September weather forecast
Buffalo, ND

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Weather in September

The first month of the autumn, September, is also an agreeable month in Buffalo, North Dakota, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 71.8°F (22.1°C).

Temperature

Buffalo observes a minor decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 80.8°F (27.1°C) to a pleasant 71.8°F (22.1°C). In September, in Buffalo, the average low-temperature is a cool 52.7°F (11.5°C).

Humidity

The least humid month is September, with an average relative humidity of 62%.

Rainfall

In Buffalo, in September, it is raining for 8.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Buffalo, during the entire year, the rain falls for 102.6 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

June through September are months without snowfall in Buffalo.

Daylight

In Buffalo, North Dakota, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:11 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Buffalo is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Buffalo?

In September, the average high-temperature and low-temperature in Buffalo are 71.8°F (22.1°C) and 52.7°F (11.5°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 82.4°F (28°C).

What is the least humid month in Buffalo?

September is the least humid month, with an average relative humidity of 62%.

What is the average humidity in September in Buffalo?

In Buffalo, North Dakota, the average relative humidity in September is 62%.

How much does it rain in Buffalo in September?

In Buffalo, during September, the rain falls for 8.3 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Buffalo?

In Buffalo, North Dakota, snow does not fall in June through September.

Does it snow in Buffalo in September?

In Buffalo, North Dakota, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Buffalo have in September?

In September, the average day length in Buffalo, North Dakota, is 12h and 32min.

When is the sunrise / sunset in September in Buffalo?

On the first day of September, sunrise is at 6:50 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:11 pm CDT.

How many hours of sunshine does Buffalo have in September?

The average sunshine duration in September in Buffalo is 8.8h.

How high is the UV index in September in Buffalo?

The average daily maximum UV index in September in Buffalo is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Buffalo, ND

Average temperature in September - Buffalo, ND
  • Average high temperature in September: 71.8°F

The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).

Average pressure in September
Buffalo, ND

Average pressure in September - Buffalo, 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
Buffalo, ND

Average wind speed in September - Buffalo, ND
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in September
Buffalo, ND

Average humidity in September - Buffalo, ND
  • Average humidity in September: 62%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).

Average rainfall in September
Buffalo, ND

Average rainfall in September - Buffalo, ND
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Buffalo, ND

Average rainfall days in September - Buffalo, ND
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in September
Buffalo, ND

Average snowfall in September - Buffalo, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Buffalo, ND

Average snowfall days in September - Buffalo, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Buffalo, ND

Average daylight in September / Average sunshine in September - Buffalo, ND
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in September
Buffalo, ND

Average sunshine days in September - Buffalo, 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 June (11 days).

Average UV index in September
Buffalo, ND

Average UV index in September - Buffalo, 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, November and December (UV index 1).

Average cloud cover in September
Buffalo, ND

Average cloud cover in September - Buffalo, ND
  • Average cloud cover in September: 28

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Buffalo, ND

Average visibility in September - Buffalo, 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).

Buffalo, North Dakota, USA

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