September weather forecast
Mobridge, SD

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mobridge, South Dakota, with average temperature ranging between min 54.5°F (12.5°C) and max 74.5°F (23.6°C).

Temperature

In September, the average high-temperature drops, from 84.2°F (29°C) in August, to a still warm 74.5°F (23.6°C). In Mobridge, in September, the average low-temperature is 54.5°F (12.5°C).

Humidity

In Mobridge, the average relative humidity is 53%.

Rainfall

In September, the rain falls for 7.1 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Mobridge, South Dakota, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

June through September are months without snowfall in Mobridge, South Dakota.

Daylight

In Mobridge, the average length of the day in September is 12.5h.

Sunshine

The average sunshine in Mobridge is 8.6h.

UV index

In Mobridge, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Mobridge?

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

How many days does it rain in September in Mobridge?

In Mobridge, South Dakota, in September, during 7.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in Mobridge?

June through September are months without snowfall.

Does it snow in Mobridge in September?

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

How many hours of daylight does Mobridge have in September?

In Mobridge, the average length of the day in September is 12.5h.

How long on average sun shines in September in Mobridge?

In September, the average sunshine in Mobridge, South Dakota, is 8.6h.

How high is the UV index in September in Mobridge?

The average daily maximum UV index in September in Mobridge is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Mobridge, SD

Average temperature in September - Mobridge, 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
Mobridge, SD

Average pressure in September - Mobridge, SD
  • Average pressure in September: 29.94"

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

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Average wind speed in September
Mobridge, SD

Average wind speed in September - Mobridge, 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
Mobridge, SD

Average humidity in September - Mobridge, 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
Mobridge, SD

Average rainfall in September - Mobridge, 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
Mobridge, SD

Average rainfall days in September - Mobridge, 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
Mobridge, SD

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

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

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Average snowfall days in September
Mobridge, SD

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

The month with the highest number of snowfall days is January (11.8 days).
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
Mobridge, SD

Average daylight in September / Average sunshine in September - Mobridge, SD
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in September
Mobridge, SD

Average sunshine days in September - Mobridge, 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
Mobridge, SD

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

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

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Average cloud cover in September
Mobridge, SD

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

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

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Average visibility in September
Mobridge, SD

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

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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