September weather forecastCambridge, Canada
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Cambridge, Canada, with an average temperature varying between 11.3°C (52.3°F) and 20.9°C (69.6°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 24.4°C (75.9°F) in August to a pleasant 20.9°C (69.6°F). Cambridge observes an average nighttime temperature of 11.3°C (52.3°F) during September.Humidity
In September, the average relative humidity in Cambridge is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 38mm (1.5") of precipitation.Snowfall
In Cambridge, snow does not fall in June through September.Daylight
In Cambridge, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:55 pm. On the last day of September, in Cambridge, sunrise is at 7:18 am and sunset at 7:03 pm EDT.
Sunshine
In Cambridge, Canada, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cambridge, Canada
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-3.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in September
Cambridge, Canada
- Average pressure in September: 1017mbar
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
Cambridge, Canada
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity in September
Cambridge, Canada
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Cambridge, Canada
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (67mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Cambridge, Canada
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Cambridge, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cambridge, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cambridge, 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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Cambridge, Canada
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Cambridge, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Cambridge, Canada
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Cambridge, Canada
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
