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 the commencement of September, Orillia records a moderate temperature decline, with the average high easing from August's moderately hot 23.7°C (74.7°F) to a pleasant 20.2°C (68.4°F). During the nights in September, an average low-temperature of 10.9°C (51.6°F) is observed.Humidity
The average relative humidity in September in Orillia, Canada, is 80%.Rainfall
In September, in Orillia, Canada, the rain falls for 13.4 days. Throughout September, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Orillia, Canada, there are 150.5 rainfall days, and 729mm (28.7") of precipitation is accumulated.Snowfall
In Orillia, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Orillia, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:59 pm EDT.
Sunshine
In Orillia, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Orillia is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Orillia in September?
What is the average humidity in September in Orillia?
How much does it rain in Orillia in September?
When it does not snow in Orillia?
Does it snow in Orillia in September?
What is the average length of the day in September in Orillia?
What time are sunrise and sunset in September in Orillia?
How long on average sun shines in September in Orillia?
How high is the UV index in September in Orillia?
Average temperature in September
Orillia, Canada
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is July (24.2°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-11.5°C).
Average pressure in September
Orillia, Canada
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in September
Orillia, Canada
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is April (15.7km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in September
Orillia, Canada
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Orillia, Canada
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is October (77mm).
The driest month (with the least rainfall) is February (43mm).
Average rainfall days in September
Orillia, Canada
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is October (16.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Orillia, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (224mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Orillia, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Orillia, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
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 12min).
Average sunshine days in September
Orillia, Canada
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in September
Orillia, Canada
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Orillia, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Orillia, 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 and February (7km).
