Cessnock climate

Cessnock Weather in September

1991-2020 means of the daily record at Williamtown Raaf (GHCN ASN00061078), 45 km from Cessnock

Average highs run from 21°C on September 1 to 23°C on September 30, and lows from 9°C to 10°C. Normal precipitation for the month is 61 mm over about 7 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 Cessnock, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
22°C
Average low
9°C
Precipitation
61 mm
Record high
36°CSep 26, 2013
Record low
0°CSep 13, 1984
Daylight
11 h 24 min to 12 h 22 min
Cloud cover
44%
Humidity
65%
Dew point
7°C
Wind
6.5 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 121°C9°C28°C 20242°C 195828%
Sep 221°C9°C30°C 19824°C 195828%
Sep 322°C9°C30°C 20264°C 197128%
Sep 421°C9°C29°C 19942°C 197328%
Sep 521°C9°C33°C 20262°C 198228%
Sep 621°C9°C31°C 20193°C 198127%
Sep 720°C8°C31°C 20133°C 195626%
Sep 821°C9°C32°C 19802°C 195524%
Sep 920°C10°C29°C 19812°C 197124%
Sep 1021°C9°C31°C 20133°C 197224%
Sep 1121°C8°C30°C 19813°C 198223%
Sep 1222°C9°C31°C 20211°C 197122%
Sep 1322°C8°C34°C 20170°C 198422%
Sep 1423°C9°C29°C 20072°C 195321%
Sep 1523°C9°C33°C 20182°C 197220%
Sep 1623°C10°C32°C 20234°C 197220%
Sep 1722°C10°C34°C 20233°C 197019%
Sep 1822°C10°C33°C 20234°C 196920%
Sep 1924°C10°C34°C 20234°C 200320%
Sep 2022°C10°C34°C 20234°C 201420%
Sep 2123°C9°C29°C 20064°C 198621%
Sep 2224°C10°C35°C 20034°C 197921%
Sep 2324°C10°C36°C 20032°C 197122%
Sep 2424°C11°C35°C 20064°C 200722%
Sep 2523°C11°C35°C 19804°C 194222%
Sep 2622°C10°C36°C 20134°C 194223%
Sep 2722°C10°C32°C 19652°C 198423%
Sep 2824°C10°C34°C 19653°C 200322%
Sep 2924°C11°C35°C 19653°C 200323%
Sep 3023°C10°C36°C 19803°C 200724%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cessnock, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+10).

September 1
sunrise 6:13 AM, sunset 5:37 PM
September 30
sunrise 5:34 AM, sunset 5:56 PM

Every day of September: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station ASN00061078, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.