September weather forecast
Southam, ND

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Weather in September

September, the first month of the autumn in Southam, is also an agreeable month, with an average temperature varying between 50.2°F (10.1°C) and 69.1°F (20.6°C).

Temperature

September indicates a shift in the average high-temperature, from August's moderately hot 79.5°F (26.4°C) to a pleasant 69.1°F (20.6°C). In September, Southam records an average nighttime temperature of 50.2°F (10.1°C).

Humidity

In September, the average relative humidity in Southam is 61%.

Rainfall

In Southam, in September, during 8.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Southam, during the entire year, the rain falls for 95.3 days and collects up to 14.41" (366mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Southam, North Dakota, the average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 6:53 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:14 pm CDT.

Sunshine

The average sunshine in September in Southam is 8.7h.

UV index

In September, the average daily maximum UV index in Southam is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What is the usual temperature for Southam in September?

September temperatures vary between a high-temperature of 69.1°F (20.6°C) and a low-temperature of 50.2°F (10.1°C).

What is the average humidity in September in Southam?

In Southam, North Dakota, the average relative humidity in September is 61%.

How many days does it rain in September in Southam?

In Southam, in September, it is raining for 8.9 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Southam?

In Southam, North Dakota, snow does not fall in June through September.

Does it snow in Southam in September?

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

How many hours of daylight does Southam have in September?

The average day length in September in Southam is 12h and 34min.

When is the sunrise / sunset in September in Southam?

On the first day of September in Southam, North Dakota, sunrise is at 6:53 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:14 pm CDT.

How long on average sun shines in September in Southam?

The average sunshine duration in September in Southam is 8.7h.

How high is the UV index in September in Southam?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Southam, ND

Average temperature in September - Southam, ND
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1°F).

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Average pressure in September
Southam, ND

Average pressure in September - Southam, ND
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Southam, ND

Average wind speed in September - Southam, ND
  • Average wind speed in September: 9.9mph

The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in September
Southam, ND

Average humidity in September - Southam, ND
  • Average humidity in September: 61%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in September
Southam, ND

Average rainfall in September - Southam, ND
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").

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Average rainfall days in September
Southam, ND

Average rainfall days in September - Southam, ND
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).

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Average snowfall in September
Southam, ND

Average snowfall in September - Southam, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Southam, ND

Average snowfall days in September - Southam, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (15.5 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
Southam, ND

Average daylight in September / Average sunshine in September - Southam, ND
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in September
Southam, ND

Average sunshine days in September - Southam, ND
  • Average sunshine days in September: 19.8 days

The months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).

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Average UV index in September
Southam, ND

Average UV index in September - Southam, ND
  • Average UV index in September: 4

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

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Average cloud cover in September
Southam, ND

Average cloud cover in September - Southam, ND
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Southam, ND

Average visibility in September - Southam, ND
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Southam, North Dakota, USA

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