September weather forecastFargo, ND
September
Weather in September
September is a transition month, with temperatures dropping from the fiery highs of August. The rainfall amount sees a significant reduction, it reaches from 1.69in in August to 1.26in in September. This period gracefully welcomes autumn, painting a myriad of colors across the city as foliage changes color. Brisk autumn air replaces the summer heat, slowly introducing cooler nights. As Fargo, North Dakota steps into October, the unmistakable chill of winter starts to become more apparent.Temperature
In Fargo, the average high-temperature in September drops from a moderately hot 81°F (27.2°C) in August to an agreeable 71.8°F (22.1°C). September sees the temperature falling to a mean low of 52.7°F (11.5°C).Humidity
The least humid month is September, with an average relative humidity of 63%.Rainfall
In Fargo, in September, it is raining for 8.9 days, with typically 1.26" (32mm) of accumulated precipitation. In Fargo, North Dakota, during the entire year, the rain falls for 102.5 days and collects up to 17.17" (436mm) of precipitation.Snowfall
In Fargo, snow does not fall in June through September.Daylight
In Fargo, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:06 pm. On the last day of September, in Fargo, sunrise is at 7:25 am and sunset at 7:08 pm CDT.
Sunshine
In Fargo, North Dakota, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Fargo is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fargo, ND
- Average high temperature in September: 71.8°F
The warmest months (with the highest average high temperature) are July and August (81°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Fargo, ND
- Average pressure in September: 29.97"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
Fargo, ND
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Fargo, ND
- Average humidity in September: 63%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Fargo, ND
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Fargo, ND
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Fargo, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fargo, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fargo, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Fargo, ND
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Fargo, 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 and December (UV index 1).
Average cloud cover in September
Fargo, ND
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Fargo, 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).
