Garissa climate

Garissa Weather in September

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

Average highs run from 34°C on September 1 to 35°C on September 30, and lows from 21°C to 22°C. Normal precipitation for the month is 12 mm over about 3 wet days.

September day by day

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

Normal daily high and low temperature at Garissa, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
34°C
Average low
21°C
Precipitation
12 mm
Reanalysis high
38°CSep 30, 2013
Reanalysis low
17°CSep 24, 1996
Daylight
12 h 06 min to 12 h 07 min
Cloud cover
46%
Humidity
59%
Dew point
17°C
Wind
28.1 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 134°C21°C37°C 201918°C 19936%
Sep 234°C21°C35°C 201918°C 19937%
Sep 334°C21°C35°C 200420°C 19938%
Sep 434°C21°C36°C 200419°C 19938%
Sep 534°C21°C36°C 200419°C 19938%
Sep 634°C21°C36°C 200419°C 20088%
Sep 734°C21°C36°C 200419°C 19938%
Sep 834°C21°C35°C 201819°C 20158%
Sep 934°C21°C35°C 201820°C 20159%
Sep 1034°C21°C36°C 201219°C 199410%
Sep 1134°C21°C36°C 200819°C 199410%
Sep 1234°C21°C36°C 200320°C 200010%
Sep 1334°C21°C36°C 201520°C 199410%
Sep 1434°C21°C36°C 201820°C 199410%
Sep 1534°C21°C36°C 200918°C 199310%
Sep 1635°C21°C36°C 200920°C 200010%
Sep 1735°C21°C37°C 200920°C 199410%
Sep 1835°C21°C37°C 201520°C 20179%
Sep 1935°C21°C37°C 200919°C 19999%
Sep 2035°C21°C36°C 200920°C 20028%
Sep 2135°C21°C37°C 200819°C 19969%
Sep 2235°C21°C37°C 201119°C 199610%
Sep 2335°C21°C37°C 200818°C 199611%
Sep 2435°C22°C37°C 200917°C 199611%
Sep 2535°C22°C36°C 201220°C 199611%
Sep 2635°C22°C37°C 201320°C 199911%
Sep 2735°C22°C37°C 201320°C 199312%
Sep 2835°C22°C36°C 201319°C 199314%
Sep 2935°C22°C37°C 201320°C 200415%
Sep 3035°C22°C38°C 201319°C 199316%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Garissa, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

September 1
sunrise 6:18 AM, sunset 6:24 PM
September 30
sunrise 6:08 AM, sunset 6:15 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.