Gotō weather in September

In September, Gotō sees average daytime highs of 26°C and overnight lows near 24°C, with 197 mm of rain across 12.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Gotō's 2nd-clearest and 7th-windiest month. For the whole year in context, see Gotō's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
197 mm
12.1 wet days
Daylight
12 h 12 min
6:13 AM – 6:25 PM
Cloud cover
54%
2nd clearest
Wind
24 km/h
7th windiest
Solar energy
4.46 kWh/m²
Travel score
6.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical September day in Gotō reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12726
22725
32725
42725
52725
62725
72625
82625
92625
102625
112625
122625
132624
142624
152624
162624
172524
182524
192524
202524
212523
222523
232523
242523
252423
262423
272423
282423
292423
302422

How September really feels in Gotō

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gotō weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 8612.410.12.4
Feb11° / 8610.710.82.7
Mar14° / 11°13511.511.83.7
Apr16° / 14°14810.112.85.1
May20° / 18°1549.413.76.2
Jun23° / 21°30814.114.15.8
Jul26° / 25°22511.913.96.2
Aug28° / 26°16212.613.26.1
Sep26° / 24°19712.112.26.5
Oct22° / 20°1267.311.27.2
Nov18° / 16°999.410.35.8
Dec13° / 11°8711.49.93.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45347
55347
65347
75248
85248
95248
105446
115446
125446
135446
145446
155446
165446
175446
185446
195446
205446
215446
225446
235446
245545
255545
265545
275644
285644
295743
305743

Chance of precipitation in September

Any precipitation

Gotō gets around 197 mm of rain over 12.1 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 40% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
246
345
445
544
644
743
843
943
1042
1142
1241
1341
1440
1540
1640
1739
1839
1938
2038
2137
2237
2337
2436
2535
2635
2734
2833
2933
3032

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1003204136
2003224233
3004234330
4004244328
5015254325
6015274424
7016284422
8017294320
9027304318
10028314217
11039314116
120310324015
130412323814
140513323713
150614323512
160716323311
171817323211
181918323010
191102032299
201102132278
211122232268
221132331257
232142431236
242152531226
252162630215
263172630194
273192729184
284202728173
295212828163
305232827152

Wind in September

Winds average 24 km/h in September.

Across September, daily wind ranges from about 23 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 6:03 AM to 6:23 AM, and sunset from 6:46 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:036:46
212.76:046:44
312.66:056:43
412.66:056:42
512.66:066:40
612.56:076:39
712.56:076:38
812.56:086:36
912.46:096:35
1012.46:096:33
1112.46:106:32
1212.36:116:31
1312.36:116:29
1412.36:126:28
1512.26:126:26
1612.26:136:25
1712.26:146:24
1812.16:146:22
1912.16:156:21
2012.16:166:19
2112.06:166:18
2212.06:176:17
2312.06:186:15
2411.96:186:14
2511.96:196:12
2611.96:206:11
2711.86:216:10
2811.86:216:08
2911.86:226:07
3011.76:236:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 5.61 kWh/m² in May across the year — September's 4.46 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Gotō

In seasonPeak

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

Gotō 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 Gotō?

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

6.5
Sightseeing
2nd-best month of the year
6.1
Beach & pool
3rd-best month of the year

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

What to pack for Gotō in September

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

In September, Gotō sees daytime highs around 26°C and nights near 24°C. Worth packing: light clothes, rain gear and a windbreaker. About 12 days see rain.

light clothesrain geara windbreaker

Sea temperature near Gotō 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 offshore is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 23 to Dec 7 — about 6.5 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Gotō 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 Gotō peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 14UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gotō 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 Gotō is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1023 µg/m³Jul 2310 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May20Moderate
Jun16Moderate
Jul10Good
Aug11Good
Sep11Good
Oct11Good
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Gotō?

Gotō sits at 32.7°N, 128.8°E, 46 m above sea level, in Japan. The nearest listed city is Fukuechō, 4.0 km away.

Topography around Gotō

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

Within 3 km, the terrain around Gotō has significant variations in elevation — a maximum elevation change of 410 m around an average of 87 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 443 m; within 80 km, significant variations in elevation — a maximum elevation change of 422 m.

The land around Gotō is covered by trees (65%) and cropland (20%) within 3 km, water (58%) and trees (35%) within 16 km, and water (95%) within 80 km.

3 km
410 m
16 km
443 m
80 km
422 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Fukuechō 4.0 km · Kamigotō 42 km · Saikai 88 km · Togitsu 99 km · Nagasaki 101 km · Sasebo 101 km · Obita 102 km · Hirado 103 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 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 Gotō (32.6842°, 128.8068°, elevation 46 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).