September weather forecast
Sidney, NE

Weather in September

September, the first month of the autumn in Sidney, is also a moderately hot month, with an average temperature fluctuating between 77.9°F (25.5°C) and 56.1°F (13.4°C).

Temperature

In Sidney, the average high-temperature in September marginally drops from 85.5°F (29.7°C) in August to a still moderately hot 77.9°F (25.5°C). In Sidney, the average low-temperature is 56.1°F (13.4°C).

Humidity

September is the least humid month in Sidney, with an average relative humidity of 48%.

Rainfall

In September, the rain falls for 9.5 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Sidney, Nebraska, during the entire year, the rain falls for 105.9 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:35 pm MDT.

Sunshine

The average sunshine in September in Sidney, Nebraska, is 10.2h.

UV index

In Sidney, Nebraska, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Sidney?

The average high-temperature, in September, is 77.9°F (25.5°C), while the average low-temperature is 56.1°F (13.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 86°F (30°C).

What is the least humid month in Sidney?

The least humid month in Sidney is September, with an average relative humidity of 48%.

What is the average humidity in September in Sidney?

In September, the average relative humidity is 48%.

How many days does it rain in September in Sidney?

In Sidney, in September, it is raining for 9.5 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Sidney?

June through September are months without snowfall in Sidney.

Does it snow in Sidney in September?

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

What is the average length of the day in September in Sidney?

In Sidney, Nebraska, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Sidney?

On the first day of September in Sidney, Nebraska, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:35 pm MDT.

How many hours of sunshine does Sidney have in September?

The average sunshine duration in September in Sidney is 10.2h.

What is the UV index intensity in September in Sidney?

The average daily maximum UV index in September in Sidney is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sidney, NE

Average temperature in September - Sidney, NE
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in September: 56.1°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

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Average pressure in September
Sidney, NE

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

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Sidney, NE

Average wind speed in September - Sidney, NE
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in September
Sidney, NE

Average humidity in September - Sidney, NE
  • Average humidity in September: 48%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (48%).

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Average rainfall in September
Sidney, NE

Average rainfall in September - Sidney, NE
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Sidney, NE

Average rainfall days in September - Sidney, NE
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (3.5 days).

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Average snowfall in September
Sidney, NE

Average snowfall in September - Sidney, NE
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Sidney, NE

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

The month with the highest number of snowfall days is February (9.2 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
Sidney, NE

Average daylight in September / Average sunshine in September - Sidney, NE
  • Average daylight in September: 12h and 27min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in September: 10h and 12min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days in September
Sidney, NE

Average sunshine days in September - Sidney, NE
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.4 days).

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Average UV index in September
Sidney, NE

Average UV index in September - Sidney, NE
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
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
Sidney, NE

Average cloud cover in September - Sidney, NE
  • Average cloud cover in September: 20

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in September
Sidney, NE

Average visibility in September - Sidney, 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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