Tajimi weather in September

In September, Tajimi sees average daytime highs of 27°C and overnight lows near 19°C, with 232 mm of rain across 15 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 29°C in the first days to 25°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 Tajimi's 9th-clearest and 9th-windiest month. For the whole year in context, see Tajimi's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
232 mm
15 wet days
Daylight
12 h 12 min
5:39 AM – 5:52 PM
Cloud cover
64%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
4.09 kWh/m²
Travel score
5.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 25°C by the end.

A typical September day in Tajimi reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12921
22921
32921
42921
52921
62821
72821
82821
92820
102820
112820
122720
132720
142720
152719
162719
172719
182619
192619
202618
212618
222618
232518
242518
252517
262517
272517
282517
292417
302416

How September really feels in Tajimi

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.

Tajimi 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 / -1°698.12.79.91.1
Feb / -0°797.82.110.71.6
Mar12° / 13911.50.811.73.3
Apr18° / 15212.10.112.95.3
May22° / 13°17812.5013.86.2
Jun25° / 18°23416.6014.35.4
Jul29° / 22°26818.6014.14.4
Aug30° / 23°16816.2013.34.1
Sep27° / 19°23215012.25.5
Oct21° / 13°20012.3011.16.3
Nov15° / 1068.9010.15.0
Dec10° / 707.50.99.72.4

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 15% of September, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54456
64456
74456
84357
94357
104258
114357
124258
134159
144159
154159
164159
174060
183961
194060
204060
213961
224060
234060
244159
254258
264258
274258
284258
294357
304357

Chance of precipitation in September

Any precipitation

Tajimi gets around 232 mm of rain over 15 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 51% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
155
255
355
455
555
655
755
854
954
1053
1153
1252
1352
1451
1550
1650
1749
1849
1949
2048
2148
2247
2347
2447
2547
2647
2747
2847
2947
3047

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 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021642391
2021643371
3131743361
4131744341
5141844331
6141945310
7151945290
8162045270
9272144260
10272344240
11282443230
12392542210
133102641200
144112740180
155122838170
165142937150
176153035140
187163134120
198173132110
209193230100
211020322990
221121322780
231322332570
241424332460
251525332260
261626332050
271728331940
281829321740
291930321630
302031321530

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 5:28 AM to 5:50 AM, and sunset from 6:15 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:286:15
212.75:296:13
312.75:296:12
412.75:306:10
512.65:316:09
612.65:326:07
712.65:326:06
812.55:336:04
912.55:346:03
1012.45:356:01
1112.45:356:00
1212.45:365:58
1312.35:375:57
1412.35:385:55
1512.35:385:54
1612.25:395:52
1712.25:405:51
1812.15:415:49
1912.15:425:48
2012.15:425:46
2112.05:435:45
2212.05:445:43
2312.05:455:42
2411.95:455:40
2511.95:465:39
2611.85:475:37
2711.85:485:36
2811.85:495:34
2911.75:495:33
3011.75:505:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.09 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.42 kWh/m² in May across the year — September's 4.09 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
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Tajimi

In seasonPeak

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

Tajimi 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 Tajimi?

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

5.5
Sightseeing
3rd-best month of the year
5.7
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Tajimi for sightseeing.

What to pack for Tajimi in September

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

In September, Tajimi sees daytime highs around 27°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Tajimi 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 54 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 May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Tajimi 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 Tajimi peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJul 12UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Tajimi 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 Tajimi 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 Tajimi?

Tajimi sits at 35.3°N, 137.1°E, 138 m above sea level, in Japan. The nearest listed city is Toki, 6.0 km away.

Topography around Tajimi

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

Within 3 km, the terrain around Tajimi has only modest variations in elevation — a maximum elevation change of 178 m around an average of 164 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 701 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,044 m.

The land around Tajimi is covered by trees (56%) and artificial surfaces (39%) within 3 km, trees (69%) and artificial surfaces (22%) within 16 km, and trees (70%) within 80 km.

3 km
178 m
16 km
701 m
80 km
3,044 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Toki 6.0 km · Seto 10 km · Mitake 11 km · Mizunami 12 km · Kani 12 km · Owariasahi 15 km · Kasugai 17 km · Nagakute 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 Tajimi (35.3167°, 137.1333°, elevation 138 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).