September weather forecast
Osceola, NE

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Weather in September

As the leaves turn colors, September invites fall to Osceola Nebraska, offering a remarkable swing in the weather pattern. The city experiences a notable decline in temperature in September with a high of 76.8°F (24.9°C), confirming the onset of autumn. This period symbolizes a transition from the warmth of summer towards the cooler autumn months. September’s weather encourages outdoor activities and exploration of fall foliage and harvest festivals. Despite the season's change, ample sunshine ensures warm days, while the cool nights remind inhabitants of the impending winter.

Temperature

September brings a minor shift in the average high-temperature, adjusting from a warm 83.5°F (28.6°C) in August to a still moderately hot 76.8°F (24.9°C). Osceola observes an average low-temperature of 56.7°F (13.7°C) during September.

Humidity

In Osceola, Nebraska, the average relative humidity in September is 69%.

Rainfall

In Osceola, Nebraska, in September, during 11.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Osceola, during the entire year, the rain falls for 112.4 days and collects up to 18.62" (473mm) of precipitation.

Snowfall

In Osceola, snow does not fall in June through September.

Daylight

In Osceola, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:57 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm CDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Osceola?

Osceola in September has an average high-temperature of 76.8°F (24.9°C) and an average low-temperature of 56.7°F (13.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in September in Osceola?

In Osceola, the average relative humidity in September is 69%.

How much does it rain in Osceola in September?

In September, the rain falls for 11.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Osceola?

June through September are months without snowfall in Osceola.

Does it snow in Osceola in September?

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

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

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

When are sunrise and sunset in September in Osceola?

On the first day of September in Osceola, Nebraska, sunrise is at 6:57 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm CDT.

How many hours of sunshine does Osceola have in September?

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

What is the UV index intensity in September in Osceola?

In September, the average daily maximum UV index in Osceola is 5. A UV Index 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
Osceola, NE

Average temperature in September - Osceola, NE
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Osceola, NE

Average pressure in September - Osceola, NE
  • Average pressure in September: 29.98"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).

Average wind speed in September
Osceola, NE

Average wind speed in September - Osceola, NE
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in September
Osceola, NE

Average humidity in September - Osceola, NE
  • Average humidity in September: 69%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (64%).

Average rainfall in September
Osceola, NE

Average rainfall in September - Osceola, NE
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Osceola, NE

Average rainfall days in September - Osceola, NE
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in September
Osceola, NE

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

The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Osceola, NE

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

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Osceola, NE

Average sunshine days in September - Osceola, NE
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (12.6 days).

Average UV index in September
Osceola, NE

Average UV index in September - Osceola, 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).

Average cloud cover in September
Osceola, NE

Average cloud cover in September - Osceola, NE
  • Average cloud cover in September: 27

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Osceola, NE

Average visibility in September - Osceola, 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).

Osceola, Nebraska, USA

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