Weather on September 18 in Istanbul

Historical weather data for September 18 in Istanbul, Turkey

Avg High26°C (79°F)
Avg Low16°C (61°F)
Warmest201626°C
Coldest197916°C

Based on 55 years of data from ISTANBUL

About This Date

September 18th in Istanbul, Turkey typically brings pleasant fall weather, with average highs around 26°C and lows near 16°C. Over 55 years of records, the warmest September 18th was in 2016 (26°C average), while the coldest was 1979 (16°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of September 18th dates historically, with the wettest September 18th recording 4.09" of rain. The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.

Planning for September 18th in Istanbul? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202523°C (74°F)16°C (60°F)--
202428°C (82°F)18°C (65°F)0"
202327°C (80°F)19°C (67°F)--
202229°C (85°F)----
202130°C (86°F)19°C (67°F)--
2020--21°C (69°F)--
2019--17°C (63°F)--
201826°C (78°F)----
201731°C (88°F)21°C (69°F)--
201633°C (92°F)19°C (67°F)0"
201528°C (83°F)20°C (68°F)0"
201422°C (72°F)--0"
201323°C (74°F)--0"
201228°C (83°F)20°C (68°F)1.3"
201132°C (89°F)19°C (67°F)0"
201030°C (86°F)14°C (58°F)0"
200927°C (80°F)16°C (61°F)0"
200820°C (68°F)--4.09"
200729°C (84°F)10°C (50°F)0"
200626°C (79°F)14°C (58°F)0"
2005--16°C (61°F)0"
200427°C (81°F)----
200324°C (75°F)14°C (57°F)0"
200222°C (72°F)13°C (56°F)--
200129°C (84°F)18°C (65°F)--
200029°C (85°F)17°C (63°F)--
199924°C (75°F)17°C (63°F)--
199826°C (79°F)16°C (60°F)--
199721°C (69°F)17°C (63°F)--
199624°C (75°F)14°C (58°F)--
199525°C (77°F)17°C (62°F)--
199430°C (86°F)20°C (68°F)--
199329°C (85°F)20°C (68°F)--
199227°C (80°F)15°C (59°F)--
199122°C (72°F)14°C (58°F)0"
199023°C (73°F)12°C (54°F)--
198922°C (72°F)13°C (55°F)--
198828°C (83°F)18°C (64°F)--
198725°C (77°F)16°C (61°F)--
198628°C (82°F)18°C (64°F)--
198526°C (78°F)13°C (56°F)--
198430°C (86°F)18°C (64°F)--
198333°C (92°F)15°C (59°F)--
198226°C (79°F)17°C (62°F)--
198121°C (70°F)14°C (58°F)--
198023°C (74°F)11°C (51°F)--
197921°C (70°F)9°C (49°F)0.1"
197822°C (72°F)12°C (53°F)0.3"
197727°C (80°F)16°C (60°F)--
197624°C (76°F)15°C (59°F)--
197526°C (79°F)19°C (66°F)--
197423°C (73°F)11°C (51°F)--
197324°C (76°F)13°C (56°F)--
197231°C (88°F)19°C (66°F)--
197127°C (81°F)18°C (65°F)--

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