Rethymno climate

Rethymno Weather in September

NASA POWER reanalysis for the half-degree grid cell around Rethymno, 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 25°C on September 30, and lows from 24°C to 21°C. Normal precipitation for the month is 15 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 Rethymno, in °C, with the record for each date.1520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
26°C
Average low
23°C
Precipitation
15 mm
Reanalysis high
32°CSep 11, 2017
Reanalysis low
17°CSep 29, 1992
Daylight
12 h 55 min to 11 h 52 min
Cloud cover
30%
Humidity
68%
Dew point
18°C
Wind
17.6 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 127°C24°C32°C 200722°C 19917%
Sep 227°C24°C31°C 202021°C 19917%
Sep 327°C24°C30°C 201722°C 19917%
Sep 427°C23°C30°C 200021°C 19978%
Sep 527°C23°C30°C 201521°C 19918%
Sep 627°C23°C32°C 201520°C 19978%
Sep 726°C23°C30°C 201520°C 19978%
Sep 826°C23°C32°C 201620°C 19938%
Sep 926°C23°C30°C 201721°C 19978%
Sep 1026°C23°C31°C 201520°C 19919%
Sep 1126°C23°C32°C 201719°C 20049%
Sep 1226°C23°C29°C 199319°C 20049%
Sep 1326°C23°C29°C 200819°C 200410%
Sep 1426°C23°C30°C 201219°C 200410%
Sep 1526°C23°C30°C 201220°C 200411%
Sep 1626°C23°C30°C 199320°C 199212%
Sep 1726°C22°C29°C 202020°C 199713%
Sep 1826°C22°C30°C 201720°C 199713%
Sep 1926°C22°C31°C 200119°C 199713%
Sep 2026°C22°C30°C 201120°C 199714%
Sep 2125°C22°C28°C 200020°C 200815%
Sep 2225°C22°C31°C 200018°C 199716%
Sep 2325°C22°C30°C 201418°C 199717%
Sep 2425°C22°C28°C 200218°C 199718%
Sep 2525°C22°C30°C 200119°C 199218%
Sep 2625°C22°C29°C 202018°C 199218%
Sep 2725°C22°C29°C 200418°C 199719%
Sep 2825°C21°C30°C 202018°C 199219%
Sep 2925°C21°C32°C 199117°C 199218%
Sep 3025°C21°C31°C 199119°C 200020%

Chance of rain

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

Sunrise and sunset

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

September 1
sunrise 6:54 AM, sunset 7:49 PM
September 30
sunrise 7:16 AM, sunset 7:08 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.