September weather forecastPine Haven, WY
September
Weather in September
September, the first month of the autumn in Pine Haven, is also a moderately hot month, with an average temperature ranging between max 73.6°F (23.1°C) and min 54.1°F (12.3°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 82.4°F (28°C) to a still moderately hot 73.6°F (23.1°C). Throughout September, Pine Haven encounters an average temperature drop to a fresh 54.1°F (12.3°C).Humidity
In September, the average relative humidity in Pine Haven is 43%.Rainfall
In Pine Haven, during September, the rain falls for 10 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Pine Haven, there are 108.7 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pine Haven are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 1.3" (33mm) of snow. In Pine Haven, during the entire year, snow falls for 50.6 days and aggregates up to 20.51" (521mm) of snow.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:41 pm MDT.
Sunshine
The average sunshine in September in Pine Haven is 10.7h.UV index
In September, the average daily maximum UV index in Pine Haven is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pine Haven, WY
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in September
Pine Haven, WY
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Pine Haven, WY
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in September
Pine Haven, WY
- Average humidity in September: 43%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Pine Haven, WY
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Pine Haven, WY
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Pine Haven, WY
- Average snowfall in September: 1.3"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Pine Haven, WY
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Pine Haven, WY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in September
Pine Haven, WY
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Pine Haven, 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, April, November and December (UV index 2).
Average cloud cover in September
Pine Haven, WY
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Pine Haven, 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).
