September weather forecastChaffee, ND
September
Weather in September
September, the first month of the autumn in Chaffee, is still a pleasant month, with an average temperature varying between 71.8°F (22.1°C) and 52.7°F (11.5°C).Temperature
As August transitions to September, the average high-temperature falls from a moderately hot 80.8°F (27.1°C) to a pleasant 71.8°F (22.1°C). Throughout September, the temperature falls to an average low of 52.7°F (11.5°C).Humidity
The least humid month in Chaffee is September, with an average relative humidity of 62%.Rainfall
In Chaffee, North Dakota, in September, it is raining for 8.3 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Chaffee is 12h and 32min.On the first day of September in Chaffee, sunrise is at 6:50 am and sunset at 8:08 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 in Chaffee is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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
Chaffee, 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).
