Weather on September 30 in Istanbul

Historical weather data for September 30 in Istanbul, Turkey

Avg High23°C (73°F)
Avg Low14°C (58°F)
Warmest202225°C
Coldest197713°C

Based on 55 years of data from ISTANBUL

About This Date

September 30th in Istanbul, Turkey typically brings pleasant fall weather, with average highs around 23°C and lows near 14°C. Over 55 years of records, the warmest September 30th was in 2022 (25°C average), while the coldest was 1977 (13°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 30th dates historically, with the wettest September 30th recording 4.6" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

Planning for September 30th in Istanbul? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202521°C (69°F)13°C (55°F)--
202420°C (68°F)14°C (58°F)2.01"
202325°C (77°F)18°C (65°F)0.15"
202230°C (86°F)21°C (69°F)--
202122°C (71°F)15°C (59°F)0.13"
2020--17°C (63°F)0.76"
2019--15°C (59°F)--
201822°C (72°F)--0"
2017--17°C (62°F)--
201628°C (82°F)14°C (58°F)0"
201518°C (65°F)--4.6"
201424°C (75°F)13°C (55°F)0"
2013--13°C (55°F)0"
201230°C (86°F)14°C (58°F)0"
201119°C (66°F)--1.09"
201022°C (71°F)--1.7"
200926°C (78°F)8°C (47°F)0"
200819°C (67°F)12°C (53°F)0.08"
200727°C (81°F)15°C (59°F)0"
200624°C (75°F)16°C (61°F)1.07"
200525°C (77°F)15°C (59°F)0.56"
200426°C (79°F)18°C (64°F)0"
200321°C (69°F)17°C (63°F)--
200223°C (73°F)18°C (64°F)--
200124°C (75°F)13°C (56°F)--
200022°C (71°F)13°C (56°F)--
199923°C (74°F)20°C (68°F)--
199821°C (70°F)18°C (64°F)0.4"
199720°C (68°F)12°C (53°F)--
199618°C (64°F)12°C (54°F)0.3"
199519°C (67°F)13°C (56°F)0.6"
199427°C (81°F)21°C (69°F)--
199321°C (70°F)14°C (58°F)--
199226°C (79°F)12°C (53°F)--
199131°C (87°F)18°C (65°F)--
199021°C (69°F)10°C (50°F)--
198924°C (76°F)18°C (64°F)--
198824°C (75°F)14°C (57°F)--
198719°C (67°F)16°C (61°F)0.1"
198621°C (69°F)11°C (51°F)--
198520°C (68°F)12°C (53°F)--
198426°C (78°F)13°C (55°F)--
198324°C (76°F)13°C (55°F)--
198226°C (79°F)17°C (62°F)--
198124°C (76°F)17°C (62°F)--
198019°C (66°F)12°C (53°F)1.5"
197925°C (77°F)17°C (62°F)--
197820°C (68°F)10°C (50°F)1.1"
197713°C (56°F)12°C (53°F)0"
197624°C (76°F)14°C (57°F)--
197526°C (78°F)14°C (58°F)--
197428°C (82°F)12°C (53°F)--
197325°C (77°F)18°C (64°F)--
197216°C (61°F)12°C (53°F)2.1"
197123°C (73°F)13°C (56°F)--

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