Tateyama climate

Tateyama Weather in September

NASA POWER reanalysis for the half-degree grid cell around Tateyama, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 28°C on September 1 to 24°C on September 30, and lows from 24°C to 20°C. Normal precipitation for the month is 216 mm over about 18 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Tateyama, in °C, with the record for each date.1520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
26°C
Average low
23°C
Precipitation
216 mm
Reanalysis high
31°CSep 4, 2010
Reanalysis low
15°CSep 22, 2001
Daylight
12 h 55 min to 11 h 53 min
Cloud cover
71%
Humidity
83%
Dew point
21°C
Wind
17.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 128°C24°C31°C 201021°C 201757%
Sep 228°C24°C30°C 202020°C 201758%
Sep 328°C24°C30°C 200320°C 201758%
Sep 428°C24°C31°C 201021°C 200159%
Sep 528°C24°C31°C 201020°C 200159%
Sep 628°C24°C30°C 201921°C 200160%
Sep 728°C24°C30°C 201921°C 199260%
Sep 827°C24°C30°C 201920°C 199660%
Sep 927°C24°C30°C 202021°C 199561%
Sep 1027°C24°C31°C 201920°C 200962%
Sep 1127°C23°C30°C 201220°C 199662%
Sep 1227°C23°C30°C 201020°C 201461%
Sep 1327°C23°C30°C 201320°C 199561%
Sep 1427°C23°C29°C 200420°C 199460%
Sep 1527°C23°C29°C 201119°C 199659%
Sep 1626°C23°C29°C 201119°C 200458%
Sep 1726°C23°C29°C 201818°C 199558%
Sep 1826°C22°C29°C 201118°C 199558%
Sep 1926°C22°C30°C 201119°C 199557%
Sep 2026°C22°C28°C 201218°C 199558%
Sep 2126°C22°C29°C 201017°C 199557%
Sep 2225°C22°C29°C 201015°C 200156%
Sep 2325°C21°C28°C 201917°C 200156%
Sep 2425°C21°C28°C 201917°C 200155%
Sep 2525°C21°C29°C 199917°C 201055%
Sep 2625°C21°C29°C 199918°C 201054%
Sep 2725°C21°C28°C 201616°C 199254%
Sep 2825°C21°C28°C 199915°C 199256%
Sep 2924°C21°C27°C 201617°C 199756%
Sep 3024°C20°C27°C 200416°C 200356%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Tateyama, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

September 1
sunrise 5:13 AM, sunset 6:08 PM
September 30
sunrise 5:34 AM, sunset 5:27 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.