September weather forecast
Two Strike, SD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Two Strike, South Dakota, with an average temperature ranging between max 75.7°F (24.3°C) and min 55.8°F (13.2°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 84.6°F (29.2°C) in August to a still warm 75.7°F (24.3°C). September brings with it a nighttime average temperature of 55.8°F (13.2°C) in Two Strike.

Humidity

The least humid month in Two Strike is September, with an average relative humidity of 56%.

Rainfall

In Two Strike, in September, during 10.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Two Strike, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Two Strike. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Two Strike, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 7:08 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:25 pm CDT.

Sunshine

In Two Strike, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September in Two Strike is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What are the temperatures in Two Strike in September?

The average high-temperature and low-temperature in Two Strike, South Dakota, during September are 75.7°F (24.3°C) and 55.8°F (13.2°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the least humid month in Two Strike?

With an average relative humidity of 56%, September is the least humid month.

What is the average humidity in September in Two Strike?

In September, the average relative humidity in Two Strike is 56%.

How much does it rain in Two Strike in September?

In Two Strike, in September, during 10.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When does it start to snow in Two Strike?

September is the first month it typically snows in Two Strike. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Two Strike have in September?

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

What time are sunrise and sunset in September in Two Strike?

On the first day of September in Two Strike, South Dakota, sunrise is at 7:08 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:25 pm CDT.

How long on average sun shines in September in Two Strike?

In Two Strike, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Two Strike?

In September, the average daily maximum UV index in Two Strike, South Dakota, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Two Strike, SD

Average temperature in September - Two Strike, SD
  • Average high temperature in September: 75.7°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 (31.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in September
Two Strike, SD

Average pressure in September - Two Strike, SD
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Two Strike, SD

Average wind speed in September - Two Strike, SD
  • Average wind speed in September: 11.7mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

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Average humidity in September
Two Strike, SD

Average humidity in September - Two Strike, SD
  • Average humidity in September: 56%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

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Average rainfall in September
Two Strike, SD

Average rainfall in September - Two Strike, SD
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Two Strike, SD

Average rainfall days in September - Two Strike, SD
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in September
Two Strike, SD

Average snowfall in September - Two Strike, SD
  • Average snowfall in September: 0.2"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Two Strike, SD

Average snowfall days in September - Two Strike, SD
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Two Strike, SD

Average daylight in September / Average sunshine in September - Two Strike, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in September
Two Strike, SD

Average sunshine days in September - Two Strike, SD
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in September
Two Strike, SD

Average UV index in September - Two Strike, SD
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (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
Two Strike, SD

Average cloud cover in September - Two Strike, SD
  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

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Average visibility in September
Two Strike, SD

Average visibility in September - Two Strike, 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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Two Strike, South Dakota, USA

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