Gojō weather in September

In September, Gojō sees average daytime highs of 25°C and overnight lows near 18°C, with 222 mm of rain across 15.7 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 23°C by the end. The sky is clear or mostly clear about 23% 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 Gojō's 9th-clearest and 10th-windiest month. For the whole year in context, see Gojō's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
222 mm
15.7 wet days
Daylight
12 h 12 min
5:45 AM – 5:58 PM
Cloud cover
66%
9th clearest
Wind
7 km/h
10th windiest
Solar energy
4.04 kWh/m²
Travel score
5.7
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 23°C by the end.

A typical September day in Gojō reaches about 25°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°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)
12820
22720
32720
42720
52719
62719
72719
82719
92719
102619
112619
122618
132618
142618
152618
162518
172517
182517
192517
202517
212417
222416
232416
242416
252416
262315
272315
282315
292315
302315

How September really feels in Gojō

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.

Gojō 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 / -2°87116.5100.2
Feb / -2°9810.94.810.70.6
Mar11° / 15014.22.911.72.3
Apr16° / 15312.40.412.84.7
May21° / 12°18112.5013.86.0
Jun24° / 16°31017.2014.35.3
Jul28° / 21°27919.4014.14.7
Aug29° / 21°18818.1013.34.5
Sep25° / 18°22215.7012.25.7
Oct20° / 11°20412.4011.16.0
Nov14° / 1109.40.110.24.2
Dec / 8810.33.39.71.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33961
43961
53961
63961
73961
83961
93961
103961
113961
123961
133961
143961
154060
163862
173862
183862
193862
203862
213862
223862
233862
243862
253961
263862
273862
283961
294060
304060

Chance of precipitation in September

Any precipitation

Gojō gets around 222 mm of rain over 15.7 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 52% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
157
258
358
458
558
657
757
857
956
1055
1155
1254
1353
1452
1551
1650
1750
1849
1949
2049
2149
2248
2348
2448
2548
2648
2749
2849
2949
3049

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
117195518
228205218
328215217
429215216
5310225015
6310234915
7311244814
8412254713
9412264512
10513264411
11614274211
12716274010
1381727389
1491928369
15102028358
16112128337
17122328317
18142427296
19152527276
20172627265
21182726245
22202826234
23212825214
24232925203
25243025183
26263024173
27273124162
28293124152
29303124132
30323123121

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:34 AM to 5:56 AM, and sunset from 6:20 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:346:20
212.75:356:18
312.75:366:17
412.65:366:15
512.65:376:14
612.65:386:12
712.55:396:11
812.55:396:10
912.55:406:08
1012.45:416:07
1112.45:426:05
1212.45:426:04
1312.35:436:02
1412.35:446:01
1512.25:445:59
1612.25:455:58
1712.25:465:56
1812.15:475:55
1912.15:475:53
2012.15:485:52
2112.05:495:50
2212.05:505:49
2312.05:505:48
2411.95:515:46
2511.95:525:45
2611.85:535:43
2711.85:535:42
2811.85:545:40
2911.75:555:39
3011.75:565:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.04 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 5.36 kWh/m² in May across the year — September's 4.04 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.3Bright
84.3Bright
94.3Bright
104.2Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Gojō

In seasonPeak

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

Gojō 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 Gojō?

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
5.2
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Gojō for sightseeing.

What to pack for Gojō in September

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

In September, Gojō sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Gojō 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 Jun 6 to Nov 11 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Gojō 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 Gojō 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
Mar6High
Apr7Very high
May9Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gojō 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 Gojō is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Gojō?

Gojō sits at 34.4°N, 135.7°E, 98 m above sea level, in Japan. The nearest listed city is Hashimoto, 8.0 km away.

Topography around Gojō

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

Within 3 km, the terrain around Gojō has only modest variations in elevation — a maximum elevation change of 214 m around an average of 155 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,079 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Gojō is covered by trees (55%) and artificial surfaces (23%) within 3 km, trees (85%) within 16 km, and trees (64%) and water (20%) within 80 km.

3 km
214 m
16 km
1,079 m
80 km
1,879 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hashimoto 8.0 km · Shimobuchi 9.0 km · Gose 12 km · Kashiwara 13 km · Kawachi-Nagano 15 km · Katsuragi 15 km · Nakaiburi 16 km · Kanō 17 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 Gojō (34.35°, 135.7°, elevation 98 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).