September weather forecastPine Bluffs, WY
September
Weather in September
September brings with it the start of the cooler seasons. The average monthly high temperature of 76.8°F (24.9°C) signals the slow transition from summer to autumn. Daylight hours begin to decrease as days get shorter and the nights longer. Despite having less sunshine, September remains a popular time for various outdoor activities, thanks to the bearable temperatures. Changes in foliage colour, from vibrant greens to autumnal shades, are also a key indicator of the season's change.Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 84.4°F (29.1°C) in August to a still moderately hot 76.8°F (24.9°C). Throughout the month of September, Pine Bluffs witnesses an average temperature of 55.2°F (12.9°C).Humidity
August and September, with an average relative humidity of 46%, are the least humid months.Rainfall
In Pine Bluffs, in September, it is raining for 7.6 days, with typically 0.91" (23mm) of accumulated precipitation. In Pine Bluffs, during the entire year, the rain falls for 96.6 days and collects up to 13.15" (334mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Pine Bluffs, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In Pine Bluffs, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pine Bluffs, WY
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in September
Pine Bluffs, WY
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Pine Bluffs, WY
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (12.5mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Pine Bluffs, WY
- Average humidity in September: 46%
The months with the highest relative humidity are January and February (66%).
The months with the lowest relative humidity are August and September (46%).
Average rainfall in September
Pine Bluffs, WY
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Pine Bluffs, WY
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in September
Pine Bluffs, WY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pine Bluffs, WY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pine Bluffs, WY
- Average daylight in September: 12h and 30min
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: 10h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Pine Bluffs, WY
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in September
Pine Bluffs, WY
- Average UV index in September: 4
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
Pine Bluffs, WY
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Pine Bluffs, WY
- 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).
