September weather forecastHespeler, Canada
September
Weather in September
September, the first month of the autumn in Hespeler, is still a pleasant month, with an average temperature fluctuating between 20.9°C (69.6°F) and 11.3°C (52.3°F).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 20.9°C (69.6°F) from a moderately hot 24.4°C (75.9°F). During September, the average low-temperature in Hespeler is a cool 11.3°C (52.3°F).Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 38mm (1.5") of precipitation.Snowfall
June through September are months without snowfall in Hespeler.Daylight
In Hespeler, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:46 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September in Hespeler, Canada, is 8.6h.UV index
In Hespeler, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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
Hespeler, 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).
