Echigawa weather in September

In September, Echigawa sees average daytime highs of 26°C and overnight lows near 20°C, with 212 mm of rain across 13.9 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 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 28% 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 Echigawa's 9th-clearest and 9th-windiest month. For the whole year in context, see Echigawa's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
212 mm
13.9 wet days
Daylight
12 h 12 min
5:43 AM – 5:56 PM
Cloud cover
64%
9th clearest
Wind
8 km/h
9th windiest
Solar energy
4.06 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 Echigawa reaches about 26°C in the afternoon and slips back to 20°C overnight — a 7°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)
12922
22922
32822
42822
52821
62821
72821
82821
92721
102721
112720
122720
132720
142720
152620
162620
172619
182619
192619
202519
212519
222518
232518
242518
252418
262418
272417
282417
292417
302417

How September really feels in Echigawa

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.

Echigawa 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 / 7411.25.69.90.7
Feb / 7510.84.910.71.0
Mar11° / 12412.71.711.72.7
Apr17° / 140120.112.95.1
May22° / 13°17012.1013.86.2
Jun25° / 18°21614.9014.35.7
Jul29° / 22°25617.8014.14.4
Aug30° / 23°16315.6013.34.3
Sep26° / 20°21213.9012.25.8
Oct21° / 14°16610.8011.16.4
Nov15° / 868.6010.24.7
Dec / 7210.42.99.72.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34258
44258
54258
64258
74258
84258
94258
104258
114357
124357
134456
144357
154357
164456
174258
184357
194357
204357
214357
224357
234357
244258
254357
264357
274357
284357
294357
304357

Chance of precipitation in September

Any precipitation

Echigawa gets around 212 mm of rain over 13.9 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 47% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
250
350
450
550
650
750
851
951
1051
1150
1250
1349
1448
1547
1647
1746
1845
1945
2044
2144
2243
2343
2442
2542
2642
2742
2842
2941
3041

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 (%)
1021134503
2021235483
3021335472
4031435452
5031635442
6131736422
7141836401
8142036381
9152135371
10162235351
11172435331
12272535311
13282634291
143102833270
153112932240
164123032220
174133131200
185153230180
196163329160
207173428140
218193427130
229203426110
2310213525100
241123352380
251224352270
261325352160
271426361950
281527351840
291628351740
301829351530

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
289calm
299calm
309calm

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 5:32 AM to 5:54 AM, and sunset from 6:18 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:326:18
212.75:326:17
312.75:336:15
412.75:346:14
512.65:356:12
612.65:356:11
712.65:366:10
812.55:376:08
912.55:386:07
1012.45:386:05
1112.45:396:04
1212.45:406:02
1312.35:416:01
1412.35:415:59
1512.35:425:58
1612.25:435:56
1712.25:445:55
1812.15:455:53
1912.15:455:52
2012.15:465:50
2112.05:475:49
2212.05:485:47
2312.05:485:46
2411.95:495:44
2511.95:505:43
2611.85:515:41
2711.85:515:40
2811.85:525:38
2911.75:535:37
3011.75:545:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.06 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.36 kWh/m² in May across the year — September's 4.06 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
104.2Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
194.0Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Echigawa

In seasonPeak

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

Echigawa 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 Echigawa?

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
5.7
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Echigawa for sightseeing.

What to pack for Echigawa in September

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

In September, Echigawa sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Echigawa 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 50 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
Jul26Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Echigawa 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 Echigawa peaks around July 14 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 highVery highModerateJul 14UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Echigawa 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 Echigawa is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Echigawa?

Echigawa sits at 35.2°N, 136.2°E, 108 m above sea level, in Japan. The nearest listed city is Youkaichi, 6.0 km away.

Topography around Echigawa

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

Within 3 km, the terrain around Echigawa has only modest variations in elevation — a maximum elevation change of 189 m around an average of 109 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 850 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,601 m.

The land around Echigawa is covered by cropland (40%) and artificial surfaces (40%) within 3 km, trees (33%), cropland (28%) and water (21%) within 16 km, and trees (57%) within 80 km.

3 km
189 m
16 km
850 m
80 km
1,601 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Youkaichi 6.0 km · Ōmihachiman 10 km · Hikone 10 km · Yasu 18 km · Maibara 18 km · Hino 19 km · Konan 21 km · Kōka 21 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 Echigawa (35.1667°, 136.2°, elevation 108 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).