September weather forecast
Amherst, NE

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Weather in September

September, the first month of the autumn in Amherst, is still a warm month, with an average temperature varying between 56.8°F (13.8°C) and 78.6°F (25.9°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 85.6°F (29.8°C) to a still warm 78.6°F (25.9°C). September witnesses a substantial contrast between the daytime highs and the average low of 56.8°F (13.8°C).

Humidity

In September, the average relative humidity is 63%.

Rainfall

In Amherst, during September, the rain falls for 8.7 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Amherst, during the entire year, the rain falls for 102.6 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Amherst, the average length of the day in September is 12h and 27min.
On the first day of September in Amherst, sunrise is at 7:04 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:20 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Amherst in September?

The high-temperature, in September, in Amherst, is 78.6°F (25.9°C), while the low-temperature averages to 56.8°F (13.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Amherst?

In September, the average relative humidity is 63%.

How much does it rain in September?

In Amherst, in September, it is raining for 8.7 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall in Amherst.

Does it snow in September?

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

How many hours of daylight does Amherst have in September?

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

When is the sunrise / sunset in September in Amherst?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:20 pm CDT.

How many hours of sunshine does Amherst have in September?

The average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In Amherst, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Amherst, NE

Average temperature in September - Amherst, NE
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in September
Amherst, NE

Average pressure in September - Amherst, NE
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Amherst, NE

Average wind speed in September - Amherst, NE
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in September
Amherst, NE

Average humidity in September - Amherst, NE
  • Average humidity in September: 63%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (59%).

Average rainfall in September
Amherst, NE

Average rainfall in September - Amherst, NE
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Amherst, NE

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

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in September
Amherst, NE

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

The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Amherst, NE

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

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Amherst, NE

Average sunshine days in September - Amherst, NE
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in September
Amherst, NE

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

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).

Average cloud cover in September
Amherst, NE

Average cloud cover in September - Amherst, NE
  • Average cloud cover in September: 25

The months with the most cloud cover are January, February and March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in September
Amherst, NE

Average visibility in September - Amherst, 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).

Amherst, Nebraska, USA

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