Weather on September 29 in Ottawa

Historical weather data for September 29 in Ottawa, Canada

Avg High18°C (64°F)
Avg Low8°C (46°F)
Warmest197121°C
Coldest19914°C

Based on 54 years of data from OTTAWA CDA

About This Date

September 29th in Ottawa, Canada typically brings mild fall weather, with average highs around 18°C and lows near 8°C. Over 54 years of records, the warmest September 29th was in 1971 (21°C average), while the coldest was 1991 (4°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 44% of September 29th dates historically, with the wettest September 29th recording 2.67" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

Planning for September 29th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202527°C (81°F)12°C (54°F)--
202322°C (72°F)9°C (49°F)0"
202214°C (58°F)7°C (45°F)0"
202115°C (59°F)8°C (46°F)0"
202021°C (70°F)13°C (56°F)0.98"
201914°C (58°F)4°C (40°F)0.02"
201816°C (61°F)8°C (46°F)0.07"
201715°C (59°F)5°C (41°F)0"
201619°C (66°F)8°C (47°F)0"
201522°C (72°F)14°C (57°F)1.15"
201423°C (73°F)14°C (58°F)0"
201322°C (72°F)6°C (43°F)0"
201218°C (64°F)3°C (37°F)--
201125°C (77°F)17°C (63°F)0.27"
201017°C (62°F)13°C (55°F)0.06"
200914°C (58°F)6°C (43°F)1.04"
200814°C (58°F)10°C (50°F)0"
200717°C (62°F)6°C (42°F)0"
200611°C (52°F)7°C (45°F)0"
200518°C (65°F)3°C (38°F)0.36"
200419°C (66°F)7°C (44°F)0"
200317°C (63°F)7°C (45°F)0.18"
200215°C (59°F)4°C (40°F)0"
200118°C (65°F)7°C (45°F)0"
200015°C (59°F)-3°C (27°F)0"
199923°C (74°F)18°C (64°F)1.98"
199821°C (69°F)3°C (38°F)0.18"
199714°C (58°F)11°C (52°F)1.49"
199617°C (62°F)9°C (49°F)0.6"
199519°C (67°F)1°C (33°F)0"
199417°C (62°F)10°C (50°F)0"
19939°C (49°F)4°C (40°F)0"
199211°C (51°F)6°C (42°F)0"
19918°C (47°F)1°C (33°F)0.1"
199015°C (59°F)12°C (53°F)2.38"
198918°C (65°F)10°C (50°F)0"
198814°C (57°F)1°C (34°F)0.08"
198724°C (75°F)13°C (56°F)1.3"
198621°C (69°F)12°C (53°F)2.54"
198523°C (74°F)8°C (46°F)0"
198413°C (56°F)4°C (40°F)0"
198322°C (72°F)4°C (39°F)0"
198218°C (65°F)6°C (43°F)0"
198111°C (51°F)4°C (39°F)0"
198017°C (62°F)-2°C (29°F)0.1"
197922°C (72°F)11°C (51°F)0.02"
197817°C (62°F)0°C (32°F)0.02"
197713°C (55°F)6°C (42°F)0.52"
197617°C (63°F)6°C (42°F)0"
197523°C (73°F)7°C (45°F)0"
197422°C (71°F)17°C (63°F)0.1"
197318°C (64°F)10°C (50°F)0"
197219°C (66°F)7°C (44°F)2.67"
197127°C (81°F)16°C (60°F)0"

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