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 commencement of September indicates a shift in the average high-temperature, receding from August's moderately hot 82.6°F (28.1°C) to a pleasant 71.2°F (21.8°C). Sand Springs, in September, experiences an average temperature of 54.9°F (12.7°C) at night.Humidity
In September, the average relative humidity is 44%.Rainfall
In September, the rain falls for 8.7 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Sand Springs, during the entire year, the rain falls for 104.8 days and collects up to 13.03" (331mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Sand Springs. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Sand Springs, during the entire year, snow falls for 58.4 days and aggregates up to 21.1" (536mm) of snow.Daylight
In September, the average length of the day in Sand Springs is 12h and 32min.On the first day of September, sunrise is at 6:30 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:50 pm MDT.
Sunshine
The average sunshine in September in Sand Springs is 10.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sand Springs?
What is the average humidity in September in Sand Springs?
How many days does it rain in September in Sand Springs?
When does it start to snow in Sand Springs?
How many hours of daylight does Sand Springs have in September?
When are sunrise and sunset in September in Sand Springs?
How long on average sun shines in September in Sand Springs?
What is the UV index reading in September in Sand Springs?
Average temperature in September
Sand Springs, MT
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Sand Springs, MT
- Average pressure in September: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Sand Springs, MT
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is February (9.9mph).
Average humidity in September
Sand Springs, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).
Average rainfall in September
Sand Springs, MT
- Average rainfall in September: 1.1"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Sand Springs, MT
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Sand Springs, MT
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sand Springs, MT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sand Springs, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in September
Sand Springs, MT
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in September
Sand Springs, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sand Springs, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in September
Sand Springs, MT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sand Springs, Montana, USA
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