September weather forecast
Valentine, NE

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Weather in September

September in Valentine, Nebraska, indicates a gradual descent into chillier weather. Following August, the temperature records a significant decrease. A noteworthy phenomenon surfaces denoting the lowest snowfall of the year at 0.7". Despite this, it is a time where fall colors start gracing the landscapes, transitioning into autumn. The shortening daylight hours forms a precursor to the forthcoming winter season.

Temperature

Arrival of September in Valentine comes with a reduction in the average high-temperature, falling from a tropical 87.1°F in August to a warm 77.4°F. In the face of high daytime temperatures, Valentine witnesses a consistent average nighttime low of 47.5°F during September.

Humidity

With an average relative humidity of 54.5%, September is the least humid month in Valentine.

Rainfall

In September, in Valentine, Nebraska, the rain falls for 7.1 days. Throughout September, 1.65" of precipitation is accumulated. In Valentine, during the entire year, the rain falls for 87.9 days and collects up to 20.04" of precipitation.

Snowfall

January through May, September through December are months with snowfall in Valentine, Nebraska. September is the first month it typically snows in Valentine. Throughout September, in the average 0.1 snowfall days, it receives 0.71" of snow. In Valentine, during the entire year, snow falls for 22.3 days and aggregates up to 33.31" of snow.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September in Valentine, sunrise is at 6:06 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:25 pm MDT.

Sunshine

The average sunshine in September in Valentine, Nebraska, is 8.8h.

UV index

In Valentine, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Valentine in September?

In Valentine, in September, the average high-temperature is 77.4°F, and the average low-temperature is 47.5°F. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 91.4°F.

What is the least humid month in Valentine?

September is the least humid month in Valentine, with an average relative humidity of 54.5%.

What is the average humidity in September in Valentine?

The average relative humidity in September in Valentine is 54.5%.

How much does it rain in Valentine in September?

In Valentine, Nebraska, in September, it is raining for 7.1 days, with typically 1.65" of accumulated precipitation.

When does it start snowing in Valentine?

September is the first month it typically snows in Valentine. Throughout September, in the average 0.1 snowfall days, it receives 0.71" of snow.

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

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

What time are sunrise and sunset in September in Valentine?

In September, on the first day of the month, sunrise is at 6:06 am and sunset at 7:17 pm. On the last day of the month, in Valentine, sunrise is at 6:38 am and sunset at 6:25 pm MDT.

How many hours of sunshine does Valentine have in September?

The average sunshine duration in September is 8.8h.

How high is the UV index in September in Valentine?

The average daily maximum UV index in September in Valentine, Nebraska, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Valentine, NE

Average temperature in September - Valentine, NE
  • Average high temperature in September: 77.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 47.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.7°F).

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Average humidity in September
Valentine, NE

Average humidity in September - Valentine, NE
  • Average humidity in September: 54.5%

The month with the highest relative humidity is February (64.6%).
The month with the lowest relative humidity is September (54.5%).

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Average rainfall in September
Valentine, NE

Average rainfall in September - Valentine, NE
  • Average rainfall in September: 1.6"

The wettest month (with the highest rainfall) is June (3.6").
The driest month (with the least rainfall) is January (0.3").

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Average rainfall days in September
Valentine, NE

Average rainfall days in September - Valentine, NE
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall in September
Valentine, NE

Average snowfall in September - Valentine, NE
  • Average snowfall in September: 0.7"

The month with the highest snowfall is March (6.5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Valentine, NE

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

The month with the highest number of snowfall days is March (4.6 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
Valentine, NE

Average daylight in September / Average sunshine in September - Valentine, 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 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average UV index in September
Valentine, NE

Average UV index in September - Valentine, NE
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 1).

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Valentine, Nebraska, USA

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