September weather forecastSaint Andrews, Canada
September
Weather in September
September, the first month of the autumn in Saint Andrews, is still a comfortable month, with an average temperature ranging between min 12.5°C (54.5°F) and max 17.5°C (63.5°F).Temperature
The onset of September marks an average high-temperature of a still refreshing 17.5°C (63.5°F), hardly differing from August's 19.9°C (67.8°F). September records a small disparity from daytime temperatures, marking an average low-temperature of 12.5°C (54.5°F) in Saint Andrews.Humidity
In Saint Andrews, Canada, the average relative humidity in September is 80%.Rainfall
In Saint Andrews, in September, during 11 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Saint Andrews, during the entire year, the rain falls for 143.2 days and collects up to 746mm (29.37") of precipitation.Snowfall
May through September are months without snowfall in Saint Andrews.Sea temperature
In Saint Andrews, in September, the average water temperature is 12.7°C (54.9°F).Note: Unprotected swimming in 12.7°C (54.9°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
In Saint Andrews, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:04 pm. On the last day of September, in Saint Andrews, sunrise is at 7:25 am and sunset at 7:10 pm ADT.
Sunshine
In Saint Andrews, Canada, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Saint Andrews is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Andrews, Canada
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).
Average pressure in September
Saint Andrews, Canada
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is June (1012.9mbar).
Average wind speed in September
Saint Andrews, Canada
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is January (22.3km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Saint Andrews, Canada
- Average humidity in September: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Saint Andrews, Canada
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is August (42mm).
Average rainfall days in September
Saint Andrews, Canada
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Saint Andrews, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (67mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Saint Andrews, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Saint Andrews, Canada
- Average sea temperature in September: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (2.9°C).
Average daylight in September /
Average sunshine in September
Saint Andrews, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Saint Andrews, Canada
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Saint Andrews, Canada
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Saint Andrews, Canada
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Saint Andrews, Canada
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
