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 shift from August to September corresponds with a decrease in the average high-temperature, down to a pleasant 70.7°F (21.5°C) from a moderately hot 81.9°F (27.7°C). An average temperature of 52.2°F (11.2°C) marks the nights in Shonkin in September.Humidity
The average relative humidity in September in Shonkin is 46%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Shonkin, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Shonkin. Throughout September, in the average 0.4 snowfall days, it receives 0.94" (24mm) of snow. In Shonkin, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.Daylight
The average length of the day in September in Shonkin is 12h and 33min.On the first day of September, sunrise is at 6:41 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm MDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In Shonkin, Montana, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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 average September temperature in Shonkin?
What is the average humidity in September in Shonkin?
How many days does it rain in September in Shonkin?
When does it start snowing in Shonkin?
How many hours of daylight does Shonkin have in September?
What time are sunrise and sunset in September in Shonkin?
How many hours of sunshine does Shonkin have in September?
What is the UV index intensity in September in Shonkin?
Average temperature in September
Shonkin, MT
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).
Average pressure in September
Shonkin, MT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Shonkin, MT
- Average wind speed in September: 8.9mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in September
Shonkin, MT
- Average humidity in September: 46%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Shonkin, MT
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in September
Shonkin, MT
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Shonkin, MT
- Average snowfall in September: 0.94"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Shonkin, MT
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Shonkin, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Shonkin, MT
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in September
Shonkin, MT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Shonkin, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Shonkin, MT
- 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).
Shonkin, Montana, USA
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