September weather forecast
Valentine, NE

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.