September weather forecast
Dawson, NE

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Weather in September

The first month of the autumn, September, is still a warm month in Dawson, Nebraska, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 78.3°F (25.7°C).

Temperature

In the transition to September, Dawson observes a minor drop in the average high-temperature, shifting from 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). The low-temperature average for Dawson during September stands at a moderate 58.3°F (14.6°C).

Humidity

In Dawson, the average relative humidity in September is 72%.

Rainfall

In Dawson, during September, the rain falls for 11.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Dawson, during the entire year, the rain falls for 120.1 days and collects up to 22.8" (579mm) of precipitation.

Snowfall

In Dawson, snow does not fall in May through September.

Daylight

In Dawson, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:06 pm CDT.

Sunshine

In Dawson, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Dawson in September?

The high-temperature, in September, in Dawson, is 78.3°F (25.7°C), while the low-temperature averages to 58.3°F (14.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in September?

In Dawson, the average relative humidity in September is 72%.

How many days does it rain in September?

In Dawson, in September, it is raining for 11.7 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall in Dawson.

Does it snow in September?

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

How many hours of daylight does Dawson have in September?

The average day length in September is 12h and 26min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:06 pm CDT.

How many hours of sunshine does Dawson have in September?

In Dawson, the average sunshine duration in September is 9.1h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Dawson, NE

Average temperature in September - Dawson, NE
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in September
Dawson, NE

Average pressure in September - Dawson, NE
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Dawson, NE

Average wind speed in September - Dawson, NE
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in September
Dawson, NE

Average humidity in September - Dawson, NE
  • Average humidity in September: 72%

The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).

Average rainfall in September
Dawson, NE

Average rainfall in September - Dawson, NE
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in September
Dawson, NE

Average rainfall days in September - Dawson, NE
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).

Average snowfall in September
Dawson, NE

Average snowfall in September - Dawson, NE
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Dawson, NE

Average snowfall days in September - Dawson, NE
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Dawson, NE

Average daylight in September / Average sunshine in September - Dawson, NE
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in September
Dawson, NE

Average sunshine days in September - Dawson, NE
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).

Average UV index in September
Dawson, NE

Average UV index in September - Dawson, NE
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Dawson, NE

Average cloud cover in September - Dawson, NE
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in September
Dawson, NE

Average visibility in September - Dawson, NE
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Dawson, Nebraska, USA

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