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
Perella's progression into September includes a drop in the average high-temperature, from a warm 80.1°F (26.7°C) in August to an agreeable 69.3°F (20.7°C). September nights experience a consistent temperature drop to a cool 50.7°F (10.4°C).Humidity
In Perella, the average relative humidity in September is 54%.Rainfall
In Perella, in September, it is raining for 8.5 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 85.6 rainfall days, and 11.89" (302mm) of precipitation is accumulated.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 7:06 am and sunset at 8:30 pm. On the last day of September, in Perella, sunrise is at 7:48 am and sunset at 7:29 pm CDT.
Sunshine
In Perella, the average sunshine in September is 8.3h.UV index
In Perella, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the average September temperature in Perella?
What is the average humidity in September in Perella?
How much does it rain in Perella in September?
When it does not snow in Perella?
Does it snow in Perella in September?
How many hours of daylight does Perella have in September?
When is the sunrise / sunset in September in Perella?
How long on average sun shines in September in Perella?
What is the UV index reading in September in Perella?
Average temperature in September
Perella, ND
- Average high temperature in September: 69.3°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 February (17.2°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).
Average pressure in September
Perella, ND
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Perella, ND
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Perella, ND
- Average humidity in September: 54%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Perella, ND
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in September
Perella, ND
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Perella, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Perella, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Perella, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Perella, ND
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in September
Perella, 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
Perella, ND
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in September
Perella, 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).
Perella, North Dakota, USA
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