Arima climate

Arima Weather in September

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

Average highs run from 30°C on September 1 to 30°C on September 30, and lows from 25°C to 25°C. Normal precipitation for the month is 138 mm over about 21 wet days.

September day by day

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

Normal daily high and low temperature at Arima, in °C, with the record for each date.2025303540151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
30°C
Average low
25°C
Precipitation
138 mm
Record high
36°CSep 28, 2012
Record low
21°CSep 20, 2020
Daylight
12 h 18 min to 12 h 02 min
Cloud cover
56%
Humidity
81%
Dew point
24°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 lowRecord highRecord lowChance wet
Sep 130°C25°C36°C 201223°C 202074%
Sep 230°C25°C36°C 201222°C 202273%
Sep 330°C25°C35°C 201221°C 200673%
Sep 430°C25°C35°C 200823°C 200672%
Sep 530°C25°C36°C 201122°C 202073%
Sep 630°C25°C35°C 201223°C 202172%
Sep 730°C25°C35°C 201223°C 201073%
Sep 830°C25°C35°C 201222°C 202173%
Sep 930°C25°C35°C 200922°C 202173%
Sep 1030°C25°C35°C 201723°C 201073%
Sep 1130°C25°C35°C 200523°C 202474%
Sep 1230°C25°C35°C 200923°C 200673%
Sep 1330°C25°C36°C 200822°C 201873%
Sep 1430°C25°C35°C 201023°C 200773%
Sep 1530°C25°C35°C 201223°C 201173%
Sep 1630°C25°C36°C 201223°C 200774%
Sep 1730°C25°C36°C 200523°C 200974%
Sep 1830°C25°C36°C 201722°C 202173%
Sep 1930°C25°C35°C 202322°C 202172%
Sep 2030°C25°C35°C 201221°C 202070%
Sep 2130°C25°C36°C 202323°C 202170%
Sep 2230°C25°C35°C 201323°C 200671%
Sep 2330°C25°C35°C 200723°C 201170%
Sep 2430°C25°C35°C 200722°C 200770%
Sep 2530°C25°C35°C 200722°C 200770%
Sep 2630°C25°C35°C 201223°C 202170%
Sep 2730°C25°C36°C 201323°C 200771%
Sep 2830°C25°C36°C 201223°C 200771%
Sep 2930°C25°C35°C 201123°C 201973%
Sep 3030°C25°C35°C 201222°C 201374%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (AST).

September 1
sunrise 5:56 AM, sunset 6:14 PM
September 30
sunrise 5:54 AM, sunset 5:56 PM

Every day of September: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station TDM00078970, every year on file, quality-flagged values removed. 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.