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 onset of September results in a decrease in the average high-temperature, receding from a moderately hot 75°F (23.9°C) in August to an enjoyable 64.8°F (18.2°C). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 41.4°F (5.2°C).Humidity
In September, the average relative humidity is 55%.Rainfall
In Springdale, Montana, in September, it is raining for 10.6 days, with typically 1.34" (34mm) of accumulated precipitation. In Springdale, Montana, during the entire year, the rain falls for 145.9 days and collects up to 18.27" (464mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Springdale. September is the first month it typically snows in Springdale. Throughout September, in the average 1 snowfall days, it receives 1.06" (27mm) of snow. Throughout the year, there are 100.5 snowfall days, and 58.7" (1491mm) of snow is accumulated.Daylight
In Springdale, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:43 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:02 pm MDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
In Springdale, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the usual temperature for Springdale in September?
What is the average humidity in September in Springdale?
How much does it rain in Springdale in September?
When does it start to snow in Springdale?
How many hours of daylight does Springdale have in September?
When is the sunrise / sunset in September in Springdale?
How long on average sun shines in September in Springdale?
What is the UV index intensity in September in Springdale?
Average temperature in September
Springdale, MT
- Average high temperature in September: 64.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in September: 41.4°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is February (11.7°F).
Average pressure in September
Springdale, MT
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Springdale, MT
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Springdale, MT
- Average humidity in September: 55%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Springdale, MT
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and December (1.02").
Average rainfall days in September
Springdale, MT
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in September
Springdale, MT
- Average snowfall in September: 1.06"
The month with the highest snowfall is March (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Springdale, MT
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is February (17.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Springdale, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Springdale, MT
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (7.1 days).
Average UV index in September
Springdale, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Springdale, MT
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Springdale, MT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Springdale, Montana, USA
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