Weather on September 11 in Sydney

Historical weather data for September 11 in Sydney, Australia

Avg High21°C (70°F)
Avg Low12°C (53°F)
Warmest198923°C
Coldest197112°C

Based on 55 years of data from SYDNEY (OBSERVATORY HILL)

About This Date

September 11th in Sydney, Australia typically brings pleasant fall weather, with average highs around 21°C and lows near 12°C. Over 55 years of records, the warmest September 11th was in 1989 (23°C average), while the coldest was 1971 (12°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 11th dates historically, with the wettest September 11th recording 2.96" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for September 11th in Sydney? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202517°C (62°F)11°C (51°F)--
202420°C (68°F)14°C (57°F)--
202317°C (63°F)11°C (51°F)--
202219°C (67°F)14°C (57°F)--
202128°C (83°F)13°C (55°F)--
202018°C (65°F)14°C (57°F)--
201919°C (67°F)8°C (47°F)0"
201823°C (73°F)12°C (54°F)0"
201723°C (73°F)9°C (48°F)0"
201621°C (70°F)13°C (55°F)0"
201521°C (70°F)14°C (57°F)0"
201426°C (78°F)12°C (54°F)0.02"
201325°C (77°F)14°C (58°F)0"
201222°C (71°F)13°C (55°F)0"
201121°C (69°F)10°C (50°F)0.02"
201020°C (68°F)11°C (52°F)0.08"
200922°C (72°F)9°C (49°F)0"
200818°C (64°F)7°C (45°F)0"
200722°C (72°F)13°C (56°F)0"
200619°C (66°F)10°C (50°F)2.96"
200524°C (76°F)18°C (64°F)0.06"
200424°C (75°F)11°C (52°F)0"
200326°C (78°F)12°C (53°F)0"
200218°C (64°F)7°C (45°F)0.2"
200121°C (70°F)13°C (56°F)0"
200023°C (73°F)9°C (49°F)0"
199917°C (62°F)9°C (48°F)0.26"
199819°C (67°F)15°C (59°F)0"
199719°C (66°F)10°C (50°F)0"
199618°C (64°F)9°C (48°F)0"
199519°C (67°F)13°C (55°F)0"
199422°C (71°F)9°C (49°F)0"
199319°C (66°F)9°C (49°F)0"
199223°C (73°F)8°C (46°F)0"
199119°C (66°F)12°C (53°F)1.08"
199018°C (65°F)9°C (48°F)0"
198927°C (81°F)18°C (64°F)0"
198826°C (78°F)17°C (63°F)0"
198718°C (64°F)9°C (48°F)0"
198620°C (68°F)11°C (51°F)0"
198520°C (68°F)13°C (55°F)0"
198421°C (70°F)13°C (56°F)0"
198321°C (69°F)11°C (52°F)0.28"
198217°C (63°F)9°C (48°F)0"
198130°C (86°F)13°C (55°F)0"
198024°C (76°F)11°C (51°F)0"
197919°C (66°F)17°C (62°F)1.28"
197822°C (71°F)9°C (49°F)0"
197719°C (67°F)11°C (51°F)0"
197618°C (64°F)12°C (53°F)0"
197522°C (71°F)13°C (56°F)0"
197423°C (74°F)13°C (56°F)0"
197322°C (72°F)12°C (53°F)0"
197222°C (71°F)10°C (50°F)0"
197117°C (62°F)8°C (46°F)0.13"

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September 11 Weather in Sydney, Australia - Historical Data