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
Observing a mild shift, the average high-temperature during September reduces from August's warm 79°F (26.1°C) to a pleasant 68.4°F (20.2°C). September's nights observe an average temperature of 48.9°F (9.4°C).Humidity
In Souris, the average relative humidity in September is 60%.Rainfall
In Souris, during September, the rain falls for 10 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Souris, during the entire year, the rain falls for 106.7 days and collects up to 17.05" (433mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:24 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:22 pm CDT.
Sunshine
In Souris, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Souris?
What time are sunrise and sunset in September?
How many hours of sunshine does Souris have in September?
What is the UV index reading in September?
Average temperature in September
Souris, ND
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (0.1°F).
Average pressure in September
Souris, ND
- Average pressure in September: 29.95"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
Souris, ND
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Souris, ND
- Average humidity in September: 60%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Souris, ND
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Souris, ND
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Souris, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Souris, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Souris, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 3min
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 0min).
Average sunshine days in September
Souris, ND
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Souris, 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
Souris, ND
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Souris, 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 and February (4mi).
Souris, North Dakota, USA
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