September weather forecast
Canton, SD

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Weather in September

The arrival of Autumn is announced in September with a marked drop in temperatures. Canton’s scenery transforms into an array of warm colors, revealing the natural beauty of the cityscape in a different light. The wind picks up to speeds of 9.2mph (14.8km/h), adding to the crisp atmosphere. Sunshine reduces to 8.9 hours per day, though daylight hours still remain appreciable. The presence of September offers a memorable harvest season, where the city markets bustle with a variety of fresh produce.

Temperature

The transition into September in Canton involves a small decrease in the average high-temperature, dipping slightly from 81.1°F (27.3°C) in August to a still warm 74.5°F (23.6°C). Canton experiences a consistent average temperature of 54°F (12.2°C) throughout the nights in September.

Humidity

In Canton, the average relative humidity in September is 71%.

Rainfall

In Canton, South Dakota, during September, the rain falls for 11.1 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Canton, South Dakota, during the entire year, the rain falls for 119.2 days and collects up to 21.73" (552mm) of precipitation.

Snowfall

In Canton, snow does not fall in June through September.

Daylight

In Canton, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:51 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:08 pm CDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are the temperatures in Canton in September?

September temperatures in Canton vary between a high-temperature of 74.5°F (23.6°C) and a low-temperature of 54°F (12.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 86°F (30°C).

What is the average humidity in September in Canton?

In Canton, South Dakota, the average relative humidity in September is 71%.

How much does it rain in Canton in September?

In Canton, during September, the rain falls for 11.1 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Canton?

In Canton, snow does not fall in June through September.

Does it snow in Canton in September?

In Canton, South Dakota, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Canton have in September?

The average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Canton?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 8:00 pm. On the last day of the month, in Canton, South Dakota, sunrise is at 7:23 am and sunset at 7:08 pm CDT.

How long on average sun shines in September in Canton?

The average sunshine duration in September is 8.9h.

How high is the UV index in September in Canton?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
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
Canton, SD

Average temperature in September - Canton, SD
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in September
Canton, SD

Average pressure in September - Canton, SD
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Canton, SD

Average wind speed in September - Canton, SD
  • Average wind speed in September: 9.2mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in September
Canton, SD

Average humidity in September - Canton, SD
  • Average humidity in September: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in September
Canton, SD

Average rainfall in September - Canton, SD
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January, February and November (0.67").

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Average rainfall days in September
Canton, SD

Average rainfall days in September - Canton, SD
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in September
Canton, SD

Average snowfall in September - Canton, SD
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Canton, SD

Average snowfall days in September - Canton, SD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Canton, SD

Average daylight in September / Average sunshine in September - Canton, SD
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Canton, SD

Average sunshine days in September - Canton, SD
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in September
Canton, SD

Average UV index in September - Canton, SD
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Canton, SD

Average cloud cover in September - Canton, SD
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in September
Canton, SD

Average visibility in September - Canton, SD
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Canton, South Dakota, USA

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