September weather forecast
Worthing, SD

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Worthing, South Dakota, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 54°F (12.2°C).

Temperature

Worthing's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 81.7°F (27.6°C) to a still moderately hot 74.7°F (23.7°C). Worthing, during the month of September, experiences an average low-temperature of 54°F (12.2°C).

Humidity

The average relative humidity in September is 70%.

Rainfall

In September, in Worthing, the rain falls for 10.5 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Worthing is 12h and 29min.
On the first day of the month, sunrise is at 6:52 am and sunset at 8:01 pm. On the last day of September, in Worthing, sunrise is at 7:24 am and sunset at 7:09 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are the temperatures in Worthing in September?

September temperatures vary between a high-temperature of 74.7°F (23.7°C) and a low-temperature of 54°F (12.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 86°F (30°C).

What is the average humidity in September in Worthing?

The average relative humidity in September is 70%.

How much does it rain in Worthing in September?

In Worthing, South Dakota, in September, during 10.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Worthing?

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

Does it snow in Worthing in September?

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

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

In September, the average day length in Worthing is 12h and 29min.

When are sunrise and sunset in September in Worthing?

In September, on the first day of the month, sunrise is at 6:52 am and sunset at 8:01 pm. On the last day of the month, in Worthing, South Dakota, sunrise is at 7:24 am and sunset at 7:09 pm CDT.

How long on average sun shines in September in Worthing?

In Worthing, South Dakota, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Worthing?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Worthing, SD

Average temperature in September - Worthing, SD
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in September
Worthing, SD

Average pressure in September - Worthing, 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 (29.85"Hg).

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Average wind speed in September
Worthing, SD

Average wind speed in September - Worthing, SD
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in September
Worthing, SD

Average humidity in September - Worthing, SD
  • Average humidity in September: 70%

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
Worthing, SD

Average rainfall in September - Worthing, SD
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").

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Average rainfall days in September
Worthing, SD

Average rainfall days in September - Worthing, SD
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall in September
Worthing, SD

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Worthing, SD

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

The month with the highest number of snowfall days is January (9.5 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
Worthing, SD

Average daylight in September / Average sunshine in September - Worthing, 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 12min).

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Average sunshine days in September
Worthing, SD

Average sunshine days in September - Worthing, SD
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in September
Worthing, SD

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in September
Worthing, SD

Average cloud cover in September - Worthing, SD
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in September
Worthing, SD

Average visibility in September - Worthing, 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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Worthing, South Dakota, USA

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