Minakuchichō-matoba weather in September

In September, Minakuchichō-matoba sees average daytime highs of 27°C and overnight lows near 20°C, with 202 mm of rain across 13.9 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 29°C in the first days to 24°C by the end. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Minakuchichō-matoba's 9th-clearest and 7th-windiest month. For the whole year in context, see Minakuchichō-matoba's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
202 mm
13.9 wet days
Daylight
12 h 12 min
5:43 AM – 5:56 PM
Cloud cover
64%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
4.18 kWh/m²
Travel score
5.7
out of 10

Minakuchichō-matoba is human settlement in Japan.

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 24°C by the end.

A typical September day in Minakuchichō-matoba reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62921
72921
82821
92821
102821
112821
122820
132720
142720
152720
162720
172719
182719
192619
202619
212619
222618
232518
242518
252518
262517
272517
282517
292417
302417

How September really feels in Minakuchichō-matoba

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.

Minakuchichō-matoba 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 daysSnow daysDaylight (hours)Travel score
Jan / 627.52.29.91.1
Feb / 688.52.310.71.5
Mar12° / 11612.10.611.73.1
Apr18° / 13311.4012.95.4
May22° / 13°15611.5013.86.4
Jun26° / 18°20314.8014.35.6
Jul30° / 23°21417.8014.14.2
Aug31° / 23°14815013.34.1
Sep27° / 20°20213.9012.25.7
Oct21° / 13°17710.6011.16.5
Nov16° / 847.4010.25.1
Dec10° / 607.119.72.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23961
34060
44060
54060
64159
74159
84159
94159
104159
114159
124159
134159
144258
154159
164060
174159
184159
194060
204159
214159
224159
234258
244159
254258
264258
274258
284258
294258
304258

Chance of precipitation in September

Any precipitation

Minakuchichō-matoba gets around 202 mm of rain over 13.9 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 46% and peaks near 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
149
249
350
450
550
650
750
850
950
1050
1149
1249
1348
1447
1546
1646
1745
1845
1944
2044
2143
2243
2343
2442
2542
2642
2742
2842
2942
3042

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1041332492
2041432472
3141632462
4141732442
5151832432
6151932412
7162132392
8162232371
9272332351
10272531341
11282631321
12292731301
133102830281
143112930261
154123029240
165143129220
175153228200
186173227180
197183227160
208193226140
219213225130
2210223225110
231124322490
241225322380
251326322270
261427322160
271628312050
281729311940
291830301840
301931301730

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
279calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:32 AM to 5:54 AM, and sunset from 6:18 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:326:18
212.75:336:17
312.75:336:15
412.75:346:14
512.65:356:12
612.65:366:11
712.65:366:10
812.55:376:08
912.55:386:07
1012.45:396:05
1112.45:396:04
1212.45:406:02
1312.35:416:01
1412.35:425:59
1512.35:425:58
1612.25:435:56
1712.25:445:55
1812.15:455:53
1912.15:455:52
2012.15:465:50
2112.05:475:49
2212.05:485:47
2312.05:485:46
2411.95:495:44
2511.95:505:43
2611.85:515:41
2711.85:525:40
2811.85:525:38
2911.75:535:37
3011.75:545:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.18 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.48 kWh/m² in May across the year — September's 4.18 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.0Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Minakuchichō-matoba

In seasonPeak

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

Minakuchichō-matoba 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 Minakuchichō-matoba?

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

5.7
Sightseeing
3rd-best month of the year
5.9
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Minakuchichō-matoba for sightseeing.

What to pack for Minakuchichō-matoba in September

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

In September, Minakuchichō-matoba sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Minakuchichō-matoba 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 43 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Minakuchichō-matoba 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 Minakuchichō-matoba peaks around June 23 at about 10 (very high) — 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 23UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Minakuchichō-matoba 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 Minakuchichō-matoba is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Minakuchichō-matoba?

Minakuchichō-matoba sits at 35.0°N, 136.2°E, 171 m above sea level, in Japan. The nearest listed city is Kōka, 2.0 km away.

Topography around Minakuchichō-matoba

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

Within 3 km, the terrain around Minakuchichō-matoba has only modest variations in elevation — a maximum elevation change of 125 m around an average of 184 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 881 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,487 m.

The land around Minakuchichō-matoba is covered by trees (37%), artificial surfaces (36%) and cropland (24%) within 3 km, trees (65%) within 16 km, and trees (58%) within 80 km.

3 km
125 m
16 km
881 m
80 km
1,487 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kōka 2.0 km · Konan 7.0 km · Hino 8.0 km · Rittō 17 km · Youkaichi 17 km · Kusatsu 19 km · Ōmihachiman 19 km · Moriyama 20 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 Minakuchichō-matoba (34.9667°, 136.1667°, elevation 171 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).