September weather forecast
Valparaiso, NE

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Valparaiso, Nebraska, with an average temperature varying between 77°F (25°C) and 57°F (13.9°C).

Temperature

In Valparaiso, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 82.9°F (28.3°C) to a still warm 77°F (25°C). The nighttime temperature dips to a moderate 57°F (13.9°C) on average during September.

Humidity

The average relative humidity in September is 71%.

Rainfall

In Valparaiso, in September, during 11.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 119.2 rainfall days, and 22.83" (580mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Valparaiso is 12h and 27min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:10 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Act with care - The need to guard against sun damage is communicated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Valparaiso, is 77°F (25°C) and the average low-temperature is 57°F (13.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in September?

In Valparaiso, Nebraska, the average relative humidity in September is 71%.

How much does it rain in September?

In September, the rain falls for 11.9 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Valparaiso have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:10 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Valparaiso, NE

Average temperature in September - Valparaiso, NE
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Valparaiso, NE

Average pressure in September - Valparaiso, NE
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Valparaiso, NE

Average wind speed in September - Valparaiso, NE
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Valparaiso, NE

Average humidity in September - Valparaiso, NE
  • Average humidity in September: 71%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September
Valparaiso, NE

Average rainfall in September - Valparaiso, NE
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Valparaiso, NE

Average rainfall days in September - Valparaiso, NE
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in September
Valparaiso, NE

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

The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Valparaiso, NE

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Valparaiso, 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 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in September
Valparaiso, NE

Average sunshine days in September - Valparaiso, NE
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in September
Valparaiso, NE

Average UV index in September - Valparaiso, 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
Valparaiso, NE

Average cloud cover in September - Valparaiso, NE
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Valparaiso, NE

Average visibility in September - Valparaiso, 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).

Valparaiso, Nebraska, USA

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