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
A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 79.3°F (26.3°C) to an agreeable 68.9°F (20.5°C). An average nighttime temperature of 50.4°F (10.2°C) is recorded during September.Humidity
In Saint Joe, the average relative humidity in September is 59%.Rainfall
In Saint Joe, in September, it is raining for 9.4 days, with typically 1.5" (38mm) of accumulated precipitation. In Saint Joe, during the entire year, the rain falls for 101.6 days and collects up to 15.83" (402mm) of precipitation.Snowfall
June through September are months without snowfall in Saint Joe.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Saint Joe, North Dakota, sunrise is at 6:54 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September in Saint Joe is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are September temperatures in Saint Joe?
What is the average humidity in September in Saint Joe?
How much does it rain in Saint Joe in September?
When it does not snow in Saint Joe?
Does it snow in Saint Joe in September?
How many hours of daylight does Saint Joe have in September?
When is the sunrise / sunset in September in Saint Joe?
How many hours of sunshine does Saint Joe have in September?
How high is the UV index in September in Saint Joe?
Average temperature in September
Saint Joe, ND
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is January (15.1°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).
Average pressure in September
Saint Joe, 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 Joe, ND
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is October (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Saint Joe, ND
- Average humidity in September: 59%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Saint Joe, ND
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in September
Saint Joe, ND
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Saint Joe, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Joe, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.2 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 Joe, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Saint Joe, ND
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in September
Saint Joe, 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 and November (UV index 1).
Average cloud cover in September
Saint Joe, 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 Joe, 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).
Saint Joe, North Dakota, USA
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