September weather forecast
Dahlberg, SD

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Weather in September

September, the first month of the autumn in Dahlberg, is also an agreeable month, with an average temperature fluctuating between 52°F (11.1°C) and 72°F (22.2°C).

Temperature

Dahlberg, South Dakota, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 80.4°F (26.9°C) to an agreeable 72°F (22.2°C). During September, Dahlberg witnesses a consistent average low-temperature of 52°F (11.1°C).

Humidity

September is the least humid month, with an average relative humidity of 65%.

Rainfall

In September, the rain falls for 9.9 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. In Dahlberg, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.

Snowfall

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

Daylight

In Dahlberg, South Dakota, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:06 pm. On the last day of September, in Dahlberg, sunrise is at 7:26 am and sunset at 7:10 pm CDT.

Sunshine

In September, the average sunshine in Dahlberg is 8.8h.

UV index

The average daily maximum UV index in September in Dahlberg is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are September temperatures in Dahlberg?

The average high-temperature and low-temperature during September are 72°F (22.2°C) and 52°F (11.1°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 86°F (30°C).

What is the least humid month in Dahlberg?

With an average relative humidity of 65%, September is the least humid month.

What is the average humidity in September in Dahlberg?

The average relative humidity in September in Dahlberg is 65%.

How many days does it rain in September in Dahlberg?

In Dahlberg, in September, it is raining for 9.9 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow in Dahlberg?

June through September are months without snowfall.

Does it snow in Dahlberg in September?

In Dahlberg, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Dahlberg have in September?

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

When are sunrise and sunset in September in Dahlberg?

On the first day of September in Dahlberg, sunrise is at 6:50 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:10 pm CDT.

How many hours of sunshine does Dahlberg have in September?

The average sunshine duration in September in Dahlberg, South Dakota, is 8.8h.

How high is the UV index in September in Dahlberg?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Dahlberg, SD

Average temperature in September - Dahlberg, SD
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in September
Dahlberg, SD

Average pressure in September - Dahlberg, SD
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Dahlberg, SD

Average wind speed in September - Dahlberg, SD
  • Average wind speed in September: 9.6mph

The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

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Average humidity in September
Dahlberg, SD

Average humidity in September - Dahlberg, SD
  • Average humidity in September: 65%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in September
Dahlberg, SD

Average rainfall in September - Dahlberg, SD
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in September
Dahlberg, SD

Average rainfall days in September - Dahlberg, SD
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in September
Dahlberg, SD

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

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Dahlberg, SD

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

The month with the highest number of snowfall days is December (11.5 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
Dahlberg, SD

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in September
Dahlberg, SD

Average sunshine days in September - Dahlberg, SD
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in September
Dahlberg, SD

Average UV index in September - Dahlberg, 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 December (UV index 1).

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Average cloud cover in September
Dahlberg, SD

Average cloud cover in September - Dahlberg, SD
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).

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Average visibility in September
Dahlberg, SD

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

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