September weather forecast
Mullen, NE

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Weather in September

The first month of the autumn, September, is still a warm month in Mullen, Nebraska, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 55.8°F (13.2°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's warm 84.6°F (29.2°C) to a still moderately hot 75.7°F (24.3°C). In Mullen, September nights witness a steady temperature drop to a moderate 55.8°F (13.2°C).

Humidity

The least humid month is September, with an average relative humidity of 56%.

Rainfall

In Mullen, during September, the rain falls for 10.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mullen are January through May, September through December. September is the first month it typically snows in Mullen. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Mullen, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.

Daylight

In September, the average length of the day in Mullen is 12h and 28min.
On the first day of September in Mullen, sunrise is at 6:10 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:26 pm MDT.

Sunshine

In September, the average sunshine in Mullen is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the temperature in September in Mullen?

In September, the average high-temperature and low-temperature in Mullen are 75.7°F (24.3°C) and 55.8°F (13.2°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the least humid month in Mullen?

September is the least humid month in Mullen, Nebraska, with an average relative humidity of 56%.

What is the average humidity in September in Mullen?

In September, the average relative humidity in Mullen is 56%.

How many days does it rain in September in Mullen?

In Mullen, Nebraska, in September, during 10.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When does it start snowing in Mullen?

September is the first month it typically snows in Mullen, Nebraska. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Mullen have in September?

In Mullen, Nebraska, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September in Mullen?

On the first day of September in Mullen, Nebraska, sunrise is at 6:10 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:26 pm MDT.

How long on average sun shines in September in Mullen?

The average sunshine duration in September in Mullen is 9.1h.

How high is the UV index in September in Mullen?

In September, the average daily maximum UV index in Mullen, Nebraska, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Mullen, NE

Average temperature in September - Mullen, NE
  • Average high temperature in September: 75.7°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 (31.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in September
Mullen, NE

Average pressure in September - Mullen, NE
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Mullen, NE

Average wind speed in September - Mullen, NE
  • Average wind speed in September: 11.7mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

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Average humidity in September
Mullen, NE

Average humidity in September - Mullen, NE
  • Average humidity in September: 56%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

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Average rainfall in September
Mullen, NE

Average rainfall in September - Mullen, NE
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Mullen, NE

Average rainfall days in September - Mullen, NE
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in September
Mullen, NE

Average snowfall in September - Mullen, NE
  • Average snowfall in September: 0.2"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Mullen, NE

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

The month with the highest number of snowfall days is January (9.7 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
Mullen, NE

Average daylight in September / Average sunshine in September - Mullen, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in September
Mullen, NE

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

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in September
Mullen, NE

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

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
Mullen, NE

Average cloud cover in September - Mullen, NE
  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

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Average visibility in September
Mullen, NE

Average visibility in September - Mullen, 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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Mullen, Nebraska, USA

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