city is Tsuen Wan, 1.0 km away.

Mei FooMei Foo Sun ChuenSo Uk Estate

Topography around Tai Wo Hau

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

Within 3 km, the terrain around Tai Wo Hau has significant variations in elevation — a maximum elevation change of 576 m around an average of 118 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 941 m; within 80 km, large variations in elevation — a maximum elevation change of 1,012 m.

The land around Tai Wo Hau is covered by trees (55%) and artificial surfaces (33%) within 3 km, trees (49%) and water (29%) within 16 km, and water (58%) and trees (24%) within 80 km.

3 km
576 m
16 km
941 m
80 km
1,012 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tsuen Wan 1.0 km · Kwai Chung 2.0 km · Discovery Park 2.0 km · Shek Lei 2.0 km · Tsing Yi Town 3.0 km · Mei Foo 4.0 km · Mei Foo Sun Chuen 4.0 km · So Uk Estate 4.0 km

Hong Kong travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
220 V · 50 Hz
Prices
≈ 71% of US
price level, 2025
GDP per capita
$56,983
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.4
per 100k, 2023
Income group
High
World Bank
English
Moderate
EF EPI 538
Religion
other or none 54%Buddhist or Taoist 28%Protestant 7%Roman Catholic 5%

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 Tai Wo Hau (22.3672°, 114.1235°, elevation 38 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).