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
September ushers in a minute temperature change, with average high-temperatures reducing from August's 19.9°C (67.8°F) to a still refreshing 15.2°C (59.4°F). During September nights, Attawapiskat witnesses a consistent average temperature of 7.3°C (45.1°F).Humidity
In Attawapiskat, the average relative humidity in September is 79%.Rainfall
In Attawapiskat, during September, the rain falls for 15.4 days and regularly aggregates up to 40mm (1.57") of precipitation. In Attawapiskat, during the entire year, the rain falls for 117 days and collects up to 505mm (19.88") of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September is 12h and 39min.On the first day of September in Attawapiskat, sunrise is at 6:41 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:08 pm EDT.
Sunshine
In Attawapiskat, Canada, the average sunshine in September is 6.9h.UV index
In Attawapiskat, Canada, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are September temperatures in Attawapiskat?
What is the average humidity in September in Attawapiskat?
How many days does it rain in September in Attawapiskat?
When it does not snow in Attawapiskat?
Does it snow in Attawapiskat in September?
What is the average length of the day in September in Attawapiskat?
When is the sunrise / sunset in September in Attawapiskat?
How long on average sun shines in September in Attawapiskat?
How high is the UV index in September in Attawapiskat?
Average temperature in September
Attawapiskat, Canada
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-13.8°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-22.1°C).
Average pressure in September
Attawapiskat, Canada
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is March (1019.1mbar).
The month with the lowest atmospheric pressure is July (1010.2mbar).
Average wind speed in September
Attawapiskat, Canada
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is November (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.1km/h).
Average humidity in September
Attawapiskat, Canada
- Average humidity in September: 79%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Attawapiskat, Canada
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Attawapiskat, Canada
- Average rainfall days in September: 15.4 days
The months with the highest number of rainy days are July and August (17.4 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Attawapiskat, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (227mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Attawapiskat, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (22.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Attawapiskat, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 1h and 30min).
Average sunshine days in September
Attawapiskat, Canada
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is June (15.3 days).
The month with the least sunshine days is March (6.9 days).
Average UV index in September
Attawapiskat, Canada
- Average UV index in September: 2
The month with the highest UV index is 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
Attawapiskat, Canada
- Average cloud cover in September: 48
The months with the most cloud cover are January and February (Cloud cover 86).
The month with the least cloud cover is June (Cloud cover 39).
Average visibility in September
Attawapiskat, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (5km).
Attawapiskat, Canada
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