Xizhou weather in September

In September, Xizhou sees average daytime highs of 29°C and overnight lows near 23°C, with 255 mm of rain across 22.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 25% of the time in September, and the air most often feels oppressive.

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 Xizhou's 8th-clearest and 10th-windiest month. For the whole year in context, see Xizhou's year-round climate.

Daytime high
29°
4th warmest
Overnight low
23°
9th coldest
Rainfall
255 mm
22.5 wet days
Daylight
12 h 06 min
5:47 AM – 5:56 PM
Cloud cover
63%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
4.78 kWh/m²
Travel score
4.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Xizhou reaches about 29°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292822
302822

How September really feels in Xizhou

Once humidity and wind are folded in, September averages 7 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
7
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.

Xizhou weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 13°68910.76.6
Feb20° / 14°9810.911.26.2
Mar22° / 16°12912.911.86.4
Apr25° / 19°15014.712.66.1
May27° / 22°22218.713.25.1
Jun29° / 23°28822.113.53.7
Jul30° / 24°34424.713.43.3
Aug29° / 24°43927.612.83.1
Sep29° / 23°25522.512.24.1
Oct27° / 21°9311.111.46.6
Nov24° / 18°506.510.87.8
Dec21° / 15°567.510.57.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22971
33070
43169
53268
63367
73466
83664
93763
103961
114159
124258
134357
144555
154852
164852
175050
185050
195248
205248
215347
225545
235644
245644
255743
265842
275842
285941
295941
306139

Chance of precipitation in September

Any precipitation

Xizhou gets around 255 mm of rain over 22.5 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 74% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
285
385
485
584
684
784
883
982
1082
1181
1279
1378
1477
1575
1674
1772
1871
1970
2068
2167
2267
2366
2465
2564
2663
2763
2862
2961
3060

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1008875
2019864
3019864
40110863
50111853
60111853
70112843
80112843
90113833
100214813
110215803
120216793
130217783
140319753
150320743
160321733
170323713
180324703
190425683
200426673
210427663
220528652
230529642
240629632
251630612
261730611
271831591
281931581
291931581
3011032561

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:42 AM to 5:53 AM, and sunset from 6:12 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:426:12
212.55:426:11
312.45:436:10
412.45:436:09
512.45:446:08
612.45:446:07
712.45:446:06
812.35:456:04
912.35:456:03
1012.35:456:02
1112.35:466:01
1212.25:466:00
1312.25:465:59
1412.25:475:58
1512.25:475:57
1612.15:475:56
1712.15:485:55
1812.15:485:54
1912.15:485:52
2012.05:495:51
2112.05:495:50
2212.05:505:49
2312.05:505:48
2411.95:505:47
2511.95:515:46
2611.95:515:45
2711.95:515:44
2811.85:525:43
2911.85:525:42
3011.85:535:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.78 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.5 kWh/m² in July across the year — September's 4.78 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
Planning a trip in September

Hazard calendar for Xizhou

In seasonPeak

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

Xizhou sits in the Pacific typhoon belt; the season peaks July–October.

Xizhou'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 Xizhou?

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

4.1
Sightseeing
9th-best month of the year
5.0
Beach & pool
5th-best month of the year

September is a reasonable time to visit Xizhou for sightseeing.

What to pack for Xizhou in September

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

In September, Xizhou sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Xizhou 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 13 km away) is warmest in August at about 29°C and coldest in January near 19°C.

It's comfortable for a long swim from Mar 2 to Dec 29 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar21Refreshing
Apr24Refreshing
May26Warm
Jun27Warm
Jul28Tropical
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Refreshing
Dec21Refreshing

UV index in Xizhou 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 Xizhou peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighJun 16UV 12Dec 21UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun13Extreme
Jul10Extreme
Aug12Extreme
Sep9Very high
Oct7Very high
Nov7High
Dec6High

Air quality in Xizhou 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 Xizhou is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1855 µg/m³Jul 1133 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb48Poor
Mar56Unhealthy
Apr50Poor
May41Poor
Jun34Moderate
Jul33Moderate
Aug36Poor
Sep41Poor
Oct38Poor
Nov41Poor
Dec39Poor
Location & terrain

Where is Xizhou?

Xizhou sits at 24.3°N, 120.7°E, 175 m above sea level, in Taiwan. The nearest listed city is Buzi, 14 km away.

WufengChang-huaChanghuaCaotunMiaoliZhongxing New Village

Topography around Xizhou

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

Within 3 km, the terrain around Xizhou has only modest variations in elevation — a maximum elevation change of 92 m around an average of 180 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 849 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,841 m.

The land around Xizhou is covered by artificial surfaces (39%) and cropland (31%) within 3 km, trees (37%), artificial surfaces (31%) and cropland (22%) within 16 km, and trees (54%) and water (29%) within 80 km.

3 km
92 m
16 km
849 m
80 km
3,841 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Buzi 14 km · Taichung 14 km · Wufeng 24 km · Chang-hua 26 km · Changhua 27 km · Caotun 33 km · Miaoli 35 km · Zhongxing New Village 35 km

Taiwan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
110 / 220 V · 60 Hz
Happiness
6.7 / 10
World Happiness, 2025
Religion
Buddhist 35%Taoist 33%none or unspecified 18%folk religion approximately 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 Xizhou (24.2767°, 120.6892°, elevation 175 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).