September weather forecastCatalina, Canada
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Catalina, Canada, with an average temperature fluctuating between 11°C (51.8°F) and 15.2°C (59.4°F).Temperature
In September, the average high-temperature registers at a still refreshing 15.2°C (59.4°F), nearly identical to August's 18°C (64.4°F). Catalina maintains a minor drop in temperature during September nights, with averages of 11°C (51.8°F).Humidity
September through December, with an average relative humidity of 82%, are the least humid months.Rainfall
In Catalina, Canada, in September, during 13.6 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 160.6 rainfall days, and 791mm (31.14") of precipitation is accumulated.Snowfall
In Catalina, snow does not fall in June through October.Sea temperature
In Catalina, Canada, in September, the average water temperature is 11.7°C (53.1°F).Note: It is advised against swimming in 11.7°C (53.1°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In Catalina, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:20 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:42 pm NDT.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September in Catalina is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Catalina, Canada
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is February (-0.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-4.8°C).
Average pressure in September
Catalina, Canada
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).
Average wind speed in September
Catalina, Canada
- Average wind speed in September: 23.1km/h
The windiest month (with the highest average wind speed) is February (30.5km/h).
The calmest month (with the lowest average wind speed) is June (19.9km/h).
Average humidity in September
Catalina, Canada
- Average humidity in September: 82%
The months with the highest relative humidity are June and July (86%).
The months with the lowest relative humidity are September, October, November and December (82%).
Average rainfall in September
Catalina, Canada
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is August (47mm).
Average rainfall days in September
Catalina, Canada
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Catalina, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Catalina, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Catalina, Canada
- Average sea temperature in September: 11.7°C
The best month for swimming (with the highest average sea temperature) is August (13.7°C).
The coldest month (with the lowest average sea temperature) is March (-0.9°C).
Average daylight in September /
Average sunshine in September
Catalina, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Catalina, Canada
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is August (13.7 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in September
Catalina, Canada
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in September
Catalina, Canada
- Average cloud cover in September: 47
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in September
Catalina, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).
