Tokushima weather in September

In September, Tokushima sees average daytime highs of 26°C and overnight lows near 21°C, with 286 mm of rain across 15.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Tokushima's 9th-clearest and 8th-windiest month. For the whole year in context, see Tokushima's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
286 mm
15.5 wet days
Daylight
12 h 12 min
5:50 AM – 6:02 PM
Cloud cover
63%
9th clearest
Wind
12 km/h
8th windiest
Solar energy
4.12 kWh/m²
Travel score
5.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 24°C by the end.

A typical September day in Tokushima reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52723
62723
72723
82723
92722
102722
112722
122722
132622
142622
152622
162621
172621
182621
192521
202521
212520
222520
232520
242520
252420
262420
272419
282419
292419
302419

How September really feels in Tokushima

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.

Tokushima weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 717.31.1101.9
Feb10° / 798.41.310.72.2
Mar13° / 12811.60.211.73.5
Apr17° / 11°15111.3012.85.3
May21° / 15°19112.9013.76.0
Jun24° / 19°27716.8014.25.4
Jul28° / 23°26117.80144.9
Aug29° / 24°20416013.34.8
Sep26° / 21°28615.5012.25.8
Oct21° / 16°23111.7011.16.4
Nov16° / 11°1058.2010.25.4
Dec11° / 8170.19.83.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54456
64456
74456
84456
94456
104456
114456
124456
134258
144258
154357
164357
174357
184258
194258
204258
214357
224357
234357
244456
254456
264555
274555
284456
294654
304654

Chance of precipitation in September

Any precipitation

Tokushima gets around 286 mm of rain over 15.5 wet days in September, the wettest month. 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 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
156
255
355
455
555
655
755
855
954
1054
1154
1253
1353
1452
1552
1652
1751
1851
1950
2050
2149
2249
2349
2448
2548
2648
2748
2848
2948
3048

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1011025604
2021026593
3021127573
4021228553
5021329533
6031430512
7031530492
8041631472
9141732452
10151832431
11151932411
12262132391
13272232371
14282331341
15392531321
164102630300
174112729280
185122829260
196132928240
207143027220
218153126200
228173225180
239183224160
2410193323150
2511203323140
2611213322120
2712223321110
2813233320100
291424332090
301525331980

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 5:39 AM to 6:00 AM, and sunset from 6:24 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:396:24
212.75:406:22
312.75:416:21
412.65:416:20
512.65:426:18
612.65:436:17
712.55:436:15
812.55:446:14
912.55:456:12
1012.45:466:11
1112.45:466:10
1212.45:476:08
1312.35:486:07
1412.35:486:05
1512.25:496:04
1612.25:506:02
1712.25:516:01
1812.15:515:59
1912.15:525:58
2012.15:535:56
2112.05:535:55
2212.05:545:54
2312.05:555:52
2411.95:565:51
2511.95:565:49
2611.85:575:48
2711.85:585:46
2811.85:595:45
2911.75:595:43
3011.76:005:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.12 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 5.5 kWh/m² in May across the year — September's 4.12 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Tokushima

In seasonPeak

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

Tokushima 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 Tokushima?

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

5.8
Sightseeing
3rd-best month of the year
5.5
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Tokushima for sightseeing.

What to pack for Tokushima in September

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

In September, Tokushima sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Tokushima 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 offshore is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 19 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Refreshing
Dec17Cool

UV index in Tokushima in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tokushima peaks around July 11 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Tokushima 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 Tokushima is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1320 µg/m³Sep 2010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec11Good
Location & terrain

Where is Tokushima?

Tokushima sits at 34.1°N, 134.6°E, 3 m above sea level, in Japan. The nearest listed city is Takabō, 7.0 km away.

Topography around Tokushima

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

Within 3 km, the terrain around Tokushima has significant variations in elevation — a maximum elevation change of 274 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 800 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,941 m.

The land around Tokushima is covered by artificial surfaces (62%) and water (23%) within 3 km, water (34%) and trees (32%) within 16 km, and water (51%) and trees (41%) within 80 km.

3 km
274 m
16 km
800 m
80 km
1,941 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Takabō 7.0 km · Komatsushimachō 8.0 km · Yakami 10 km · Ishii 11 km · Narutochō-mitsuishi 15 km · Anan 18 km · Kamojimachō-jōgejima 20 km · Fukura 25 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 Tokushima (34.0667°, 134.5667°, elevation 3 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).