September weather forecast
Akaska, SD

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Weather in September

September, the first month of the autumn in Akaska, is still a warm month, with an average temperature fluctuating between 74.5°F (23.6°C) and 54.5°F (12.5°C).

Temperature

The arrival of September corresponds with a temperature reduction, down from August's 84.2°F (29°C) to a still warm 74.5°F (23.6°C). Akaska cools down to an average low-temperature of 54.5°F (12.5°C) throughout the month of September.

Humidity

In September, the average relative humidity in Akaska is 53%.

Rainfall

In Akaska, in September, during 7.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September in Akaska, sunrise is at 7:03 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:22 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index in Akaska is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Resources | Updated: Feb 14, 2024 | Published by: Weather U.S.

Frequently asked questions

What is the usual temperature for Akaska in September?

The high-temperature, in September, in Akaska, is 74.5°F (23.6°C), while the low-temperature averages to 54.5°F (12.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in September in Akaska?

In September, the average relative humidity in Akaska is 53%.

How much does it rain in Akaska in September?

In Akaska, South Dakota, during September, the rain falls for 7.1 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When it does not snow in Akaska?

June through September are months without snowfall in Akaska.

Does it snow in Akaska in September?

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

What is the average length of the day in September in Akaska?

In September, the average day length is 12h and 31min.

What time are sunrise and sunset in September in Akaska?

On the first day of September in Akaska, South Dakota, sunrise is at 7:03 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:22 pm CDT.

How many hours of sunshine does Akaska have in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Akaska?

In Akaska, South Dakota, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Akaska, SD

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

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in September
Akaska, SD

Average pressure in September - Akaska, SD
  • Average pressure in September: 29.94"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Akaska, SD

Average wind speed in September - Akaska, SD
  • Average wind speed in September: 11.1mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

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Average humidity in September
Akaska, SD

Average humidity in September - Akaska, SD
  • Average humidity in September: 53%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in September
Akaska, SD

Average rainfall in September - Akaska, SD
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Akaska, SD

Average rainfall days in September - Akaska, SD
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in September
Akaska, SD

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

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Akaska, SD

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

The month with the highest number of snowfall days is January (11.8 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
Akaska, SD

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Akaska, SD

Average sunshine days in September - Akaska, SD
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in September
Akaska, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
Akaska, SD

Average cloud cover in September - Akaska, SD
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in September
Akaska, SD

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Akaska, South Dakota, USA

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