Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the onset of September, Ypsilanti's average high-temperature adjusts, receding from August's moderately hot 81°F (27.2°C) to a pleasant 70.7°F (21.5°C). In September, the temperature drops to an average of 51.3°F (10.7°C) at night.Humidity
In September, the average relative humidity in Ypsilanti is 61%.Rainfall
In Ypsilanti, in September, during 8.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Ypsilanti, during the entire year, the rain falls for 96.6 days and collects up to 16.77" (426mm) of precipitation.Snowfall
In Ypsilanti, 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 in Ypsilanti, North Dakota, sunrise is at 6:55 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:15 pm CDT.
Sunshine
In Ypsilanti, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Ypsilanti is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Ypsilanti?
What is the average humidity in September in Ypsilanti?
How much does it rain in Ypsilanti in September?
When it does not snow in Ypsilanti?
Does it snow in Ypsilanti in September?
How many hours of daylight does Ypsilanti have in September?
When are sunrise and sunset in September in Ypsilanti?
How long on average sun shines in September in Ypsilanti?
What is the UV index intensity in September in Ypsilanti?
Average temperature in September
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, ND
- Average daylight in September: 12h and 3min
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 4min
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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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
Ypsilanti, 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).
Ypsilanti, North Dakota, USA
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