September weather forecast
Hammett, ID

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Weather in September

September, the first month of the autumn in Hammett, is also a moderately hot month, with an average temperature fluctuating between 56.5°F (13.6°C) and 78.3°F (25.7°C).

Temperature

The arrival of September corresponds with a shift in temperature, down from a tropical 89.8°F (32.1°C) in August to a moderately hot 78.3°F (25.7°C). The significant decline in Hammett's temperature, from day to night, averages of 56.5°F (13.6°C) in September.

Humidity

In September, the average relative humidity is 32%.

Rainfall

In September, the rain falls for 5 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 80.6 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:24 pm MDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index in Hammett is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average September temperature in Hammett?

The high-temperature during September is 78.3°F (25.7°C) and the low-temperature is 56.5°F (13.6°C).

What is the average humidity in September in Hammett?

In September, the average relative humidity is 32%.

How much does it rain in Hammett in September?

In Hammett, Idaho, in September, during 5 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

When it does not snow in Hammett?

In Hammett, snow does not fall in May through September.

Does it snow in Hammett in September?

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

How many hours of daylight does Hammett have in September?

In September, the average day length in Hammett, Idaho, is 12h and 29min.

When is the sunrise / sunset in September in Hammett?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:24 pm MDT.

How many hours of sunshine does Hammett have in September?

In Hammett, Idaho, the average sunshine duration in September is 9.6h.

What is the UV index reading in September in Hammett?

In Hammett, Idaho, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Hammett, ID

Average temperature in September - Hammett, ID
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (35.4°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure in September
Hammett, ID

Average pressure in September - Hammett, ID
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Hammett, ID

Average wind speed in September - Hammett, ID
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

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Average humidity in September
Hammett, ID

Average humidity in September - Hammett, ID
  • Average humidity in September: 32%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (26%).

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Average rainfall in September
Hammett, ID

Average rainfall in September - Hammett, ID
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in September
Hammett, ID

Average rainfall days in September - Hammett, ID
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.1 days).

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Average snowfall in September
Hammett, ID

Average snowfall in September - Hammett, ID
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Hammett, ID

Average snowfall days in September - Hammett, ID
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Hammett, 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: 9h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in September
Hammett, ID

Average sunshine days in September - Hammett, ID
  • Average sunshine days in September: 24 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (16.5 days).

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Average UV index in September
Hammett, ID

Average UV index in September - Hammett, ID
  • 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).

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Average cloud cover in September
Hammett, ID

Average cloud cover in September - Hammett, ID
  • Average cloud cover in September: 13

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in September
Hammett, ID

Average visibility in September - Hammett, ID
  • 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).

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Hammett, Idaho, USA

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