Xizhi weather in September

In September, Xizhi sees average daytime highs of 28°C and overnight lows near 25°C, with 257 mm of rain across 17.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 23% 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 Xizhi's 2nd-clearest and 6th-windiest month. For the whole year in context, see Xizhi's year-round climate.

Daytime high
28°
4th warmest
Overnight low
25°
9th coldest
Rainfall
257 mm
17.8 wet days
Daylight
12 h 06 min
5:43 AM – 5:52 PM
Cloud cover
65%
2nd clearest
Wind
13 km/h
6th windiest
Solar energy
4.62 kWh/m²
Travel score
4.9
out of 10

Xizhi is A district in New Taipei City, Taiwan.

Density
2,872/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 27°C by the end.

A typical September day in Xizhi reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°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 2°C cooler than August and about 3°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202725
212725
222724
232724
242724
252724
262724
272724
282724
292724
302624

How September really feels in Xizhi

Once humidity and wind are folded in, September averages 11 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
11
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.

Xizhi 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
Jan17° / 14°17820.310.64.1
Feb18° / 14°15917.511.14.4
Mar20° / 16°14017.411.85.0
Apr23° / 19°13115.512.65.7
May26° / 22°18317.513.25.4
Jun29° / 25°16616.213.54.5
Jul30° / 27°1441413.44.4
Aug30° / 26°22017.612.94.2
Sep28° / 25°25717.812.24.9
Oct25° / 22°30919.311.45.3
Nov22° / 19°27319.110.85.1
Dec19° / 16°21919.210.54.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74456
84456
94456
104654
114654
124654
134654
144753
154654
164555
174456
184357
194357
204357
214159
224159
234159
244060
254060
263961
273862
283862
293763
303763

Chance of precipitation in September

Any precipitation

Xizhi gets around 257 mm of rain over 17.8 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 59% and peaks near 64% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
159
259
359
459
559
659
758
858
958
1057
1157
1257
1357
1457
1557
1658
1758
1859
1959
2059
2160
2260
2360
2460
2561
2661
2762
2863
2963
3064

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10053065
20053263
30063361
40073558
50073657
60083755
70193852
80193951
901103949
1002114048
1102124046
1203134144
1303144142
1404144240
1505154238
1605164336
1706174334
1806184432
1907184530
2007194628
2108204725
2218204824
2319214822
2419214920
2519225019
26110225017
27110225116
28110235115
29111235114
30212235013

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2815light breeze
2915light breeze
3015light 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 5:38 AM to 5:49 AM, and sunset from 6:09 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:386:09
212.55:386:07
312.55:386:06
412.45:396:05
512.45:396:04
612.45:406:03
712.45:406:02
812.35:406:01
912.35:416:00
1012.35:415:59
1112.35:415:58
1212.25:425:57
1312.25:425:55
1412.25:435:54
1512.25:435:53
1612.15:435:52
1712.15:445:51
1812.15:445:50
1912.15:445:49
2012.05:455:48
2112.05:455:46
2212.05:465:45
2312.05:465:44
2411.95:465:43
2511.95:475:42
2611.95:475:41
2711.95:485:40
2811.85:485:39
2911.85:485:38
3011.85:495:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 5.92 kWh/m² in July across the year — September's 4.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.0Bright
304.0Bright
Planning a trip in September

Hazard calendar for Xizhi

In seasonPeak

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

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

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

Is September a good time to visit Xizhi?

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

4.9
Sightseeing
6th-best month of the year
5.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Xizhi for sightseeing.

What to pack for Xizhi in September

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

In September, Xizhi sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Xizhi 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 23 km away) is warmest in August at about 28°C and coldest in January near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Refreshing
May25Warm
Jun27Warm
Jul28Tropical
Aug28Tropical
Sep27Warm
Oct26Warm
Nov24Warm
Dec23Refreshing

UV index in Xizhi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xizhi peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highVery highHighJun 18UV 11Dec 22UV 4
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul11Extreme
Aug9Very high
Sep11Extreme
Oct8Very high
Nov7High
Dec4Moderate

Air quality in Xizhi 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 Xizhi is worst in April — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateApr 1052 µg/m³Oct 1626 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb43Poor
Mar51Poor
Apr52Poor
May44Poor
Jun41Poor
Jul32Moderate
Aug32Moderate
Sep30Moderate
Oct25Moderate
Nov32Moderate
Dec32Moderate
Location & terrain

Where is Xizhi?

Xizhi sits at 25.1°N, 121.7°E, 16 m above sea level, in Taiwan. The nearest listed city is Neihu, 7.0 km away.

DanshuiShulin

Topography around Xizhi

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

Within 3 km, the terrain around Xizhi has significant variations in elevation — a maximum elevation change of 578 m around an average of 107 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,105 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,601 m.

The land around Xizhi is covered by trees (71%) and artificial surfaces (26%) within 3 km, trees (78%) within 16 km, and water (58%) and trees (35%) within 80 km.

3 km
578 m
16 km
1,105 m
80 km
3,601 m
treescroplandartificial surfaceswater
September weather nearby: Neihu 7.0 km · Keelung 11 km · Taipei 14 km · Jiufen 19 km · Banqiao 20 km · New Taipei City 20 km · Danshui 25 km · Shulin 25 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 Xizhi (25.0662°, 121.6599°, elevation 16 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).