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
Onset of September witnesses a reduction in the average high-temperature, falling from an agreeable 22.3°C (72.1°F) in August to a refreshing 17.1°C (62.8°F). During September, Iroquois Falls sees a mean low-temperature of 7.4°C (45.3°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 50mm (1.97") of precipitation is accumulated. In Iroquois Falls, during the entire year, the rain falls for 117.7 days and collects up to 555mm (21.85") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Iroquois Falls, Canada. Throughout September, in the average 0.5 snowfall days, it receives 3mm (0.12") of snow. In Iroquois Falls, during the entire year, snow falls for 142.2 days and aggregates up to 1653mm (65.08") of snow.Daylight
The average length of the day in September is 12h and 34min.On the first day of September in Iroquois Falls, sunrise is at 6:40 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September in Iroquois Falls is 7h.UV index
In Iroquois Falls, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in September interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the temperature in September in Iroquois Falls?
What is the average humidity in September in Iroquois Falls?
How many days does it rain in September in Iroquois Falls?
When does it start snowing in Iroquois Falls?
How many hours of daylight does Iroquois Falls have in September?
When is the sunrise / sunset in September in Iroquois Falls?
How many hours of sunshine does Iroquois Falls have in September?
What is the UV index intensity in September in Iroquois Falls?
Average temperature in September
Iroquois Falls, Canada
- Average high temperature in September: 17.1°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 (-10.7°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-19.1°C).
Average pressure in September
Iroquois Falls, Canada
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is March (1019.1mbar).
The month with the lowest atmospheric pressure is July (1011.7mbar).
Average wind speed in September
Iroquois Falls, Canada
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is June (10km/h).
Average humidity in September
Iroquois Falls, Canada
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Iroquois Falls, Canada
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days in September
Iroquois Falls, Canada
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is February (1 days).
Average snowfall in September
Iroquois Falls, Canada
- Average snowfall in September: 3mm
The month with the highest snowfall is March (264mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Iroquois Falls, Canada
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is December (24.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Iroquois Falls, Canada
- Average daylight in September: 12h and 4min
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 18min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The months with the least sunshine are January and February (Average sunshine: 1h and 6min).
Average sunshine days in September
Iroquois Falls, Canada
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is June (13.6 days).
The month with the least sunshine days is March (6.5 days).
Average UV index in September
Iroquois Falls, Canada
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Iroquois Falls, Canada
- Average cloud cover in September: 50
The months with the most cloud cover are January and February (Cloud cover 89).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Iroquois Falls, Canada
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (5km).
Iroquois Falls, Canada
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