Weather on September 16 in Ottawa

Historical weather data for September 16 in Ottawa, Canada

Avg High20°C (68°F)
Avg Low9°C (48°F)
Warmest201823°C
Coldest19869°C

Based on 55 years of data from OTTAWA CDA

About This Date

September 16th in Ottawa, Canada typically brings mild fall weather, with average highs around 20°C and lows near 9°C. Over 55 years of records, the warmest September 16th was in 2018 (23°C average), while the coldest was 1986 (9°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 16th dates historically, with the wettest September 16th recording 1.58" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.

Planning for September 16th in Ottawa? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202525°C (77°F)8°C (47°F)--
202429°C (84°F)13°C (55°F)0"
202323°C (74°F)7°C (44°F)0"
202218°C (64°F)11°C (51°F)0"
202123°C (74°F)8°C (47°F)0"
202023°C (73°F)8°C (46°F)0"
201922°C (71°F)5°C (41°F)0"
201830°C (86°F)17°C (62°F)0"
201727°C (81°F)15°C (59°F)0"
201622°C (72°F)4°C (40°F)0"
201529°C (85°F)13°C (56°F)0"
201418°C (64°F)9°C (49°F)0"
201312°C (54°F)6°C (43°F)0"
201218°C (64°F)4°C (39°F)0"
201114°C (57°F)4°C (40°F)0"
201013°C (55°F)7°C (44°F)1.58"
200916°C (60°F)6°C (42°F)0"
200818°C (64°F)3°C (38°F)0"
200717°C (63°F)3°C (37°F)0"
200624°C (75°F)9°C (49°F)0"
200519°C (67°F)15°C (59°F)1.4"
200426°C (78°F)13°C (56°F)0"
200323°C (74°F)14°C (57°F)0"
200222°C (71°F)11°C (51°F)0"
200122°C (72°F)7°C (45°F)0"
200012°C (54°F)9°C (48°F)0.04"
199918°C (64°F)12°C (54°F)0.1"
199820°C (68°F)9°C (49°F)0"
199718°C (65°F)11°C (52°F)0"
199615°C (59°F)12°C (53°F)0"
199520°C (68°F)3°C (38°F)0.02"
199428°C (83°F)13°C (55°F)0.53"
199316°C (60°F)5°C (41°F)0"
199224°C (76°F)13°C (56°F)0"
199129°C (84°F)16°C (60°F)1.36"
199014°C (57°F)6°C (42°F)0"
198917°C (63°F)7°C (44°F)0.32"
198818°C (64°F)2°C (36°F)0"
198724°C (75°F)11°C (51°F)0"
198613°C (55°F)6°C (42°F)0.02"
198521°C (70°F)7°C (44°F)0"
198416°C (60°F)6°C (43°F)0.12"
198317°C (62°F)8°C (46°F)0.8"
198217°C (63°F)10°C (50°F)0.1"
198117°C (63°F)6°C (43°F)0"
198021°C (69°F)5°C (41°F)0"
197919°C (67°F)9°C (48°F)0"
197817°C (63°F)13°C (55°F)0"
197715°C (59°F)11°C (51°F)0.3"
197623°C (73°F)15°C (59°F)0"
197519°C (67°F)11°C (52°F)0.03"
197415°C (59°F)7°C (45°F)0"
197313°C (56°F)8°C (47°F)0"
197222°C (71°F)13°C (56°F)0.13"
197120°C (68°F)10°C (50°F)0.08"

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