September weather forecast
Lamar, NE

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Weather in September

September, the first month of the autumn in Lamar, is also a moderately hot month, with an average temperature fluctuating between 56.5°F (13.6°C) and 79.2°F (26.2°C).

Temperature

In Lamar, the average high-temperature in September gently drops from a tropical 86.5°F (30.3°C) in August to a warm 79.2°F (26.2°C). Throughout September nights, Lamar reports a steady thermal contrast from the day, with an average low-temperature of 56.5°F (13.6°C).

Humidity

September is the least humid month, with an average relative humidity of 51%.

Rainfall

In September, the rain falls for 8.7 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 119.5 rainfall days, and 16.14" (410mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:31 pm MDT.

Sunshine

The average sunshine in September is 10h.

UV index

In Lamar, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Lamar, is 79.2°F (26.2°C), while the average low-temperature is 56.5°F (13.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the least humid month?

September is the least humid month, with an average relative humidity of 51%.

What is the average humidity in September?

In September, the average relative humidity is 51%.

How many days does it rain in September?

In Lamar, in September, it is raining for 8.7 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Lamar have in September?

In September, the average day length is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:31 pm MDT.

How many hours of sunshine does Lamar have in September?

The average sunshine duration in September in Lamar is 10h.

What is the UV index reading in September?

In Lamar, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Lamar, NE

Average temperature in September - Lamar, NE
  • Average high temperature in September: 79.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure in September
Lamar, NE

Average pressure in September - Lamar, NE
  • Average pressure in September: 29.93"Hg

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in September
Lamar, NE

Average wind speed in September - Lamar, NE
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

Average humidity in September
Lamar, NE

Average humidity in September - Lamar, NE
  • Average humidity in September: 51%

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).

Average rainfall in September
Lamar, NE

Average rainfall in September - Lamar, NE
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in September
Lamar, NE

Average rainfall days in September - Lamar, NE
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).

Average snowfall in September
Lamar, NE

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

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lamar, NE

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

The months with the highest number of snowfall days are January and February (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
Lamar, NE

Average daylight in September / Average sunshine in September - Lamar, 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 18min).

  • Average sunshine in September: 10h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).

Average sunshine days in September
Lamar, NE

Average sunshine days in September - Lamar, NE
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in September
Lamar, NE

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Lamar, NE

Average cloud cover in September - Lamar, NE
  • Average cloud cover in September: 20

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Lamar, NE

Average visibility in September - Lamar, 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).

Lamar, Nebraska, USA

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