Tamba weather in September

In September, Tamba sees average daytime highs of 26°C and overnight lows near 19°C, with 218 mm of rain across 13.3 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 29°C in the first days to 24°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels humid.

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 Tamba's 10th-clearest and 6th-windiest month. For the whole year in context, see Tamba's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
218 mm
13.3 wet days
Daylight
12 h 12 min
5:48 AM – 6:01 PM
Cloud cover
68%
10th clearest
Wind
9 km/h
6th windiest
Solar energy
3.96 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 29°C in the first days to 24°C by the end.

A typical September day in Tamba reaches about 26°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 22°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
22921
32921
42921
52821
62821
72821
82820
92820
102720
112720
122720
132719
142719
152719
162619
172619
182618
192618
202618
212518
222518
232517
242517
252517
262417
272417
282416
292416
302416

How September really feels in Tamba

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.

Tamba 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
Jan / -1°6912.66.29.90.9
Feb / -1°7111.35.410.71.3
Mar12° / 11813.31.811.72.9
Apr18° / 12511.50.112.95.3
May22° / 13°15511.5013.86.4
Jun26° / 18°19614.8014.35.6
Jul29° / 22°23516.9014.14.3
Aug31° / 23°15913.9013.34.2
Sep26° / 19°21813.3012.25.8
Oct21° / 12°15010.2011.16.4
Nov15° / 808.9010.24.8
Dec10° / 7210.92.59.72.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23763
33862
43862
53862
63862
73862
83862
93862
103862
113862
123862
133862
143862
153862
163862
173862
183763
193763
203763
213862
223862
233961
243961
253961
264060
274060
284060
294060
304060

Chance of precipitation in September

Any precipitation

Tamba gets around 218 mm of rain over 13.3 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 47% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
146
247
347
447
547
647
747
847
947
1046
1146
1245
1344
1444
1543
1642
1742
1842
1941
2041
2141
2241
2341
2441
2541
2641
2741
2841
2942
3041

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1031633461
2031734451
3041834431
4041934421
5052134401
6052233381
7162333360
8172533340
9172633320
10282733300
11292832280
123112832260
133122931240
144133031220
155153030200
165163129180
176173229160
187193227150
198203226130
209223225120
2111233224100
221225322390
231326322280
241427312170
251528312060
261729311950
271830301840
281931301630
292132291530
302332281420

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
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 5:36 AM to 5:59 AM, and sunset from 6:23 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:366:23
212.75:376:21
312.75:386:20
412.75:396:19
512.65:396:17
612.65:406:16
712.65:416:14
812.55:426:13
912.55:426:11
1012.45:436:10
1112.45:446:08
1212.45:456:07
1312.35:456:05
1412.35:466:04
1512.35:476:02
1612.25:486:01
1712.25:485:59
1812.15:495:58
1912.15:505:56
2012.15:515:55
2112.05:515:53
2212.05:525:52
2312.05:535:50
2411.95:545:49
2511.95:555:47
2611.85:555:46
2711.85:565:44
2811.85:575:43
2911.75:585:41
3011.75:595:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.96 kWh/m².

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 5.43 kWh/m² in May across the year — September's 3.96 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
124.1Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Tamba

In seasonPeak

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

Tamba 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 Tamba?

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
5.8
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Tamba for sightseeing.

What to pack for Tamba in September

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

In September, Tamba sees daytime highs around 26°C and nights near 19°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Tamba 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 52 km away) is warmest in August at about 27°C and coldest in March 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 Tamba 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 Tamba peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 15UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Tamba 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 Tamba is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Tamba?

Tamba sits at 35.2°N, 135.0°E, 97 m above sea level, in Japan. The nearest listed city is Tanba, 2.0 km away.

Topography around Tamba

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

Within 3 km, the terrain around Tamba has significant variations in elevation — a maximum elevation change of 443 m around an average of 165 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 977 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,481 m.

The land around Tamba is covered by trees (56%) and cropland (24%) within 3 km, trees (84%) within 16 km, and trees (61%) and water (24%) within 80 km.

3 km
443 m
16 km
977 m
80 km
1,481 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tanba 2.0 km · Kajiya 16 km · Fukuchiyama 16 km · Tamba-Sasayama 20 km · Sasayama 21 km · Wadayama 22 km · Nishiwaki 22 km · Ayabe 24 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 Tamba (35.1748°, 135.031°, elevation 97 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).