September weather forecastLeonard, ND
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Leonard, North Dakota, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 71.8°F (22.1°C).Temperature
As Leonard enters September, the average high-temperature decreases from the a warm 80.8°F (27.1°C) of August to an agreeable 71.8°F (22.1°C). Throughout the nights in September, an average low-temperature of 52.7°F (11.5°C) is noted.Humidity
With an average relative humidity of 62%, September is the least humid month in Leonard.Rainfall
In September, the rain falls for 8.3 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Leonard, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:10 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leonard, ND
- Average high temperature in September: 71.8°F
The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).
Average pressure in September
Leonard, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Leonard, ND
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Leonard, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Leonard, ND
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Leonard, ND
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Leonard, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leonard, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leonard, ND
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Leonard, ND
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Leonard, ND
- Average UV index in September: 4
The months with the highest UV index are June and 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
Leonard, ND
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Leonard, 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).





