Tambunan climate

Tambunan Weather in September

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

Average highs run from 27°C on September 1 to 27°C on September 30, and lows from 21°C to 21°C. Normal precipitation for the month is 261 mm over about 24 wet days.

September day by day

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

Normal daily high and low temperature at Tambunan, in °C, with the record for each date.17.52022.52527.530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
27°C
Average low
21°C
Precipitation
261 mm
Reanalysis high
29°CSep 15, 1996
Reanalysis low
19°CSep 26, 2015
Daylight
12 h 13 min to 12 h 05 min
Cloud cover
82%
Humidity
89%
Dew point
21°C
Wind
3.2 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 127°C21°C29°C 200519°C 199482%
Sep 227°C21°C29°C 201519°C 201283%
Sep 327°C21°C29°C 201519°C 199982%
Sep 427°C21°C29°C 201520°C 201883%
Sep 527°C21°C29°C 201519°C 201883%
Sep 627°C21°C29°C 202019°C 199283%
Sep 727°C21°C29°C 201719°C 201484%
Sep 827°C21°C28°C 201720°C 199884%
Sep 927°C21°C28°C 201719°C 201484%
Sep 1027°C21°C29°C 202019°C 199484%
Sep 1127°C21°C28°C 202019°C 199483%
Sep 1227°C21°C29°C 201120°C 201582%
Sep 1327°C21°C28°C 201119°C 199981%
Sep 1427°C21°C28°C 201120°C 201481%
Sep 1526°C21°C29°C 199619°C 200280%
Sep 1627°C21°C29°C 200919°C 200580%
Sep 1727°C21°C29°C 200919°C 201379%
Sep 1827°C21°C29°C 201520°C 201979%
Sep 1927°C21°C29°C 201019°C 199479%
Sep 2027°C21°C29°C 202019°C 199479%
Sep 2127°C21°C29°C 202020°C 200680%
Sep 2227°C21°C29°C 201919°C 200980%
Sep 2327°C21°C29°C 201919°C 200881%
Sep 2427°C21°C29°C 201920°C 199481%
Sep 2527°C21°C29°C 201919°C 201582%
Sep 2627°C21°C29°C 201919°C 201584%
Sep 2727°C21°C29°C 201920°C 200484%
Sep 2827°C21°C29°C 199720°C 201284%
Sep 2927°C21°C28°C 199819°C 200785%
Sep 3027°C21°C29°C 201519°C 200786%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Tambunan, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

September 1
sunrise 6:08 AM, sunset 6:21 PM
September 30
sunrise 6:02 AM, sunset 6:07 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.