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" (18mm). 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

In Valentine, the beginning of September is marked by a lowered average high-temperature, shifting from August's hot 87.1°F (30.6°C) to a moderately hot 77.4°F (25.2°C). The average low-temperature reading in September for Valentine reflects a significant fall from the daytime highs, stabilizing at a chilly 47.5°F (8.6°C).

Humidity

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

Rainfall

In Valentine, in September, during 7.1 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Valentine, during the entire year, the rain falls for 87.9 days and collects up to 20.04" (509mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, there are 22.3 snowfall days, and 33.31" (846mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:07 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:24 pm MDT.

Sunshine

In September, the average sunshine in Valentine is 8.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in September translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.