September weather forecastCobourg, Canada
September
Weather in September
September, the first month of the autumn in Cobourg, is also an agreeable month, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.7°C (53.1°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 23.8°C (74.8°F) to an agreeable 20.5°C (68.9°F). The nights of September anticipate an average low-temperature of 11.7°C (53.1°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In Cobourg, during September, the rain falls for 13.8 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, there are 143.9 rainfall days, and 609mm (23.98") of precipitation is accumulated.Snowfall
In Cobourg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:36 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm EDT.
Sunshine
In Cobourg, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cobourg, Canada
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-10.3°C).
Average pressure in September
Cobourg, Canada
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is March (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in September
Cobourg, Canada
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is January (16.2km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in September
Cobourg, Canada
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Cobourg, Canada
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is October (69mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in September
Cobourg, Canada
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Cobourg, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (122mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cobourg, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cobourg, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Cobourg, Canada
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in September
Cobourg, Canada
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cobourg, Canada
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cobourg, Canada
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
