Weather on September 15 in Perth

Historical weather data for September 15 in Perth, Australia

Avg High20°C (68°F)
Avg Low10°C (50°F)
Warmest198722°C
Coldest198612°C

Based on 53 years of data from PERTH REGIONAL OFFICE

About This Date

September 15th in Perth, Australia typically brings mild fall weather, with average highs around 20°C and lows near 10°C. Over 53 years of records, the warmest September 15th was in 1987 (22°C average), while the coldest was 1986 (12°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 51% of September 15th dates historically, with the wettest September 15th recording 3" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for September 15th in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202517°C (62°F)11°C (52°F)0.88"
202424°C (76°F)12°C (54°F)0"
202321°C (69°F)16°C (60°F)0.3"
202219°C (66°F)11°C (52°F)0.14"
202121°C (70°F)7°C (45°F)0"
202027°C (80°F)11°C (51°F)0"
201922°C (71°F)11°C (52°F)0"
201819°C (67°F)5°C (41°F)0"
201728°C (82°F)14°C (57°F)0"
201618°C (65°F)4°C (40°F)0"
201518°C (64°F)9°C (48°F)0.12"
201423°C (73°F)11°C (51°F)0"
201318°C (64°F)12°C (53°F)1.12"
201226°C (79°F)8°C (46°F)0"
201121°C (70°F)14°C (57°F)0.06"
201022°C (72°F)6°C (42°F)0"
200917°C (63°F)13°C (56°F)0.54"
200821°C (69°F)6°C (43°F)0.12"
200718°C (65°F)10°C (50°F)1"
200627°C (80°F)11°C (51°F)0"
200518°C (65°F)5°C (41°F)0"
200420°C (68°F)8°C (46°F)0"
200321°C (69°F)5°C (41°F)0"
200215°C (59°F)8°C (47°F)3"
200120°C (68°F)14°C (58°F)0.02"
200019°C (67°F)11°C (52°F)0.16"
199915°C (59°F)8°C (46°F)0.74"
199822°C (71°F)7°C (44°F)0"
199724°C (76°F)11°C (51°F)0"
199620°C (68°F)16°C (61°F)1"
199521°C (70°F)7°C (45°F)0"
199422°C (71°F)7°C (44°F)0"
199114°C (58°F)8°C (47°F)1.52"
199020°C (68°F)15°C (59°F)0.1"
198918°C (64°F)10°C (50°F)0.78"
198819°C (66°F)9°C (49°F)0.6"
198729°C (84°F)15°C (59°F)0"
198616°C (60°F)8°C (47°F)2.4"
198517°C (63°F)8°C (47°F)0"
198417°C (62°F)11°C (51°F)0.66"
198321°C (70°F)14°C (57°F)1.14"
198217°C (62°F)9°C (49°F)2.96"
198122°C (71°F)11°C (51°F)0"
198018°C (64°F)11°C (52°F)0"
197918°C (65°F)12°C (53°F)0.16"
197819°C (66°F)11°C (51°F)2.64"
197721°C (70°F)15°C (59°F)0.2"
197624°C (76°F)12°C (54°F)0"
197519°C (67°F)10°C (50°F)0"
197423°C (73°F)10°C (50°F)0"
197317°C (63°F)11°C (52°F)1.09"
197220°C (68°F)12°C (53°F)0.05"
197122°C (71°F)9°C (48°F)0"

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