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
In September, the average high-temperature decreases from a moderately hot 82.6°F (28.1°C) in August to a pleasant 71.4°F (21.9°C). Kenilworth's nighttime temperature in September drops to an average of 52.9°F (11.6°C).Humidity
In September, the average relative humidity is 44%.Rainfall
In Kenilworth, in September, it is raining for 6.6 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, in Kenilworth, there are 91 rainfall days, and 6.42" (163mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Kenilworth. Throughout September, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 44.2 snowfall days, and 11.18" (284mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:02 pm MDT.
Sunshine
The average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September in Kenilworth is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September in Kenilworth?
When does it start snowing?
How many hours of daylight does Kenilworth have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Kenilworth have in September?
How high is the UV index in September?
Average temperature in September
Kenilworth, MT
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Kenilworth, MT
- 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 (29.85"Hg).
Average wind speed in September
Kenilworth, MT
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Kenilworth, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Kenilworth, MT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days in September
Kenilworth, MT
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Kenilworth, MT
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Kenilworth, MT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kenilworth, MT
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Kenilworth, MT
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in September
Kenilworth, MT
- 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, November and December (UV index 2).
Average cloud cover in September
Kenilworth, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Kenilworth, 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).
Kenilworth, Montana, USA
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