September weather forecast
Niobrara, NE

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Weather in September

September witnesses a shift in the season as Summer dwindles and Autumn peeks through. The landscape gradually changes, showcasing brilliant shades of autumn color. The temperature floats between a mild 55.4°F (13°C) to a warm 76.3°F (24.6°C) during this transitional period. The month is heralded by crisp mornings and cooler evenings. There's an anticipation of harvest celebrations and the arrival of the vibrant fall.

Temperature

During the shift to September in Niobrara, a minor reduction in average high-temperature is observed, shifting from a moderately hot 85.1°F (29.5°C) in August to a still warm 76.3°F (24.6°C). Niobrara experiences a nighttime temperature average of 55.4°F (13°C) during September.

Humidity

The average relative humidity in September in Niobrara is 63%.

Rainfall

In Niobrara, in September, it is raining for 9.4 days, with typically 1.02" (26mm) of accumulated precipitation. In Niobrara, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

In Niobrara, snow does not fall in May through September.

Daylight

The average length of the day in September in Niobrara is 12h and 29min.
On the first day of the month, sunrise is at 6:57 am and sunset at 8:06 pm. On the last day of September, in Niobrara, sunrise is at 7:29 am and sunset at 7:14 pm CDT.

Sunshine

In Niobrara, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September in Niobrara, Nebraska, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the temperature in September in Niobrara?

Niobrara in September has an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 55.4°F (13°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in September in Niobrara?

In September, the average relative humidity is 63%.

How many days does it rain in September in Niobrara?

In Niobrara, in September, during 9.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in Niobrara?

May through September are months without snowfall in Niobrara.

Does it snow in Niobrara in September?

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

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

The average day length in September in Niobrara, Nebraska, is 12h and 29min.

When is the sunrise / sunset in September in Niobrara?

On the first day of September in Niobrara, sunrise is at 6:57 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:14 pm CDT.

How long on average sun shines in September in Niobrara?

In September, the average sunshine duration in Niobrara is 8.9h.

How high is the UV index in September in Niobrara?

The average daily maximum UV index in September in Niobrara is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Niobrara, NE

Average temperature in September - Niobrara, NE
  • Average high temperature in September: 76.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in September: 55.4°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 (13.6°F).

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Average pressure in September
Niobrara, NE

Average pressure in September - Niobrara, NE
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Niobrara, NE

Average wind speed in September - Niobrara, NE
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in September
Niobrara, NE

Average humidity in September - Niobrara, NE
  • Average humidity in September: 63%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in September
Niobrara, NE

Average rainfall in September - Niobrara, NE
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in September
Niobrara, NE

Average rainfall days in September - Niobrara, NE
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in September
Niobrara, NE

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

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Niobrara, NE

Average snowfall days in September - Niobrara, NE
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in September
Niobrara, NE

Average sunshine days in September - Niobrara, NE
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in September
Niobrara, NE

Average UV index in September - Niobrara, 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
Niobrara, NE

Average cloud cover in September - Niobrara, NE
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in September
Niobrara, NE

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

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