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
During Regan's transition into September, the average high-temperature lessens, moving from a moderately hot 81.3°F (27.4°C) in August to an agreeable 71.1°F (21.7°C). Throughout September, Regan witnesses a nighttime temperature average of 51.3°F (10.7°C).Humidity
In Regan, the average relative humidity in September is 57%.Rainfall
In Regan, in September, during 9.1 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Regan, there are 100.5 rainfall days, and 15.2" (386mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 7:02 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:22 pm CDT.
Sunshine
In September, the average sunshine in Regan is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Regan in September?
What is the average humidity in September?
How many days does it rain in September in Regan?
When it does not snow in Regan?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Regan have in September?
What is the UV index reading in September?
Average temperature in September
Regan, ND
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Regan, ND
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Regan, ND
- Average wind speed in September: 10.3mph
The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Regan, ND
- Average humidity in September: 57%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Regan, ND
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Regan, ND
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Regan, ND
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Regan, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Regan, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Regan, 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 April (12.8 days).
Average UV index in September
Regan, 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 and December (UV index 1).
Average cloud cover in September
Regan, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Regan, 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).
Regan, North Dakota, USA
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