September weather forecast
Wewela, SD

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Weather in September

September, the first month of the autumn in Wewela, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 76.6°F (24.8°C).

Temperature

A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 85.8°F (29.9°C) to a still warm 76.6°F (24.8°C). Throughout the month of September, Wewela observes an average nighttime temperature of 56.3°F (13.5°C).

Humidity

August and September, with an average relative humidity of 57%, are the least humid months in Wewela.

Rainfall

In Wewela, South Dakota, in September, it is raining for 9.5 days, with typically 1.34" (34mm) of accumulated precipitation. In Wewela, during the entire year, the rain falls for 103.9 days and collects up to 16.85" (428mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Wewela, the average length of the day in September is 12h and 29min.
On the first day of September in Wewela, sunrise is at 7:04 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:21 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Wewela is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the average September temperature in Wewela?

September temperatures in Wewela, South Dakota, vary between a high-temperature of 76.6°F (24.8°C) and a low-temperature of 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the least humid month in Wewela?

August and September, with an average relative humidity of 57%, are the least humid months in Wewela.

What is the average humidity in September in Wewela?

In Wewela, South Dakota, the average relative humidity in September is 57%.

How much does it rain in Wewela in September?

In Wewela, South Dakota, in September, it is raining for 9.5 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Wewela?

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

Does it snow in Wewela in September?

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

How many hours of daylight does Wewela have in September?

In Wewela, South Dakota, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Wewela?

On the first day of September in Wewela, sunrise is at 7:04 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:21 pm CDT.

How many hours of sunshine does Wewela have in September?

The average sunshine duration in September in Wewela, South Dakota, is 9h.

What is the UV index reading in September in Wewela?

In September, the average daily maximum UV index in Wewela is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Wewela, SD

Average temperature in September - Wewela, SD
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in September
Wewela, SD

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

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

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Average wind speed in September
Wewela, SD

Average wind speed in September - Wewela, SD
  • Average wind speed in September: 10.7mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in September
Wewela, SD

Average humidity in September - Wewela, SD
  • Average humidity in September: 57%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in September
Wewela, SD

Average rainfall in September - Wewela, SD
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Wewela, SD

Average rainfall days in September - Wewela, SD
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in September
Wewela, SD

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

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wewela, SD

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

The month with the highest number of snowfall days is January (9.6 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
Wewela, SD

Average daylight in September / Average sunshine in September - Wewela, 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 6min).

  • Average sunshine in September: 9h and 0min

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 54min).

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Average sunshine days in September
Wewela, SD

Average sunshine days in September - Wewela, SD
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in September
Wewela, SD

Average UV index in September - Wewela, SD
  • Average UV index in September: 5

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

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Average cloud cover in September
Wewela, SD

Average cloud cover in September - Wewela, SD
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in September
Wewela, SD

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

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