Kamigotō weather in September

In September, Kamigotō sees average daytime highs of 25°C and overnight lows near 24°C, with 178 mm of rain across 11.4 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 41% 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 Kamigotō's 2nd-clearest and 7th-windiest month. For the whole year in context, see Kamigotō's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
178 mm
11.4 wet days
Daylight
12 h 12 min
6:12 AM – 6:24 PM
Cloud cover
54%
2nd clearest
Wind
24 km/h
7th windiest
Solar energy
4.44 kWh/m²
Travel score
6.6
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 Kamigotō reaches about 25°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
62625
72625
82625
92625
102625
112625
122624
132624
142624
152624
162524
172524
182524
192524
202524
212523
222523
232523
242423
252423
262423
272423
282423
292422
302422

How September really feels in Kamigotō

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.

Kamigotō 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° / 8312.310.12.4
Feb11° / 8010.410.82.6
Mar13° / 11°1291111.73.7
Apr16° / 14°1459.912.85.1
May19° / 18°1479.213.76.2
Jun22° / 21°29713.614.15.9
Jul26° / 25°22611.8146.3
Aug28° / 26°15911.913.26.2
Sep25° / 24°17811.412.26.6
Oct22° / 20°1147.411.27.2
Nov18° / 15°968.910.35.8
Dec13° / 11°8210.39.93.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% 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
75347
85446
95446
105446
115446
125446
135446
145446
155446
165446
175347
185347
195347
205446
215446
225446
235446
245545
255446
265545
275545
285743
295743
305842

Chance of precipitation in September

Any precipitation

Kamigotō gets around 178 mm of rain over 11.4 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 37% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
342
442
541
641
740
840
940
1040
1139
1239
1338
1438
1538
1637
1737
1837
1936
2036
2135
2235
2335
2434
2534
2633
2732
2832
2931
3030

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 74% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1002214235
2003224332
3003234330
4004254428
5014264425
6015274423
7016284421
8016294420
9027304318
10028314217
110310314115
120311323914
130412323813
140514323612
150615323412
161717323311
171818323110
18191932299
191102132288
201112232267
211122332247
222132432236
232152631225
242162630205
253172730194
263192829184
274202829173
284212928153
295222927142
306242926142

Wind in September

Winds average 24 km/h in September.

Across September, daily wind ranges from about 22 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
122breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
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 6:02 AM to 6:22 AM, and sunset from 6:45 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:026:45
212.76:036:43
312.66:036:42
412.66:046:41
512.66:056:39
612.56:056:38
712.56:066:37
812.56:076:35
912.46:076:34
1012.46:086:32
1112.46:096:31
1212.36:096:30
1312.36:106:28
1412.36:116:27
1512.26:116:25
1612.26:126:24
1712.26:136:23
1812.16:136:21
1912.16:146:20
2012.16:156:18
2112.06:156:17
2212.06:166:16
2312.06:176:14
2411.96:176:13
2511.96:186:11
2611.96:196:10
2711.86:196:08
2811.86:206:07
2911.76:216:06
3011.76:226:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.44 kWh/m².

For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 5.62 kWh/m² in May across the year — September's 4.44 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Hazard calendar for Kamigotō

In seasonPeak

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

Kamigotō 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 Kamigotō?

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

6.6
Sightseeing
2nd-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Kamigotō in September

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

In September, Kamigotō sees daytime highs around 25°C and nights near 24°C. Worth packing: light clothes, rain gear and a windbreaker. About 11 days see rain.

light clothesrain geara windbreaker

Sea temperature near Kamigotō in September

The nearest coast averages about 26°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Dec 2 — about 6.2 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Kamigotō 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 Kamigotō peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul10Extreme
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kamigotō 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 Kamigotō 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 Kamigotō?

Kamigotō sits at 33.0°N, 129.1°E, 45 m above sea level, in Japan. The nearest listed city is Fukuechō, 39 km away.

Topography around Kamigotō

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

Within 3 km, the terrain around Kamigotō has significant variations in elevation — a maximum elevation change of 369 m around an average of 84 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 438 m; within 80 km, large variations in elevation — a maximum elevation change of 762 m.

The land around Kamigotō is covered by trees (73%) within 3 km, water (75%) and trees (24%) within 16 km, and water (86%) within 80 km.

3 km
369 m
16 km
438 m
80 km
762 m
treesgrasslandartificial surfaceswater
September weather nearby: Fukuechō 39 km · Gotō 42 km · Saikai 56 km · Hirado 61 km · Sasebo 63 km · Matsuura 69 km · Togitsu 73 km · Obita 77 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 Kamigotō (32.9833°, 129.0833°, elevation 45 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).