September weather forecastBottineau, ND
September
Weather in September
Showing the first signs of autumn, September sees temperatures falling to a high of 68.4°F (20.2°C). The warming embrace of the sun reduces from the summer peak, yet the long hours of daylight still hold. This month marks a period of transition when Bottineau transforms from warm summer hues to autumnal colors. Conditions are ripe for late summer harvest, and this period is deeply significant to the agricultural communities. The wind speeds are gentle, complementing the mellow weather of this month.Temperature
The shift from August to September corresponds with a decrease in the average high-temperature, down to a pleasant 68.4°F (20.2°C) from a moderately hot 79°F (26.1°C). Bottineau's average low-temperature is measured at a chilly 48.9°F (9.4°C) during September.Humidity
The average relative humidity in September in Bottineau is 60%.Rainfall
In September, the rain falls for 10 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Bottineau, there are 106.7 rainfall days, and 17.05" (433mm) of precipitation is accumulated.Snowfall
In Bottineau, 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 the month, sunrise is at 6:59 am and sunset at 8:23 pm. On the last day of September, in Bottineau, sunrise is at 7:41 am and sunset at 7:21 pm CDT.
Sunshine
In Bottineau, North Dakota, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Bottineau is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bottineau, ND
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (0.1°F).
Average pressure in September
Bottineau, 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
Bottineau, ND
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Bottineau, ND
- Average humidity in September: 60%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Bottineau, ND
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Bottineau, ND
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Bottineau, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bottineau, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bottineau, ND
- Average daylight in September: 12h and 36min
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 18min).
- Average sunshine in September: 8h and 30min
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 0min).
Average sunshine days in September
Bottineau, ND
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Bottineau, 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 December (UV index 1).
Average cloud cover in September
Bottineau, ND
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Bottineau, 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 and February (4mi).
