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
September
Weather in September
Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 23.6°C (74.5°F) in August to a refreshing 19.6°C (67.3°F). During September, Saint-Germain-de-Grantham's temperature falls to a steady low-temperature average of 9.8°C (49.6°F).Humidity
In September, the average relative humidity in Saint-Germain-de-Grantham is 81%.Rainfall
In Saint-Germain-de-Grantham, in September, during 13.7 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Saint-Germain-de-Grantham, Canada, during the entire year, the rain falls for 166.9 days and collects up to 896mm (35.28") of precipitation.Snowfall
In Saint-Germain-de-Grantham, snow does not fall in June through September.Daylight
In Saint-Germain-de-Grantham, the average length of the day in September is 12h and 32min.On the first day of September in Saint-Germain-de-Grantham, sunrise is at 6:12 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:31 pm EDT.
Sunshine
In Saint-Germain-de-Grantham, the average sunshine in September is 8.2h.UV index
In Saint-Germain-de-Grantham, 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 unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Germain-de-Grantham?
What is the average humidity in September in Saint-Germain-de-Grantham?
How much does it rain in Saint-Germain-de-Grantham in September?
When it does not snow in Saint-Germain-de-Grantham?
Does it snow in Saint-Germain-de-Grantham in September?
What is the average length of the day in September in Saint-Germain-de-Grantham?
When is the sunrise / sunset in September in Saint-Germain-de-Grantham?
How long on average sun shines in September in Saint-Germain-de-Grantham?
What is the UV index intensity in September in Saint-Germain-de-Grantham?
Average temperature in September
Saint-Germain-de-Grantham, Canada
- Average high temperature in September: 19.6°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 (-6.2°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (14.6°C).
The coldest month (with the lowest average low temperature) is January (-13.4°C).
Average pressure in September
Saint-Germain-de-Grantham, Canada
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is November (1017.5mbar).
The month with the lowest atmospheric pressure is June (1012.3mbar).
Average wind speed in September
Saint-Germain-de-Grantham, Canada
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is April (13.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Saint-Germain-de-Grantham, Canada
- Average humidity in September: 81%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Saint-Germain-de-Grantham, Canada
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is June (92mm).
The driest months (with the least rainfall) are January and February (58mm).
Average rainfall days in September
Saint-Germain-de-Grantham, Canada
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Saint-Germain-de-Grantham, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (284mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Germain-de-Grantham, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint-Germain-de-Grantham, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Saint-Germain-de-Grantham, Canada
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is April (8.2 days).
Average UV index in September
Saint-Germain-de-Grantham, 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, March and December (UV index 1).
Average cloud cover in September
Saint-Germain-de-Grantham, Canada
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Saint-Germain-de-Grantham, Canada
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and October (9km).
The months with the lowest visibility are January, February, March and December (7km).
