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Guelph Weather in September
With daytime temperatures of 22°C (72°F) and nighttime lows of 10°C (50°F), September in Guelph brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 83 mm (3.3 in) falls on average.
Rainfall in Guelph in September
You can expect rain on around 11 days based on historical patterns, with 83 mm (3.3 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Guelph in September
The excellent temperature in Guelph in September makes it a solid month to visit, with 22°C (72°F) during the day and 10°C (50°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Guelph in September
The month brings about 178 hours of sunlight, offering a comfortable mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July, August and September typically offer the best weather for Guelph.
Guelph Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
38%
Precipitation
83 mm (3.3 in)
Rainy days
11 days
Sunshine
178 hours *
Percentage Sunshine
48% *
* Data from: Hamilton, Canada (44 KM, 27 Miles).
Guelph Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guelph - 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 Guelph 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Guelph 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
Guelph 3-Day Forecast
More climate data for Guelph
See the full Guelph 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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