Hakui weather in September

In September, Hakui sees average daytime highs of 25°C and overnight lows near 22°C, with 188 mm of rain across 13.2 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-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 29% 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 Hakui's 6th-clearest and 9th-windiest month. For the whole year in context, see Hakui's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
188 mm
13.2 wet days
Daylight
12 h 12 min
5:40 AM – 5:54 PM
Cloud cover
63%
6th clearest
Wind
15 km/h
9th windiest
Solar energy
4.18 kWh/m²
Travel score
6.2
out of 10

Hakui is city in Ishikawa Prefecture, Japan.

Density
300/km²
people per km²
Founded
1958

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 Hakui reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°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°151015202530
Avg high (°C)Avg low (°C)
12724
22724
32723
42723
52623
62623
72623
82623
92623
102623
112622
122522
132522
142522
152522
162522
172521
182421
192421
202421
212421
222421
232420
242320
252320
262320
272320
282320
292319
302219

How September really feels in Hakui

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.

Hakui weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 19624.18.89.80.5
Feb / 13218.97.310.60.6
Mar / 13416.12.211.71.7
Apr14° / 11712.10.112.93.8
May18° / 14°11811.5013.95.8
Jun22° / 19°14711014.56.3
Jul26° / 23°22314.1014.35.9
Aug28° / 25°14811.3013.45.9
Sep25° / 22°18813.2012.36.2
Oct20° / 16°15013.10115.8
Nov15° / 11°17417.50103.6
Dec / 22323.44.49.51.4

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 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54654
64654
74654
84654
94654
104753
114753
124753
134753
144753
154753
164654
174555
184555
194555
204456
214456
224456
234456
244258
254258
264258
274258
284258
294258
304357

Chance of precipitation in September

Any precipitation

Hakui gets around 188 mm of rain over 13.2 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
244
345
445
546
646
746
846
946
1046
1146
1246
1345
1445
1544
1644
1743
1843
1943
2042
2142
2242
2342
2442
2542
2642
2742
2843
2943
3043

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 32% 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 (%)
1011137429
2011237419
3021338408
4021438397
5021539376
6031739366
7031839355
8041939334
9152039324
10152139303
11162239293
12272438272
13282538252
14392637232
154102736221
164112935201
175123034181
186143133161
197153232140
208163330130
219173429110
229183528100
231019362680
241120372470
251222372360
261323382150
271424382040
281525381830
291627371730
301728371620

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2916light breeze
3016light breeze

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 5:52 AM, and sunset from 6:17 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:286:17
212.85:296:16
312.75:296:14
412.75:306:13
512.75:316:11
612.65:326:10
712.65:336:08
812.65:346:07
912.55:346:05
1012.55:356:04
1112.45:366:02
1212.45:376:00
1312.45:385:59
1412.35:395:57
1512.35:395:56
1612.25:405:54
1712.25:415:53
1812.25:425:51
1912.15:435:49
2012.15:445:48
2112.05:445:46
2212.05:455:45
2311.95:465:43
2411.95:475:42
2511.95:485:40
2611.85:495:38
2711.85:505:37
2811.75:505:35
2911.75:515:34
3011.75:525:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.18 kWh/m².

For context, solar energy here swings from a low near 1.89 kWh/m² to a high of 5.85 kWh/m² in May across the year — September's 4.18 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.0Bright
214.0Bright
224.0Moderate
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Hakui

In seasonPeak

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

Hakui 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 Hakui?

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

6.2
Sightseeing
2nd-best month of the year
5.5
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Hakui for sightseeing.

What to pack for Hakui in September

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

In September, Hakui sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Hakui 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 14 km away) is warmest in August at about 27°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 17 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar11Bracing
Apr12Bracing
May16Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Hakui 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 Hakui peaks around August 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 14UV 10Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep9Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Hakui 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 Hakui is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1722 µg/m³Oct 1110 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar21Moderate
Apr23Moderate
May21Moderate
Jun18Moderate
Jul15Moderate
Aug12Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Hakui?

Hakui sits at 36.9°N, 136.8°E, 6 m above sea level, in Japan. The nearest listed city is Oshima, 12 km away.

Topography around Hakui

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

Within 3 km, the terrain around Hakui has only modest variations in elevation — a maximum elevation change of 99 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 632 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,947 m.

The land around Hakui is covered by cropland (31%), artificial surfaces (22%) and trees (20%) within 3 km, trees (46%) and water (38%) within 16 km, and water (49%) and trees (40%) within 80 km.

3 km
99 m
16 km
632 m
80 km
2,947 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Oshima 12 km · Kahoku 15 km · Hitoto 16 km · Himi 18 km · Himimachi 19 km · Tsubata 24 km · Nanao 25 km · Oyabe 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 Hakui (36.8833°, 136.7833°, 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).