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
As Kotke enters September, the average high-temperature decreases from the an agreeable 72.7°F (22.6°C) of August to a comfortable 63.5°F (17.5°C). Kotke records a pronounced decline from the day's peak to an average nighttime low-temperature of 39.6°F (4.2°C) throughout September.Humidity
In September, the average relative humidity is 57%.Rainfall
In Kotke, during September, the rain falls for 11.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 116.1 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Kotke, in September, during 3.6 snowfall days, 5.04" (128mm) of snow is typically accumulated. In Kotke, during the entire year, snow falls for 151.6 days and aggregates up to 124.06" (3151mm) of snow.Daylight
In Kotke, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:46 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:05 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kotke in September?
What is the average humidity in September?
How much does it rain in Kotke in September?
How many days does it snow in September?
How many hours of daylight does Kotke have in September?
When is the sunrise / sunset in September in Kotke?
How many hours of sunshine does Kotke have in September?
What is the UV index intensity in September?
Average temperature in September
Kotke, MT
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).
- Average low temperature in September: 39.6°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (7.9°F).
Average pressure in September
Kotke, MT
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Kotke, MT
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Kotke, MT
- Average humidity in September: 57%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Kotke, MT
- Average rainfall in September: 1.81"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").
Average rainfall days in September
Kotke, MT
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Kotke, MT
- Average snowfall in September: 5.04"
The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").
Average snowfall days in September
Kotke, MT
- Average snowfall days in September: 3.6 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Kotke, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Kotke, MT
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).
Average UV index in September
Kotke, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Kotke, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in September
Kotke, MT
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Kotke, Montana, USA
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