Tottori-shi weather in September

In September, Tottori-shi sees average daytime highs of 25°C and overnight lows near 21°C, with 223 mm of rain across 15.1 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 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 Tottori-shi's 7th-clearest and 9th-windiest month. For the whole year in context, see Tottori-shi's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
223 mm
15.1 wet days
Daylight
12 h 12 min
5:51 AM – 6:04 PM
Cloud cover
66%
7th clearest
Wind
11 km/h
9th windiest
Solar energy
3.88 kWh/m²
Travel score
5.8
out of 10

Tottori-shi is city in Tottori Prefecture, Japan.

Density
246/km²
people per km²
Founded
1889

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 Tottori-shi reaches about 25°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 22°C and 29°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52722
62722
72722
82622
92622
102622
112621
122621
132621
142521
152521
162521
172520
182520
192520
202420
212420
222419
232419
242419
252319
262319
272319
282318
292318
302318

How September really feels in Tottori-shi

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.

Tottori-shi 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 / 14721.99.69.90.6
Feb / 11317.37.610.70.8
Mar11° / 13315.72.711.72.2
Apr16° / 11411.80.112.94.7
May20° / 14°13611.7013.86.1
Jun24° / 19°16513.9014.45.9
Jul28° / 23°19715.9014.25.2
Aug29° / 24°14713.8013.35.0
Sep25° / 21°22315.1012.25.8
Oct20° / 15°13912.3011.16.0
Nov15° / 10°11614.7010.14.0
Dec10° / 15219.74.59.61.6

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 17% of September, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34159
44159
54060
64060
74060
84060
94060
104060
114060
124060
133961
143961
153961
163961
173961
183961
193961
203961
213961
223961
234060
244159
254159
264258
274258
284357
294456
304456

Chance of precipitation in September

Any precipitation

Tottori-shi gets around 223 mm of rain over 15.1 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 50% and peaks near 53% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
151
251
352
452
553
653
753
853
953
1053
1153
1252
1352
1451
1550
1650
1749
1849
1949
2048
2148
2247
2347
2447
2547
2647
2747
2847
2947
3046

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021332503
2021432502
3021533492
4031633471
5031734451
6031834431
7141935411
8142035391
9152135371
10162236351
11272336330
12272436300
13392535280
143102635260
154112834240
164122933220
175133032200
186153131180
196163230160
207173229140
218193327130
229203426110
2310213425100
241122352380
251224352270
261325352160
271526351950
281627341840
291728341740
301929331630

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:39 AM to 6:02 AM, and sunset from 6:26 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:396:26
212.75:406:25
312.75:416:23
412.75:426:22
512.65:426:21
612.65:436:19
712.65:446:18
812.55:456:16
912.55:456:15
1012.45:466:13
1112.45:476:12
1212.45:486:10
1312.35:486:09
1412.35:496:07
1512.35:506:06
1612.25:516:04
1712.25:526:02
1812.15:526:01
1912.15:535:59
2012.15:545:58
2112.05:555:56
2212.05:555:55
2312.05:565:53
2411.95:575:52
2511.95:585:50
2611.85:595:49
2711.85:595:47
2811.86:005:46
2911.76:015:44
3011.76:025:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.88 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 5.52 kWh/m² in May across the year — September's 3.88 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Moderate
134.0Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Tottori-shi

In seasonPeak

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

Tottori-shi 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 Tottori-shi?

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

5.8
Sightseeing
4th-best month of the year
5.3
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Tottori-shi for sightseeing.

What to pack for Tottori-shi in September

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

In September, Tottori-shi sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Tottori-shi in September

The nearest coast averages about 25°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 17 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 13 to Nov 7 — about 4.9 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Tottori-shi 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 Tottori-shi peaks around July 16 at about 10 (extreme) — 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 highExtremeVery highModerateJul 16UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul11Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Tottori-shi 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 Tottori-shi is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1421 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun17Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct10Good
Nov12Good
Dec11Good
Location & terrain

Where is Tottori-shi?

Tottori-shi sits at 35.5°N, 134.2°E, 6 m above sea level, in Japan. The nearest listed city is Kōge, 10 km away.

Topography around Tottori-shi

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

Within 3 km, the terrain around Tottori-shi has significant variations in elevation — a maximum elevation change of 284 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,681 m.

The land around Tottori-shi is covered by artificial surfaces (53%) and trees (36%) within 3 km, trees (57%) and water (28%) within 16 km, and trees (62%) and water (31%) within 80 km.

3 km
284 m
16 km
802 m
80 km
1,681 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kōge 10 km · Matsuzaki 30 km · Kurayoshi 38 km · Kasumi 39 km · Yabase 50 km · Yabu 50 km · Toyooka 53 km · Tsuyama 54 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 Tottori-shi (35.5°, 134.2333°, elevation 6 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).