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Things to Do in Ottawa in September
Real historical weather for Ottawa in September: average highs of 23°C and lows of 13°C, with around 40mm of rain (averaged over the last 3 years). Ottawa is in Canada.
23°C
Average high
13°C
Average low
40mm
Typical rainfall
Real things to do in Ottawa in September
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Moana Floating Tiki Bar on the Ottawa River (Ottawa PickUp)
★ 5.0(2 reviews)· 1h 30m
From €54

Ottawa City Highlights 3 Hour Walking Tour | Gratuity-Based
★ 4.6(163 reviews)· 3 hrs
From €4

Original Haunted Walk of Ottawa
★ 4.6(293 reviews)· 1h 15m
From €24

Ottawa Boat Cruise - Paul's Boat Line
★ 4.3(965 reviews)· 1h 30m
From €34

Ottawa Boat Cruise - Rideau Canal Cruise
★ 4.3(1,212 reviews)· 1h 30m
From €36

Ottawa City Tour by Land and Water
★ 4.2(655 reviews)· 1 hr
From €38

Ottawa Hop-On Hop-Off Sightseeing Tour
★ 4.2(475 reviews)· 1h 30m
From €34

Ottawa Scavenger Hunt & Highlights Self-Guided Walking Tour
★ 4.0(7 reviews)· 2 hrs
From €6

Ottawa Murder Mystery: Self-Guided City Detective Game
★ 4.0(4 reviews)· 2 hrs
From €7

Ottawa Street Art Exploration Game and Self-Guided Tour
★ 4.0(21 reviews)· 1h 20m
From €6
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FAQs — Ottawa in September
Based on real historical data (averaged over the last 3 years), expect highs around 23°C and lows around 13°C, with roughly 40mm of rain.