Nakatsugawa weather in September

In September, Nakatsugawa sees average daytime highs of 24°C and overnight lows near 16°C, with 234 mm of rain across 15.3 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 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 24% 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 Nakatsugawa's 8th-clearest and 9th-windiest month. For the whole year in context, see Nakatsugawa's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
234 mm
15.3 wet days
Daylight
12 h 12 min
5:38 AM – 5:51 PM
Cloud cover
65%
8th clearest
Wind
6 km/h
9th windiest
Solar energy
4.04 kWh/m²
Travel score
5.8
out of 10

Nakatsugawa is city in Gifu prefecture, Japan.

Density
117/km²
people per km²
Founded
1952

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 26°C in the first days to 22°C by the end.

A typical September day in Nakatsugawa reaches about 24°C in the afternoon and slips back to 16°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 3°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12719
22619
32618
42618
52618
62618
72618
82618
92618
102518
112517
122517
132517
142517
152517
162417
172416
182416
192416
202416
212416
222315
232315
242315
252315
262315
272214
282214
292214
302214

How September really feels in Nakatsugawa

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.

Nakatsugawa 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 / -5°9611.99.99.90.0
Feb / -4°106106.610.70.2
Mar / -0°17412.74.911.71.9
Apr15° / 18713.10.612.94.3
May20° / 10°20513.8013.85.7
Jun23° / 15°27817.9014.45.2
Jul26° / 19°33520.8014.24.8
Aug28° / 20°19818.9013.34.9
Sep24° / 16°23415.3012.25.8
Oct19° / 10°20512.9011.15.7
Nov13° / 12910.40.610.13.6
Dec / -1°10012.26.39.60.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54258
64159
74159
84159
94159
104159
114060
124060
133961
144060
153961
163862
173961
183961
193862
203862
213961
223862
233862
243961
254060
263961
273961
283961
294060
304060

Chance of precipitation in September

Any precipitation

Nakatsugawa gets around 234 mm of rain over 15.3 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 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
157
257
357
456
556
656
755
855
955
1055
1154
1254
1353
1452
1552
1651
1751
1850
1950
2050
2149
2249
2349
2449
2549
2649
2749
2849
2949
3049

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 26% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121033523
221035503
321136483
431137463
531239443
641240422
741341402
851441382
961542362
1071642341
1171742321
1281942301
13102041281
14112241261
15122340241
16142539221
17152637210
18172736190
19192935170
20213033150
21233132140
22253230130
23273329110
24293427100
2531342690
2632352480
2734362370
2836362260
2938362150
3040352050

Wind in September

Winds average 6 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
156calm
166calm
176calm
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 5:26 AM to 5:49 AM, and sunset from 6:13 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:266:13
212.75:276:12
312.75:286:10
412.75:286:09
512.65:296:07
612.65:306:06
712.65:316:04
812.55:326:03
912.55:326:02
1012.45:336:00
1112.45:345:59
1212.45:355:57
1312.35:355:55
1412.35:365:54
1512.35:375:52
1612.25:385:51
1712.25:385:49
1812.15:395:48
1912.15:405:46
2012.15:415:45
2112.05:425:43
2212.05:425:42
2312.05:435:40
2411.95:445:39
2511.95:455:37
2611.85:465:36
2711.85:465:34
2811.85:475:33
2911.75:485:31
3011.75:495:30

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 2.44 kWh/m² to a high of 5.43 kWh/m² in May across the year — September's 4.04 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.0Bright
164.0Bright
174.0Moderate
184.0Moderate
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

Is September a good time to visit Nakatsugawa?

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

5.8
Sightseeing
1st-best month of the year
4.9
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Nakatsugawa for sightseeing.

What to pack for Nakatsugawa in September

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

In September, Nakatsugawa sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

UV index in Nakatsugawa 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 Nakatsugawa peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 13UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun10Very high
Jul11Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Nakatsugawa 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 Nakatsugawa is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1322 µg/m³Dec 1813 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Nakatsugawa?

Nakatsugawa sits at 35.5°N, 137.5°E, 338 m above sea level, in Japan. The nearest listed city is Ena, 11 km away.

Topography around Nakatsugawa

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

Within 3 km, the terrain around Nakatsugawa has large variations in elevation — a maximum elevation change of 654 m around an average of 431 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,974 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,170 m.

The land around Nakatsugawa is covered by trees (59%) and artificial surfaces (29%) within 3 km, trees (88%) within 16 km, and trees (84%) within 80 km.

3 km
654 m
16 km
1,974 m
80 km
3,170 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ena 11 km · Mizunami 26 km · Iida 29 km · Toki 32 km · Mitake 34 km · Tajimi 38 km · Kani 41 km · Gero 43 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 Nakatsugawa (35.4833°, 137.5°, elevation 338 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).