September weather forecast
New Salem, ND

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Weather in September

September in New Salem brings the transition from summer to fall, with temperatures beginning to gently cool down. The daylight hours start to recede, though sunshine is still plenteous. The city basks in vibrant autumn hues that usher in a new charm. Although rainfall steadily decreases in comparison to wetter summer months, a measurement of 1.46" (37mm) is still seen. The fall foliage emerges, making September a picturesque month around the city.

Temperature

The arrival of September corresponds with a shift in temperature, down from a moderately hot 82°F (27.8°C) in August to an agreeable 71.8°F (22.1°C). An average low-temperature of 51.8°F (11°C) marks the nights throughout September.

Humidity

In September, the average relative humidity is 57%.

Rainfall

In September, the rain falls for 8.9 days. Throughout September, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in New Salem, there are 94.3 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

In New Salem, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 7:06 am and sunset at 8:24 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:26 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for New Salem in September?

The high-temperature, in September, in New Salem, records 71.8°F (22.1°C), while the low-temperature is 51.8°F (11°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 84.2°F (29°C).

What is the average humidity in September?

In September, the average relative humidity is 57%.

How many days does it rain in September?

In September, the rain falls for 8.9 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In New Salem, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In New Salem, the average day length in September is 12h and 32min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:06 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:26 pm CDT.

How many hours of sunshine does New Salem have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
New Salem, ND

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in September: 51.8°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 (6.3°F).

Average pressure in September
New Salem, ND

Average pressure in September - New Salem, 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
New Salem, ND

Average wind speed in September - New Salem, ND
  • Average wind speed in September: 9.9mph

The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September
New Salem, ND

Average humidity in September - New Salem, ND
  • Average humidity in September: 57%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

Average rainfall in September
New Salem, ND

Average rainfall in September - New Salem, ND
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in September
New Salem, ND

Average rainfall days in September - New Salem, ND
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in September
New Salem, ND

Average snowfall in September - New Salem, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
New Salem, ND

Average snowfall days in September - New Salem, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
New Salem, ND

Average daylight in September / Average sunshine in September - New Salem, 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 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 54min).

Average sunshine days in September
New Salem, ND

Average sunshine days in September - New Salem, ND
  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).

Average UV index in September
New Salem, ND

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

Average cloud cover in September
New Salem, ND

Average cloud cover in September - New Salem, ND
  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
New Salem, ND

Average visibility in September - New Salem, 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).

New Salem, North Dakota, USA

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