September weather forecast
Morgan, ID

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Morgan, Idaho, with an average temperature ranging between max 73.8°F (23.2°C) and min 50.2°F (10.1°C).

Temperature

Arrival of September comes with a reduction in the average high-temperature, falling from a warm 84.4°F (29.1°C) in August to a still moderately hot 73.8°F (23.2°C). During September, Morgan detects a significant contrast from its daytime temperatures, with nights averaging at a fresh 50.2°F (10.1°C).

Humidity

In Morgan, the average relative humidity in September is 40%.

Rainfall

In Morgan, Idaho, in September, it is raining for 8.5 days, with typically 0.79" (20mm) of accumulated precipitation. In Morgan, during the entire year, the rain falls for 120.8 days and collects up to 10.67" (271mm) of precipitation.

Snowfall

Months with snowfall in Morgan are January through May, September through December. September is the first month it typically snows in Morgan, Idaho. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow. In Morgan, during the entire year, snow falls for 69.9 days and aggregates up to 29.37" (746mm) of snow.

Daylight

In Morgan, the average length of the day in September is 12h and 29min.
On the first day of September in Morgan, Idaho, sunrise is at 6:53 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Morgan in September?

The high-temperature, in September, in Morgan, records 73.8°F (23.2°C), while the low-temperature is 50.2°F (10.1°C).

What is the average humidity in September in Morgan?

In Morgan, the average relative humidity in September is 40%.

How many days does it rain in September in Morgan?

In September, in Morgan, Idaho, the rain falls for 8.5 days. Throughout September, 0.79" (20mm) of precipitation is accumulated.

When does it start snowing in Morgan?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow.

How many hours of daylight does Morgan have in September?

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Morgan?

On the first day of September in Morgan, Idaho, sunrise is at 6:53 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.

How many hours of sunshine does Morgan have in September?

In September, the average sunshine duration in Morgan is 10h.

What is the UV index reading in September in Morgan?

In September, the average daily maximum UV index in Morgan is 4. A UV Index reading 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
Morgan, ID

Average temperature in September - Morgan, ID
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in September
Morgan, ID

Average pressure in September - Morgan, ID
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Morgan, ID

Average wind speed in September - Morgan, ID
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

Average humidity in September
Morgan, ID

Average humidity in September - Morgan, ID
  • Average humidity in September: 40%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (34%).

Average rainfall in September
Morgan, ID

Average rainfall in September - Morgan, ID
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in September
Morgan, ID

Average rainfall days in September - Morgan, ID
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (7.3 days).

Average snowfall in September
Morgan, ID

Average snowfall in September - Morgan, ID
  • Average snowfall in September: 0.31"

The month with the highest snowfall is January (7.83").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Morgan, ID

Average snowfall days in September - Morgan, ID
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Morgan, ID

Average daylight in September / Average sunshine in September - Morgan, ID
  • Average daylight in September: 12h and 3min

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

  • Average sunshine in September: 10h and 0min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Morgan, ID

Average sunshine days in September - Morgan, ID
  • Average sunshine days in September: 19.3 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (10.5 days).

Average UV index in September
Morgan, ID

Average UV index in September - Morgan, ID
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Morgan, ID

Average cloud cover in September - Morgan, ID
  • Average cloud cover in September: 15

The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Morgan, ID

Average visibility in September - Morgan, ID
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Morgan, Idaho, USA

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