September weather forecast
Bliss, ID

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Weather in September

September, the first month of the autumn in Bliss, is also a moderately hot month, with an average temperature fluctuating between 77.4°F (25.2°C) and 53.4°F (11.9°C).

Temperature

September suggests a modest reduction in the average high-temperature, shifting from a tropical 88.3°F (31.3°C) in August to a moderately hot 77.4°F (25.2°C). Bliss experiences a consistent, yet significant, drop from daily highs to a low-temperature of 53.4°F (11.9°C) throughout September.

Humidity

In September, the average relative humidity in Bliss, Idaho, is 35%.

Rainfall

In Bliss, in September, during 5.9 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 95.6 rainfall days, and 8.78" (223mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Bliss, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 7:05 am and sunset at 8:13 pm. On the last day of September, in Bliss, sunrise is at 7:36 am and sunset at 7:22 pm MDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index in Bliss is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Bliss?

During September, Bliss experiences an average high-temperature of 77.4°F (25.2°C) and a low-temperature of 53.4°F (11.9°C).

What is the average humidity in September in Bliss?

The average relative humidity in September in Bliss, Idaho, is 35%.

How many days does it rain in September in Bliss?

In Bliss, in September, it is raining for 5.9 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow in Bliss?

May through September are months without snowfall in Bliss, Idaho.

Does it snow in Bliss in September?

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

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

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

What time are sunrise and sunset in September in Bliss?

On the first day of September, sunrise is at 7:05 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:22 pm MDT.

How long on average sun shines in September in Bliss?

In September, the average sunshine duration is 9.6h.

How high is the UV index in September in Bliss?

In September, the average daily maximum UV index in Bliss is 4. A UV Index value of 3 to 5 symbolizes 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
Bliss, ID

Average temperature in September - Bliss, ID
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (32.9°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.7°F).

Average pressure in September
Bliss, ID

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

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Bliss, ID

Average wind speed in September - Bliss, ID
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (7.1mph).

Average humidity in September
Bliss, ID

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

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (28%).

Average rainfall in September
Bliss, ID

Average rainfall in September - Bliss, ID
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in September
Bliss, ID

Average rainfall days in September - Bliss, ID
  • Average rainfall days in September: 5.9 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (4.3 days).

Average snowfall in September
Bliss, ID

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

The month with the highest snowfall is January (7.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Bliss, ID

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

The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Bliss, 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 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days in September
Bliss, ID

Average sunshine days in September - Bliss, ID
  • Average sunshine days in September: 22.6 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is March (14.3 days).

Average UV index in September
Bliss, ID

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

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).

Average cloud cover in September
Bliss, ID

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

The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in September
Bliss, ID

Average visibility in September - Bliss, 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).

Bliss, Idaho, USA

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