September weather forecastSaint Michael, ND
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Saint Michael, North Dakota, with an average temperature ranging between max 69.1°F (20.6°C) and min 50.2°F (10.1°C).Temperature
As September arrives, Saint Michael's weather displays a decrease in high-temperatures, transitioning from August's moderately hot 79.5°F (26.4°C) to an agreeable 69.1°F (20.6°C). An average low-temperature of 50.2°F (10.1°C) is noted in Saint Michael during the month of September.Humidity
In Saint Michael, North Dakota, the average relative humidity in September is 61%.Rainfall
In Saint Michael, North Dakota, in September, during 8.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Saint Michael, during the entire year, the rain falls for 95.3 days and collects up to 14.41" (366mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Saint Michael is 12h and 34min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:16 pm CDT.
Sunshine
The average sunshine in September in Saint Michael, North Dakota, is 8.7h.UV index
In September, the average daily maximum UV index in Saint Michael, North Dakota, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Michael, ND
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in September
Saint Michael, ND
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Saint Michael, ND
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Saint Michael, ND
- Average humidity in September: 61%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Saint Michael, ND
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in September
Saint Michael, ND
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).
Average snowfall in September
Saint Michael, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Michael, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Michael, ND
- Average daylight in September: 12h and 36min
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 30min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint Michael, ND
- Average sunshine days in September: 19.8 days
The months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Saint Michael, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Saint Michael, ND
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Saint Michael, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
