Yatsuomachi-higashikumisaka weather in September

In September, Yatsuomachi-higashikumisaka sees average daytime highs of 23°C and overnight lows near 16°C, with 237 mm of rain across 17 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 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels humid.

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 Yatsuomachi-higashikumisaka's 8th-clearest and 11th-windiest month. For the whole year in context, see Yatsuomachi-higashikumisaka's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
237 mm
17 wet days
Daylight
12 h 12 min
5:39 AM – 5:53 PM
Cloud cover
69%
8th clearest
Wind
5 km/h
11th windiest
Solar energy
4.01 kWh/m²
Travel score
5.4
out of 10

Yatsuomachi-higashikumisaka 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 25°C in the first days to 21°C by the end.

A typical September day in Yatsuomachi-higashikumisaka reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°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°151015202530
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52518
62518
72418
82417
92417
102417
112417
122417
132317
142316
152316
162316
172316
182215
192215
202215
212215
222215
232114
242114
252114
262114
272114
282113
292013
302013

How September really feels in Yatsuomachi-higashikumisaka

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.

Yatsuomachi-higashikumisaka 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 daysSnow daysDaylight (hours)Travel score
Jan / -4°21323.222.39.80.0
Feb / -4°17319.617.810.60.0
Mar / -1°19619.513.511.70.5
Apr13° / 17015.83.612.93.2
May19° / 10°17615.60.113.95.3
Jun22° / 15°23517.7014.45.1
Jul26° / 19°30621.8014.24.8
Aug27° / 20°20719.6013.45.1
Sep23° / 16°23717012.25.4
Oct17° / 10°19815.60.211.14.8
Nov11° / 17517.24.510.12.3
Dec / -2°21521.816.49.50.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33763
43862
53862
63862
73862
83763
93763
103664
113664
123763
133664
143565
153664
163664
173466
183466
193565
203466
213466
223367
233367
243367
253367
263367
273367
283367
293466
303466

Chance of precipitation in September

Any precipitation

Yatsuomachi-higashikumisaka gets around 237 mm of rain over 17 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 57% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
162
262
362
462
562
661
761
860
960
1059
1159
1258
1357
1457
1556
1655
1755
1855
1954
2054
2154
2254
2354
2454
2554
2654
2754
2854
2954
3054

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11837504
21938493
311039473
421039463
521140443
621341422
731441402
831542382
941642361
1051842341
1161942321
1272142301
1382241281
1492440260
15112539240
16122738220
17142937200
18163036180
19183234160
20203333140
21223431120
22253530110
2327352890
2429362780
2531372570
2634372360
2736372250
2838372040
2941371930
3043371730

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:27 AM to 5:51 AM, and sunset from 6:16 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:276:16
212.85:276:14
312.75:286:13
412.75:296:11
512.75:306:10
612.65:316:08
712.65:326:07
812.55:326:05
912.55:336:04
1012.55:346:02
1112.45:356:00
1212.45:365:59
1312.35:365:57
1412.35:375:56
1512.35:385:54
1612.25:395:53
1712.25:405:51
1812.15:415:50
1912.15:415:48
2012.15:425:46
2112.05:435:45
2212.05:445:43
2312.05:455:42
2411.95:465:40
2511.95:465:39
2611.85:475:37
2711.85:485:36
2811.85:495:34
2911.75:505:32
3011.75:515:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.01 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.63 kWh/m² in May across the year — September's 4.01 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.1Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Yatsuomachi-higashikumisaka

In seasonPeak

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

Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka?

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

5.4
Sightseeing
1st-best month of the year
4.1
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Yatsuomachi-higashikumisaka for sightseeing.

What to pack for Yatsuomachi-higashikumisaka in September

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

In September, Yatsuomachi-higashikumisaka sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Yatsuomachi-higashikumisaka in September

The nearest coast averages about 25°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 34 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 18 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highExtremeVery highModerateJul 17UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 139 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Yatsuomachi-higashikumisaka?

Yatsuomachi-higashikumisaka sits at 36.6°N, 137.1°E, 197 m above sea level, in Japan. The nearest listed city is Toyama, 17 km away.

Topography around Yatsuomachi-higashikumisaka

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

Within 3 km, the terrain around Yatsuomachi-higashikumisaka has significant variations in elevation — a maximum elevation change of 389 m around an average of 170 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,525 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Yatsuomachi-higashikumisaka is covered by trees (74%) within 3 km, trees (68%) within 16 km, and trees (62%) and water (26%) within 80 km.

3 km
389 m
16 km
1,525 m
80 km
3,123 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Toyama 17 km · Tonami 18 km · Gohyakkoku 20 km · Nanto-shi 20 km · Nanto 22 km · Imizu 22 km · Takaoka 23 km · Fukumitsu 24 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 Yatsuomachi-higashikumisaka (36.5667°, 137.1333°, elevation 197 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).