Kushimoto weather in September

In September, Kushimoto sees average daytime highs of 27°C and overnight lows near 23°C, with 301 mm of rain across 16.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 32% 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 Kushimoto's 9th-clearest and 8th-windiest month. For the whole year in context, see Kushimoto's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
301 mm
16.5 wet days
Daylight
12 h 12 min
5:45 AM – 5:57 PM
Cloud cover
61%
9th clearest
Wind
15 km/h
8th windiest
Solar energy
4.39 kWh/m²
Travel score
5.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical September day in Kushimoto reaches about 27°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72824
82824
92724
102724
112724
122724
132724
142724
152724
162723
172723
182623
192623
202623
212623
222623
232622
242622
252522
262522
272522
282522
292522
302521

How September really feels in Kushimoto

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.

Kushimoto weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 977.6102.9
Feb11° / 1128.810.83.0
Mar14° / 17311.811.74.1
Apr18° / 13°18411.612.85.6
May22° / 18°21512.813.76.1
Jun24° / 21°3501714.25.4
Jul28° / 25°28817.2145.0
Aug29° / 26°21117.113.24.7
Sep27° / 23°30116.512.25.5
Oct23° / 19°27813.411.26.4
Nov18° / 14°1579.910.36.0
Dec13° / 1028.19.84.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74951
84852
94852
104852
114852
124753
134753
144852
154852
164852
174654
184654
194654
204555
214654
224555
234555
244555
254555
264555
274654
284654
294555
304555

Chance of precipitation in September

Any precipitation

Kushimoto gets around 301 mm of rain over 16.5 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 55% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
160
260
360
460
560
660
760
860
960
1059
1159
1258
1357
1456
1556
1655
1754
1853
1953
2052
2152
2251
2351
2450
2550
2650
2750
2850
2951
3051

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1003174931
2003184929
3003195028
4013205026
5013215025
6014225023
7014234922
8015244921
9025254819
10026264818
11027274717
12138284615
13139294414
141410294313
151412304112
161513313911
17151532389
18261633368
19261734347
20271934326
21372035306
22382135285
23392335264
24492435244
254102536223
265102636213
275112736192
286112836182
296122835172
307122935161

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 5:35 AM to 5:55 AM, and sunset from 6:18 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:356:18
212.75:356:17
312.75:366:16
412.65:376:14
512.65:386:13
612.65:386:12
712.55:396:10
812.55:406:09
912.55:406:07
1012.45:416:06
1112.45:426:04
1212.35:426:03
1312.35:436:02
1412.35:446:00
1512.25:445:59
1612.25:455:57
1712.25:465:56
1812.15:465:54
1912.15:475:53
2012.15:485:52
2112.05:495:50
2212.05:495:49
2312.05:505:47
2411.95:515:46
2511.95:515:44
2611.85:525:43
2711.85:535:42
2811.85:545:40
2911.75:545:39
3011.75:555:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.39 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 5.54 kWh/m² in May across the year — September's 4.39 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Kushimoto

In seasonPeak

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

Kushimoto 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 Kushimoto?

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

5.5
Sightseeing
5th-best month of the year
5.5
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Kushimoto for sightseeing.

What to pack for Kushimoto in September

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

In September, Kushimoto sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Kushimoto 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 14 km away) is warmest in August at about 28°C and coldest in February near 19°C.

It's comfortable for a long swim from Apr 21 to Jan 4 — about 8.5 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar19Cool
Apr20Cool
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Kushimoto 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 Kushimoto peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highExtremeVery highModerateJul 11UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kushimoto 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 Kushimoto is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1317 µg/m³Sep 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun13Moderate
Jul9Good
Aug9Good
Sep9Good
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Kushimoto?

Kushimoto sits at 33.5°N, 135.8°E, 5 m above sea level, in Japan. The nearest listed city is Shingū, 35 km away.

Topography around Kushimoto

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

Within 3 km, the terrain around Kushimoto has only modest variations in elevation — a maximum elevation change of 143 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 549 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Kushimoto is covered by water (52%) and trees (35%) within 3 km, water (64%) and trees (34%) within 16 km, and water (54%) and trees (45%) within 80 km.

3 km
143 m
16 km
549 m
80 km
1,877 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Shingū 35 km · Asso 42 km · Shirahama 46 km · Tanabe 48 km · Kumano 58 km · Gobō 73 km · Owase 77 km · Itogawa 79 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 Kushimoto (33.4684°, 135.7791°, elevation 5 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).