Oranjestad climate

Oranjestad Weather in September

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

Average highs run from 29°C on September 1 to 29°C on September 30, and lows from 28°C to 28°C. Normal precipitation for the month is 48 mm over about 12 wet days.

September day by day

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

Normal daily high and low temperature at Oranjestad, in °C, with the record for each date.26272829303132151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
29°C
Average low
28°C
Precipitation
48 mm
Reanalysis high
31°CSep 14, 2017
Reanalysis low
26°CSep 14, 1993
Daylight
12 h 22 min to 12 h 02 min
Cloud cover
50%
Humidity
81%
Dew point
25°C
Wind
26.6 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 129°C28°C30°C 200827°C 199333%
Sep 229°C28°C31°C 199527°C 199332%
Sep 329°C28°C30°C 199927°C 199333%
Sep 429°C28°C30°C 200427°C 199333%
Sep 529°C28°C31°C 201327°C 199334%
Sep 629°C28°C31°C 201327°C 199334%
Sep 729°C28°C31°C 201927°C 199335%
Sep 829°C28°C31°C 200827°C 200436%
Sep 929°C28°C31°C 200827°C 200438%
Sep 1029°C28°C30°C 201927°C 199339%
Sep 1129°C28°C30°C 200527°C 199339%
Sep 1229°C28°C31°C 201127°C 199339%
Sep 1329°C28°C30°C 202026°C 199341%
Sep 1429°C28°C31°C 201726°C 199343%
Sep 1529°C28°C31°C 201727°C 199343%
Sep 1629°C28°C30°C 201027°C 199345%
Sep 1729°C28°C30°C 200527°C 199346%
Sep 1829°C28°C31°C 201927°C 200145%
Sep 1929°C28°C30°C 200527°C 200146%
Sep 2029°C28°C30°C 202027°C 199447%
Sep 2129°C28°C31°C 201726°C 199249%
Sep 2229°C28°C31°C 201727°C 199249%
Sep 2329°C28°C31°C 201727°C 199249%
Sep 2429°C28°C31°C 202027°C 199248%
Sep 2529°C28°C30°C 201727°C 199350%
Sep 2629°C28°C31°C 201927°C 200253%
Sep 2729°C28°C31°C 201927°C 199154%
Sep 2829°C28°C30°C 201927°C 199154%
Sep 2929°C28°C30°C 202027°C 199156%
Sep 3029°C28°C30°C 201927°C 199356%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Oranjestad, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (AST).

September 1
sunrise 6:29 AM, sunset 6:51 PM
September 30
sunrise 6:29 AM, sunset 6:31 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.