Ontario Weather in September
Check the Weather in Ontario in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall.
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| Max Daytime Temperature (°C) | |
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21°C (70°F) in September |
| Min Night-time Temperature (°C) | |
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11°C (52°F) in September |
| Hours of Sunshine (Daily) | |
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6 Hours per day in September |
| Hours of Daylight (Daily) | |
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12 Hours per day in September |
| Heat and Humidity Discomfort | |
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None in September |
| Days with some Rainfall | |
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10 Days in September |
| Monthly Rainfall (mm) | |
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73 mm (2.9 inches) in September |
| UV Index (Maximum) | |
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5 (Moderate) in September |
| Sea Temperature (°C) | |
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19°C (66°F) in September |
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The Ontario September Weather Guide shown above is based on the Toronto September Weather Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Ontario with available September Weather Guides.
Hamilton Kenora Kingston Moosonee Niagara Falls North Bay Ottawa Peawanuk Sault Ste. Marie Sudbury Thunder Bay Timmins Toronto Windsor
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| Popular September Weather Regions | |
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1. |
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2. |
Tenerife, Canary Islands, Spain |
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4. |
Crete, Greece |
5. |
Dalaman and Marmaris Coast, Turkey |
6. |
Sharm el-Sheikh, Egypt |
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8. |
Antalya Coast, Turkey |
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10. |
Rhodes, Greece |
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| Popular September Weather Destinations | |
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1. |
Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain |
2. |
Nicosia, Cyprus |
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Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt |
4. |
Tunis, Tunisia |
5. |
Port Louis, Mauritius |
6. |
Khania, Crete, Greece |
7. |
Dalaman, Dalaman and Marmaris Coast, Turkey |
8. |
Praia, Santiago, Cape Verde |
9. |
Rhodes Town, Rhodes, Greece |
10. |
Antalya, Antalya Coast, Turkey |
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