September weather forecastWiarton, Canada
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Wiarton, Canada, with an average temperature fluctuating between 13.7°C (56.7°F) and 18.9°C (66°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's agreeable 22°C (71.6°F) to an enjoyable 18.9°C (66°F). The average temperature in Wiarton, Canada, drops to a still refreshing 13.7°C (56.7°F) during the night in the month of September.Humidity
September is the least humid month in Wiarton, Canada, with an average relative humidity of 77%.Rainfall
In Wiarton, during September, the rain falls for 14.9 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Wiarton, there are 146.1 rainfall days, and 731mm (28.78") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Wiarton, Canada, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:47 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:06 pm EDT.
Sunshine
In Wiarton, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wiarton, Canada
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in September
Wiarton, Canada
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in September
Wiarton, Canada
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is January (24km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).
Average humidity in September
Wiarton, Canada
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Wiarton, Canada
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is October (78mm).
The driest month (with the least rainfall) is July (40mm).
Average rainfall days in September
Wiarton, Canada
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is October (18.2 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in September
Wiarton, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Wiarton, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wiarton, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Wiarton, Canada
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is July (15.1 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Wiarton, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Wiarton, Canada
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Wiarton, Canada
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).





