September weather forecast
Hazelton, ID

Weather in September

September, the first month of the autumn, in Hazelton, is still a warm month, with average temperature ranging between max 76.1°F (24.5°C) and min 53.8°F (12.1°C).

Temperature

In September, the average high-temperature drops, from a hot 86.9°F (30.5°C) in August, to a moderately hot 76.1°F (24.5°C). In Hazelton, in September, the average low-temperature is 53.8°F (12.1°C).

Humidity

In Hazelton, the average relative humidity is 35%.

Rainfall

In Hazelton, during 6.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hazelton, Idaho, are January through May, September through December. September is the first month it typically snows in Hazelton. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Hazelton, there are 50.9 snowfall days, and 24.57" (624mm) of snow is accumulated.

Daylight

In Hazelton, the average length of the day is 12.5h.

Sunshine

In Hazelton, Idaho, the average sunshine is 9.6h.

UV index

The average daily maximum UV index in Hazelton is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in September in Hazelton?

The average relative humidity in September in Hazelton is 35%.

How many days does it rain in September in Hazelton?

In September, the rain falls for 6.3 days. Throughout September, 0.43" (11mm) of precipitation is accumulated.

When does it start snowing in Hazelton?

September is the first month it typically snows in Hazelton, Idaho. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

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

In September, the average length of the day in Hazelton, Idaho, is 12.5h.

How long on average sun shines in September in Hazelton?

The average sunshine in September in Hazelton, Idaho, is 9.6h.

How high is the UV index in September in Hazelton?

In September, the average daily maximum UV index in Hazelton is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Hazelton, ID

Average temperature in September - Hazelton, ID
  • Average high temperature in September: 76.1°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 (32.5°F).

  • Average low temperature in September: 53.8°F

Months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in September
Hazelton, ID

Average pressure in September - Hazelton, ID
  • Average pressure in September: 29.93"

The month with the highest atmospheric pressure is January (30.29").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in September
Hazelton, ID

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

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

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Average humidity in September
Hazelton, ID

Average humidity in September - Hazelton, ID
  • Average humidity in September: 35%

The month with the highest relative humidity is January (80%).
Months with the lowest relative humidity are July and August (30%).

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Average rainfall in September
Hazelton, ID

Average rainfall in September - Hazelton, ID
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in September
Hazelton, ID

Average rainfall days in September - Hazelton, ID
  • Average rainfall days in September: 6.3 days

Months with the highest number of rainy days are March and April (14 days).
Months with the least rainy days are July and August (5.2 days).

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Average snowfall in September
Hazelton, ID

Average snowfall in September - Hazelton, ID
  • Average snowfall in September: 0.16"

The month with the highest snowfall is December (6.54").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Hazelton, ID

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

The month with the highest number of snowfall days is December (13 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Hazelton, ID
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.7h).

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Average sunshine days in September
Hazelton, ID

Average sunshine days in September - Hazelton, ID
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).

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Average UV index in September
Hazelton, ID

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Hazelton, ID

Average cloud cover in September - Hazelton, ID
  • Average cloud cover in September: 14

The month with the most cloud cover is December (Cloud cover 40).
Months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in September
Hazelton, ID

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

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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