September weather forecast and climate
Dawson, NE

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

Temperature

In September, the average high-temperature slightly decreases, from 84.2°F (29°C) in August, to a still moderately hot 78.3°F (25.7°C). The average low-temperature, in September, is 58.3°F (14.6°C).

Humidity

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

Rainfall

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

Snowfall

May through September are months without snowfall in Dawson.

Daylight

The average length of the day in Dawson is 12.4h.

Sunshine

The average sunshine in Dawson is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Dawson?

The average high-temperature, in September, in Dawson, Nebraska, is 78.3°F (25.7°C), while the average low-temperature is 58.3°F (14.6°C).

What is the average humidity in September in Dawson?

The average relative humidity in September in Dawson is 72%.

How many days does it rain in September in Dawson?

In September, in Dawson, the rain falls for 11.7 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

Does it snow in Dawson in September?

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

When it does not snow in Dawson?

May through September are months without snowfall in Dawson, Nebraska.

What is the average length of the day in September in Dawson?

In September, the average length of the day in Dawson is 12.4h.

How many hours of sunshine does Dawson have in September?

The average sunshine in September is 9.1h.

What is the UV index reading in September in Dawson?

The average daily maximum UV index in September in Dawson, Nebraska, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Dawson, NE
  • Average high temperature in September: 25.7°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in September: 14.6°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).

Average pressure in September - Dawson, NE
  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1011.4mbar).

Average wind speed in September - Dawson, NE
  • Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is March (16.5km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).

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

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: 45mm

The wettest month (with the highest rainfall) is May (93mm).
The driest month (with the least rainfall) is February (17mm).

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: 0mm

The month with the highest snowfall is January (64mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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).
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: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 5h).

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: 5

Months with the highest UV index are May, June, July and August (UV index 6).
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: 28

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

Average visibility in September - Dawson, NE
  • Average visibility in September: 9km

Months with the highest visibility are October and November (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (9km).