September weather forecastSpiritwood Lake, ND
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Spiritwood Lake, North Dakota, with an average temperature ranging between max 70.7°F (21.5°C) and min 51.3°F (10.7°C).Temperature
Spiritwood Lake's transition into September involves a shift in temperature, receding from a moderately hot 81°F (27.2°C) in August to a pleasant 70.7°F (21.5°C). The average low-temperature in Spiritwood Lake during September nights is a cool 51.3°F (10.7°C).Humidity
The average relative humidity in September is 61%.Rainfall
In Spiritwood Lake, in September, during 8.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, in Spiritwood Lake, there are 96.6 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Spiritwood Lake.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Spiritwood Lake, sunrise is at 6:54 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:15 pm CDT.
Sunshine
In Spiritwood Lake, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Spiritwood Lake, ND
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure in September
Spiritwood Lake, ND
- Average pressure in September: 29.96"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
Spiritwood Lake, ND
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Spiritwood Lake, ND
- Average humidity in September: 61%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Spiritwood Lake, ND
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Spiritwood Lake, ND
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Spiritwood Lake, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spiritwood Lake, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spiritwood Lake, 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 42min
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 36min).
Average sunshine days in September
Spiritwood Lake, 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 (12 days).
Average UV index in September
Spiritwood Lake, 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 and November (UV index 1).
Average cloud cover in September
Spiritwood Lake, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
Spiritwood Lake, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
