Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September indicates a reduction in the average high-temperature, down to a still moderately hot 75.6°F (24.2°C) from August's 84.9°F (29.4°C). With a notable difference from peak temperatures, an average of 52.9°F (11.6°C) marks the nights in Sand Draw in September.Humidity
In September, the average relative humidity in Sand Draw is 35%.Rainfall
In Sand Draw, during September, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Sand Draw, during the entire year, the rain falls for 67.6 days and collects up to 6.81" (173mm) 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 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Sand Draw, during the entire year, snow falls for 42.7 days and aggregates up to 24.92" (633mm) of snow.Daylight
The average length of the day in September in Sand Draw is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm MDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
The average daily maximum UV index in September in Sand Draw is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in September in Sand Draw?
What is the average humidity in September in Sand Draw?
How much does it rain in Sand Draw in September?
When does it start to snow in Sand Draw?
How many hours of daylight does Sand Draw have in September?
What time are sunrise and sunset in September in Sand Draw?
How many hours of sunshine does Sand Draw have in September?
What is the UV index intensity in September in Sand Draw?
Average temperature in September
Sand Draw, WY
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in September
Sand Draw, WY
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Sand Draw, WY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in September
Sand Draw, WY
- Average humidity in September: 35%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in September
Sand Draw, WY
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Sand Draw, WY
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Sand Draw, WY
- Average snowfall in September: 0.08"
The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sand Draw, WY
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sand Draw, WY
- 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Sand Draw, WY
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in September
Sand Draw, WY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sand Draw, WY
- Average cloud cover in September: 13
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Sand Draw, 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).
Sand Draw, Wyoming, USA
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