Gujō weather in September

In September, Gujō sees average daytime highs of 25°C and overnight lows near 17°C, with 288 mm of rain across 14.5 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 27°C in the first days to 23°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 Gujō's 9th-clearest and 9th-windiest month. For the whole year in context, see Gujō's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
288 mm
14.5 wet days
Daylight
12 h 12 min
5:40 AM – 5:53 PM
Cloud cover
65%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
3.97 kWh/m²
Travel score
5.9
out of 10

Gujō is city in Gifu Prefecture, Japan.

Density
41/km²
people per km²
Founded
2004

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 27°C in the first days to 23°C by the end.

A typical September day in Gujō reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°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)
12720
22719
32719
42719
52719
62719
72619
82619
92619
102618
112618
122618
132618
142518
152518
162517
172517
182517
192517
202417
212416
222416
232416
242416
252315
262315
272315
282315
292315
302315

How September really feels in Gujō

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.

Gujō 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 / -3°981311.29.90.0
Feb / -2°9810.77.510.60.4
Mar10° / 18013.24.511.72.1
Apr16° / 20613.20.612.94.5
May21° / 11°22213.7013.95.8
Jun24° / 16°28216.3014.45.5
Jul27° / 20°38420.3014.24.7
Aug29° / 21°22516.9013.44.8
Sep25° / 17°28814.5012.25.9
Oct20° / 11°21111.8011.16.0
Nov13° / 14410.90.910.13.8
Dec / 10913.67.59.61.0

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 (%)
14258
24258
34258
44258
54159
64258
74258
84258
94258
104159
114159
124258
134258
144258
154060
164159
174159
184060
194060
204159
214060
224060
234060
244159
254159
264159
274159
284159
294159
304258

Chance of precipitation in September

Any precipitation

Gujō gets around 288 mm of rain over 14.5 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 49% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
253
353
453
553
653
752
852
952
1052
1151
1251
1350
1450
1549
1648
1748
1847
1947
2046
2146
2246
2345
2445
2545
2645
2745
2845
2945
3045

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128275310
228285210
33928519
431029508
531030498
641130477
741231466
851332446
961433435
1061533415
1171633394
1281734374
1391834363
14112033333
15122133313
16132332292
17152432272
18162531252
19182731232
20202830211
21222929191
22243028171
23253127161
24273226141
25293325121
26313324110
27333423100
2835342380
2937342270
3039342160

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
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 5:28 AM to 5:51 AM, and sunset from 6:16 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:286:16
212.85:296:14
312.75:306:13
412.75:306:11
512.65:316:10
612.65:326:08
712.65:336:07
812.55:346:05
912.55:346:04
1012.55:356:02
1112.45:366:01
1212.45:375:59
1312.35:375:58
1412.35:385:56
1512.35:395:55
1612.25:405:53
1712.25:415:52
1812.15:415:50
1912.15:425:49
2012.15:435:47
2112.05:445:46
2212.05:455:44
2312.05:455:42
2411.95:465:41
2511.95:475:39
2611.85:485:38
2711.85:495:36
2811.85:495:35
2911.75:505:33
3011.75:515:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.97 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.38 kWh/m² in May across the year — September's 3.97 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.0Bright
134.0Bright
144.0Moderate
154.0Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Gujō?

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

5.9
Sightseeing
2nd-best month of the year
5.3
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Gujō for sightseeing.

What to pack for Gujō in September

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

In September, Gujō sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

UV index in Gujō 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 Gujō peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highVery highModerateJul 15UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Gujō 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 Gujō is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1719 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May18Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Gujō?

Gujō sits at 35.7°N, 137.0°E, 314 m above sea level, in Japan. The nearest listed city is Mino, 23 km away.

Topography around Gujō

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

Within 3 km, the terrain around Gujō has significant variations in elevation — a maximum elevation change of 522 m around an average of 381 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,221 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,036 m.

The land around Gujō is covered by trees (88%) within 3 km, trees (96%) within 16 km, and trees (83%) within 80 km.

3 km
522 m
16 km
1,221 m
80 km
3,036 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mino 23 km · Gero 26 km · Sekimachi 28 km · Minokamo 29 km · Yamagata 34 km · Kakamigahara 37 km · Kani 38 km · Motosu 38 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 Gujō (35.7369°, 136.9585°, elevation 314 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. 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).