Gilgil climate

Gilgil Weather in September

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

Average highs run from 21°C on September 1 to 22°C on September 30, and lows from 10°C to 10°C. Normal precipitation for the month is 75 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 Gilgil, in °C, with the record for each date.51015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
22°C
Average low
10°C
Precipitation
75 mm
Reanalysis high
26°CSep 28, 2009
Reanalysis low
6°CSep 23, 1996
Daylight
12 h 06 min to 12 h 07 min
Cloud cover
61%
Humidity
74%
Dew point
10°C
Wind
10.8 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 121°C10°C24°C 20046°C 199371%
Sep 221°C10°C25°C 20047°C 202071%
Sep 321°C10°C24°C 20048°C 202070%
Sep 421°C10°C25°C 20057°C 199168%
Sep 521°C10°C26°C 20048°C 201366%
Sep 621°C10°C24°C 20008°C 200065%
Sep 721°C10°C25°C 20008°C 201563%
Sep 821°C10°C24°C 19978°C 199362%
Sep 921°C10°C24°C 20157°C 201661%
Sep 1021°C10°C25°C 20098°C 201461%
Sep 1122°C10°C25°C 20028°C 200060%
Sep 1222°C10°C25°C 19998°C 201659%
Sep 1322°C10°C25°C 19997°C 199157%
Sep 1422°C10°C25°C 20097°C 199956%
Sep 1522°C10°C25°C 20098°C 199455%
Sep 1622°C10°C25°C 20098°C 201854%
Sep 1722°C10°C26°C 20098°C 201852%
Sep 1822°C10°C25°C 19977°C 201852%
Sep 1922°C10°C26°C 19978°C 201852%
Sep 2022°C10°C25°C 20158°C 201253%
Sep 2122°C10°C25°C 20087°C 199953%
Sep 2222°C10°C26°C 20097°C 201254%
Sep 2322°C10°C25°C 19976°C 199655%
Sep 2422°C10°C26°C 19976°C 201056%
Sep 2522°C10°C26°C 19978°C 201056%
Sep 2622°C10°C26°C 20098°C 200656%
Sep 2722°C10°C25°C 19977°C 200757%
Sep 2822°C10°C26°C 20097°C 199758%
Sep 2922°C10°C26°C 20028°C 201058%
Sep 3022°C10°C26°C 20088°C 200157%

Chance of rain

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

Sunrise and sunset

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

September 1
sunrise 6:32 AM, sunset 6:38 PM
September 30
sunrise 6:21 AM, sunset 6:28 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.