Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 24.5°C (76.1°F) in August to a pleasant 21.3°C (70.3°F). September's average low-temperature reading settles at a fresh 11.7°C (53.1°F).Humidity
In Grand Bend, Canada, the average relative humidity in September is 80%.Rainfall
In Grand Bend, during September, the rain falls for 10.6 days and regularly aggregates up to 23mm (0.91") of precipitation. In Grand Bend, Canada, during the entire year, the rain falls for 128.1 days and collects up to 346mm (13.62") of precipitation.Snowfall
June through September are months without snowfall in Grand Bend.Daylight
In Grand Bend, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:51 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:09 pm EDT.
Sunshine
In Grand Bend, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average September temperature in Grand Bend?
What is the average humidity in September in Grand Bend?
How many days does it rain in September in Grand Bend?
When it does not snow in Grand Bend?
Does it snow in Grand Bend in September?
What is the average length of the day in September in Grand Bend?
What time are sunrise and sunset in September in Grand Bend?
How many hours of sunshine does Grand Bend have in September?
How high is the UV index in September in Grand Bend?
Average temperature in September
Grand Bend, Canada
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is July (15.4°C).
The coldest months (with the lowest average low temperature) are January and February (-8.2°C).
Average pressure in September
Grand Bend, Canada
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in September
Grand Bend, Canada
- Average wind speed in September: 11.8km/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 (10.4km/h).
Average humidity in September
Grand Bend, Canada
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Grand Bend, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is March (20mm).
Average rainfall days in September
Grand Bend, Canada
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (14.1 days).
The months with the least rainy days are January and February (5.7 days).
Average snowfall in September
Grand Bend, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grand Bend, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grand Bend, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Grand Bend, Canada
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Grand Bend, Canada
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Grand Bend, Canada
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Grand Bend, Canada
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Grand Bend, Canada
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