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Richmond Hill Weather in September
With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), September in Richmond Hill brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 79 mm (3.1 in) falls on average.
Rainfall in Richmond Hill in September
Looking at the last 30 years, the data shows about 10 days with rain, averaging 79 mm (3.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Richmond Hill in September
The temperature in Richmond Hill in September is excellent. Daytime highs reach 23°C (73°F), with nights dropping to 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Richmond Hill in September
There are approximately 195 hours of sunshine this month, resulting in mostly clear days.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Richmond Hill.
Richmond Hill Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
32%
Precipitation
79 mm (3.1 in)
Rainy days
10 days
Humidity
87% *
Sunshine
195 hours *
Percentage Sunshine
52% *
* Data from: Toronto, Canada (24 KM, 15 Miles).
Richmond Hill Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Richmond Hill - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Richmond Hill in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Richmond Hill in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Richmond Hill 3-Day Forecast
More climate data for Richmond Hill
Temperature Rainfall Sunshine Humidity
See the full Richmond Hill climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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