Weather on September 28 in Ottawa

Historical weather data for September 28 in Ottawa, Canada

Avg High18°C (65°F)
Avg Low9°C (48°F)
Warmest202021°C
Coldest20004°C

Based on 55 years of data from OTTAWA CDA

About This Date

September 28th in Ottawa, Canada typically brings mild fall weather, with average highs around 18°C and lows near 9°C. Over 55 years of records, the warmest September 28th was in 2020 (21°C average), while the coldest was 2000 (4°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 40% of September 28th dates historically, with the wettest September 28th recording 1.98" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.

Planning for September 28th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202524°C (75°F)16°C (60°F)--
202422°C (71°F)9°C (48°F)0"
202322°C (71°F)4°C (40°F)0"
202215°C (59°F)12°C (53°F)0"
202116°C (61°F)6°C (42°F)0"
202027°C (80°F)15°C (59°F)0"
201918°C (65°F)9°C (48°F)0.68"
201821°C (70°F)7°C (45°F)0.32"
201715°C (59°F)10°C (50°F)0"
201619°C (67°F)11°C (51°F)0"
201521°C (70°F)16°C (61°F)0.44"
201426°C (78°F)14°C (58°F)0"
201322°C (71°F)6°C (42°F)0"
201217°C (62°F)2°C (36°F)--
201123°C (74°F)14°C (58°F)0"
201024°C (75°F)14°C (57°F)1.93"
200917°C (62°F)11°C (52°F)0.32"
200821°C (70°F)15°C (59°F)0.02"
200719°C (67°F)11°C (52°F)0"
200617°C (63°F)9°C (48°F)1.59"
200522°C (71°F)9°C (48°F)0"
200418°C (65°F)8°C (47°F)0"
200316°C (61°F)12°C (53°F)0.19"
200216°C (61°F)10°C (50°F)0"
200114°C (57°F)9°C (49°F)0.08"
20009°C (48°F)0°C (32°F)0"
199927°C (81°F)14°C (57°F)0"
199817°C (62°F)12°C (54°F)0"
199721°C (69°F)6°C (42°F)0.58"
199619°C (66°F)13°C (56°F)1.78"
199514°C (58°F)4°C (39°F)0"
199416°C (60°F)12°C (53°F)1.32"
199316°C (60°F)11°C (51°F)0.06"
199219°C (66°F)11°C (51°F)0.08"
19918°C (47°F)4°C (39°F)0.56"
199023°C (74°F)10°C (50°F)1.98"
198918°C (65°F)2°C (36°F)0"
198814°C (57°F)7°C (44°F)0"
198724°C (75°F)7°C (44°F)0.26"
198615°C (59°F)9°C (49°F)0.38"
198519°C (67°F)9°C (48°F)0"
198416°C (60°F)1°C (33°F)0"
198319°C (67°F)6°C (42°F)0"
198217°C (62°F)13°C (55°F)0"
198111°C (52°F)8°C (46°F)0.02"
198010°C (50°F)5°C (41°F)0"
197919°C (66°F)12°C (53°F)0"
197813°C (56°F)7°C (44°F)0"
197714°C (58°F)10°C (50°F)0.28"
197612°C (53°F)3°C (37°F)0"
197520°C (68°F)11°C (52°F)0.03"
197420°C (68°F)12°C (53°F)0.18"
197320°C (68°F)9°C (48°F)0"
197216°C (60°F)1°C (34°F)0"
197121°C (69°F)11°C (51°F)0"

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