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
The start of September involves a temperature drop, moving from a warm 80.1°F (26.7°C) in August to a pleasant 70.3°F (21.3°C). Grace City observes an average nighttime temperature of 50.9°F (10.5°C) during September.Humidity
In September, the average relative humidity is 61%.Rainfall
In Grace City, in September, it is raining for 7.8 days, with typically 1.22" (31mm) of accumulated precipitation. In Grace City, during the entire year, the rain falls for 87.8 days and collects up to 15.83" (402mm) of precipitation.Snowfall
In Grace City, snow does not fall in June through September.Daylight
In Grace City, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:14 pm. On the last day of September, in Grace City, sunrise is at 7:33 am and sunset at 7:15 pm CDT.
Sunshine
In September, the average sunshine in Grace City is 8.6h.UV index
In September, the average daily maximum UV index in Grace City is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Grace City?
What is the average humidity in September in Grace City?
How many days does it rain in September in Grace City?
When it does not snow in Grace City?
Does it snow in Grace City in September?
How many hours of daylight does Grace City have in September?
When is the sunrise / sunset in September in Grace City?
How many hours of sunshine does Grace City have in September?
What is the UV index reading in September in Grace City?
Average temperature in September
Grace City, ND
- Average high temperature in September: 70.3°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Grace City, 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
Grace City, ND
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Grace City, ND
- Average humidity in September: 61%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Grace City, ND
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in September
Grace City, ND
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.1 days).
Average snowfall in September
Grace City, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Grace City, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (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
Grace City, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 4min
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
Grace City, ND
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Grace City, 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
Grace City, ND
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Grace City, 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).
Grace City, North Dakota, USA
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