September weather forecast
Scottsbluff, NE

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Weather in September

By September, Scottsbluff begins to cool down, thus indicating the approaching autumn season. Daily sunshine hours slowly decrease, while rainfall continues its steady descent. Interestingly, this month registers a minimum snowfall of 0.08" (2mm), pointing towards the shift in weather. Meanwhile, humidity levels remain relatively constant in anticipation of the following fall month. Scottsbluff residents can witness daytime temperatures falling appreciably from the highs of summer, while evenings become noticeably cooler.

Temperature

The onset of September in Scottsbluff, Nebraska, brings a small shift in high-temperatures, falling from a warm 85.5°F (29.7°C) in August to a still moderately hot 77.5°F (25.3°C). Scottsbluff documents a significant temperature variance in September, with the mean nighttime lows settling at a cool 54.1°F (12.3°C).

Humidity

The months with the lowest humidity in Scottsbluff are August and September, with an average relative humidity of 47%.

Rainfall

In Scottsbluff, during September, the rain falls for 8.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Scottsbluff, during the entire year, the rain falls for 110.2 days and collects up to 14.8" (376mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Scottsbluff. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 39.7 snowfall days, and 17.36" (441mm) of snow is accumulated.

Daylight

In September, the average length of the day in Scottsbluff, Nebraska, is 12h and 28min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:37 pm MDT.

Sunshine

In Scottsbluff, the average sunshine in September is 10.5h.

UV index

In Scottsbluff, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the average September temperature in Scottsbluff?

Scottsbluff in September has an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 54.1°F (12.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What are the least humid months in Scottsbluff?

August and September, with an average relative humidity of 47%, are the least humid months in Scottsbluff, Nebraska.

What is the average humidity in September in Scottsbluff?

The average relative humidity in September in Scottsbluff, Nebraska, is 47%.

How many days does it rain in September in Scottsbluff?

In Scottsbluff, Nebraska, in September, during 8.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When does it start to snow in Scottsbluff?

September is the first month it typically snows in Scottsbluff. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Scottsbluff have in September?

The average day length in September in Scottsbluff is 12h and 28min.

When are sunrise and sunset in September in Scottsbluff?

On the first day of September in Scottsbluff, sunrise is at 6:21 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:37 pm MDT.

How many hours of sunshine does Scottsbluff have in September?

In Scottsbluff, Nebraska, the average sunshine duration in September is 10.5h.

How high is the UV index in September in Scottsbluff?

In September, the average daily maximum UV index in Scottsbluff, Nebraska, 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Scottsbluff, NE

Average temperature in September - Scottsbluff, NE
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in September
Scottsbluff, NE

Average pressure in September - Scottsbluff, NE
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Scottsbluff, NE

Average wind speed in September - Scottsbluff, NE
  • Average wind speed in September: 9.9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in September
Scottsbluff, NE

Average humidity in September - Scottsbluff, NE
  • Average humidity in September: 47%

The month with the highest relative humidity is January (69%).
The months with the lowest relative humidity are August and September (47%).

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Average rainfall in September
Scottsbluff, NE

Average rainfall in September - Scottsbluff, NE
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Scottsbluff, NE

Average rainfall days in September - Scottsbluff, NE
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is December (3.5 days).

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Average snowfall in September
Scottsbluff, NE

Average snowfall in September - Scottsbluff, NE
  • Average snowfall in September: 0.08"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Scottsbluff, NE

Average snowfall days in September - Scottsbluff, NE
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Scottsbluff, NE

Average daylight in September / Average sunshine in September - Scottsbluff, NE
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in September
Scottsbluff, NE

Average sunshine days in September - Scottsbluff, NE
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in September
Scottsbluff, NE

Average UV index in September - Scottsbluff, NE
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Scottsbluff, NE

Average cloud cover in September - Scottsbluff, NE
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in September
Scottsbluff, NE

Average visibility in September - Scottsbluff, NE
  • 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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Scottsbluff, Nebraska, USA

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