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
September brings a minor decrease, with the average high-temperature reducing from a warm 80.4°F (26.9°C) in August to an agreeable 70.7°F (21.5°C). Throughout the month of September, the nighttime temperature in Finley dips to an average of 52°F (11.1°C).Humidity
In Finley, the average relative humidity in September is 62%.Rainfall
In Finley, during September, the rain falls for 8.6 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Finley, North Dakota, during the entire year, the rain falls for 101.8 days and collects up to 18.23" (463mm) of precipitation.Snowfall
In Finley, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:12 pm CDT.
Sunshine
In Finley, North Dakota, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Finley in September?
What is the average humidity in September in Finley?
How much does it rain in Finley in September?
When it does not snow in Finley?
Does it snow in Finley in September?
How many hours of daylight does Finley have in September?
When is the sunrise / sunset in September in Finley?
How many hours of sunshine does Finley have in September?
What is the UV index intensity in September in Finley?
Average temperature in September
Finley, ND
- Average high temperature in September: 70.7°F
The warmest months (with the highest average high temperature) are July and August (80.4°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 52°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 (1.8°F).
Average pressure in September
Finley, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Finley, ND
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in September
Finley, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Finley, ND
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Finley, ND
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Finley, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Finley, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Finley, 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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Finley, ND
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Finley, 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
Finley, ND
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Finley, 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).
Finley, North Dakota, USA
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