Kamakura weather in September

In September, Kamakura sees average daytime highs of 25°C and overnight lows near 22°C, with 208 mm of rain across 14.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels oppressive.

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 Kamakura's 9th-clearest and 8th-windiest month. For the whole year in context, see Kamakura's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
208 mm
14.1 wet days
Daylight
12 h 12 min
5:30 AM – 5:43 PM
Cloud cover
62%
9th clearest
Wind
17 km/h
8th windiest
Solar energy
3.89 kWh/m²
Travel score
6.1
out of 10

Kamakura is city in Kanagawa prefecture, Japan.

Density
4,359/km²
people per km²
Founded
1063

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 23°C by the end.

A typical September day in Kamakura reaches about 25°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82623
92623
102523
112523
122523
132523
142523
152523
162522
172522
182422
192422
202422
212422
222421
232421
242421
252421
262321
272321
282321
292320
302320

Kamakura weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 8990.59.92.4
Feb10° / 949.50.910.72.3
Mar12° / 16414.70.211.73.1
Apr16° / 12°15113.4012.94.5
May19° / 16°15911.9013.85.7
Jun22° / 20°20414014.35.6
Jul25° / 23°16712014.16.3
Aug27° / 25°12510.6013.36.5
Sep25° / 22°20814.1012.26.1
Oct21° / 18°24414.2011.15.9
Nov17° / 13°12712.4010.15.1
Dec12° / 829.50.19.73.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34654
44654
54654
64753
74654
84654
94654
104654
114654
124654
134654
144555
154456
164456
174357
184357
194258
204258
214159
224159
234159
244159
254159
264159
274159
284159
294159
304159

Chance of precipitation in September

Any precipitation

Kamakura gets around 208 mm of rain over 14.1 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 48% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
142
243
343
444
544
645
745
846
947
1047
1148
1248
1348
1448
1549
1649
1749
1850
1950
2050
2149
2249
2349
2449
2549
2649
2749
2850
2950
3050

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 70% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1005214727
2005224725
3006234724
4006244623
5007254622
6008264620
7019274519
80110274417
90111284316
100212294214
111213294113
121315304012
131416303910
14141730389
15251931368
16262031346
17272231325
18292332304
193102432283
203112532263
214122732242
224132832221
234142931201
245153031181
255163131161
266173231140
276173431120
287183530110
297193529100
30820362880

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light 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 5:18 AM to 5:41 AM, and sunset from 6:05 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:186:05
212.75:196:04
312.75:206:02
412.75:206:01
512.65:215:59
612.65:225:58
712.65:235:56
812.55:235:55
912.55:245:53
1012.45:255:52
1112.45:265:50
1212.45:275:49
1312.35:275:47
1412.35:285:46
1512.35:295:44
1612.25:305:43
1712.25:305:41
1812.15:315:40
1912.15:325:38
2012.15:335:37
2112.05:335:35
2212.05:345:34
2312.05:355:32
2411.95:365:31
2511.95:375:29
2611.85:375:28
2711.85:385:26
2811.85:395:25
2911.75:405:23
3011.75:415:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.89 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 5.18 kWh/m² in May across the year — September's 3.89 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.0Bright
134.0Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
Planning a trip in September

Hazard calendar for Kamakura

In seasonPeak

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

Kamakura 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 Kamakura?

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

6.1
Sightseeing
3rd-best month of the year
5.4
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Kamakura for sightseeing.

What to pack for Kamakura in September

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

In September, Kamakura sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Kamakura 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 22 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 26 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Kamakura in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kamakura peaks around July 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJul 22UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Kamakura 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 Kamakura is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1525 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb25Moderate
Mar23Moderate
Apr26Moderate
May21Moderate
Jun18Moderate
Jul13Moderate
Aug12Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Kamakura?

Kamakura sits at 35.3°N, 139.5°E, 7 m above sea level, in Japan. The nearest listed city is Zushi, 3.0 km away.

Topography around Kamakura

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

Within 3 km, the terrain around Kamakura has only modest variations in elevation — a maximum elevation change of 146 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 237 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.

The land around Kamakura is covered by trees (43%), artificial surfaces (28%) and water (28%) within 3 km, water (44%) and artificial surfaces (35%) within 16 km, and water (38%), trees (36%) and artificial surfaces (20%) within 80 km.

3 km
146 m
16 km
237 m
80 km
3,737 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Zushi 3.0 km · Hayama 5.0 km · Fujisawa 8.0 km · Sugita 10 km · Yokosuka 11 km · Isogo 13 km · Chigasaki 13 km · Nihammatsu 16 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 Kamakura (35.3109°, 139.547°, elevation 7 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).