September weather forecast
Atnarko, Canada

September

Weather in September

September, the first month of the autumn in Atnarko, is still a cool month, with an average temperature fluctuating between 11.9°C (53.4°F) and 5.4°C (41.7°F).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's comfortable 16.3°C (61.3°F) to a fresh 11.9°C (53.4°F). During the nights in September, the temperature averages to a wintry 5.4°C (41.7°F).

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 17.5 days. Throughout September, 107mm (4.21") of precipitation is accumulated. Throughout the year, there are 219.8 rainfall days, and 1473mm (57.99") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Atnarko is 12h and 38min.
On the first day of September, sunrise is at 6:36 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:01 pm PDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during September translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the usual temperature for Atnarko in September?
The high-temperature in Atnarko during September is 11.9°C (53.4°F) and the low-temperature is 5.4°C (41.7°F).
What is the average humidity in September?
In Atnarko, the average relative humidity in September is 77%.
How much does it rain in September?
In Atnarko, in September, during 17.5 rainfall days, 107mm (4.21") of precipitation is typically accumulated.
When it does not snow?
May through September are months without snowfall.
Does it snow in September?
In Atnarko, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Atnarko have in September?
In September, the average day length is 12h and 38min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 6:36 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:01 pm PDT.
How long on average sun shines in September?
The average sunshine duration in September is 8.3h.
How high is the UV index in September in Atnarko?
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Atnarko, Canada
  • Average high temperature in September: 11.9°C

The warmest months (with the highest average high temperature) are July and August (16.3°C).
The month with the lowest average high temperature is December (-2.7°C).

  • Average low temperature in September: 5.4°C

The month with the highest average low temperature is August (8.5°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).

Average pressure in September
Atnarko, Canada
  • Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in September
Atnarko, Canada
  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is January (12km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).

Average humidity in September
Atnarko, Canada
  • Average humidity in September: 77%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
Atnarko, Canada
  • Average rainfall in September: 107mm

The wettest month (with the highest rainfall) is November (223mm).
The driest month (with the least rainfall) is May (48mm).

Average rainfall days in September
Atnarko, Canada
  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is November (21.8 days).
The month with the least rainy days is February (14.6 days).

Average snowfall in September
Atnarko, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (281mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Atnarko, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Atnarko, Canada
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Atnarko, Canada
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is August (13.5 days).
The month with the least sunshine days is November (6.1 days).

Average UV index in September
Atnarko, Canada
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September
Atnarko, Canada
  • Average cloud cover in September: 44

The months with the most cloud cover are January and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Atnarko, Canada
  • Average visibility in September: 9km

The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).

englishespañol中文
Share