September weather forecast
Hartman, NE

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hartman, Nebraska, with an average temperature varying between 53.4°F (11.9°C) and 78.4°F (25.8°C).

Temperature

In Hartman, the average high-temperature in September slightly decreases from a tropical 86.5°F (30.3°C) in August to a warm 78.4°F (25.8°C). Hartman experiences a drastic reduction from day temperatures to an average low of 53.4°F (11.9°C) in September.

Humidity

August and September, with an average relative humidity of 46%, are the least humid months in Hartman.

Rainfall

In Hartman, in September, during 7.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 104.8 rainfall days, and 13.35" (339mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Hartman. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Hartman, there are 39 snowfall days, and 17.17" (436mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm MDT.

Sunshine

In September, the average sunshine is 10.6h.

UV index

In September, the average daily maximum UV index in Hartman is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

Frequently asked questions

What is the usual temperature for Hartman in September?

The average high-temperature, in September, in Hartman, is 78.4°F (25.8°C), while the average low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What are the least humid months in Hartman?

The months with the lowest humidity in Hartman, Nebraska, are August and September, with an average relative humidity of 46%.

What is the average humidity in September in Hartman?

In Hartman, Nebraska, the average relative humidity in September is 46%.

How much does it rain in Hartman in September?

In Hartman, in September, it is raining for 7.9 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it start snowing in Hartman?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

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

The average day length in September is 12h and 28min.

When are sunrise and sunset in September in Hartman?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of the month, in Hartman, sunrise is at 6:52 am and sunset at 6:38 pm MDT.

How long on average sun shines in September in Hartman?

In September, the average sunshine duration in Hartman is 10.6h.

What is the UV index reading in September in Hartman?

In September, the average daily maximum UV index in Hartman, Nebraska, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hartman, NE

Average temperature in September - Hartman, NE
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

[Resources]

Average pressure in September
Hartman, NE

Average pressure in September - Hartman, NE
  • Average pressure in September: 29.94"Hg

The months with the highest atmospheric pressure are January and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

[Resources]

Average wind speed in September
Hartman, NE

Average wind speed in September - Hartman, NE
  • Average wind speed in September: 9.5mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

[Resources]

Average humidity in September
Hartman, NE

Average humidity in September - Hartman, NE
  • Average humidity in September: 46%

The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are August and September (46%).

[Resources]

Average rainfall in September
Hartman, NE

Average rainfall in September - Hartman, NE
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.35").

[Resources]

Average rainfall days in September
Hartman, NE

Average rainfall days in September - Hartman, NE
  • Average rainfall days in September: 7.9 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (3.5 days).

[Resources]

Average snowfall in September
Hartman, NE

Average snowfall in September - Hartman, NE
  • Average snowfall in September: 0.08"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in September
Hartman, NE

Average snowfall days in September - Hartman, NE
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Hartman, NE
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

[Resources]

Average sunshine days in September
Hartman, NE

Average sunshine days in September - Hartman, NE
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (12.3 days).

[Resources]

Average UV index in September
Hartman, NE

Average UV index in September - Hartman, NE
  • Average UV index in September: 4

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

[Resources]

Average cloud cover in September
Hartman, NE

Average cloud cover in September - Hartman, NE
  • Average cloud cover in September: 17

The months with the most cloud cover are February and April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 16).

[Resources]

Average visibility in September
Hartman, NE

Average visibility in September - Hartman, 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).

[Resources]

Hartman, Nebraska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location