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
Saint Joe's September weather comes with a decrease in average high-temperatures, moving from a moderately hot 79.3°F (26.3°C) in August to an agreeable 68.9°F (20.5°C). The temperature in Saint Joe dips to an average of 50.4°F (10.2°C) during September nights.Humidity
In September, the average relative humidity 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
In Saint Joe, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, 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 Saint Joe, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Saint Joe?
How many days does it rain in September?
When it does not snow?
Does it snow in Saint Joe in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
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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