Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September arrives, Chatcolet's weather displays a decrease in high-temperatures, transitioning from August's warm 80.2°F (26.8°C) to an agreeable 70.3°F (21.3°C). Chatcolet encounters a significant temperature differential, with an average low-temperature of 43.7°F (6.5°C) during September nights.Humidity
In September, the average relative humidity in Chatcolet is 59%.Rainfall
In Chatcolet, in September, it is raining for 7.4 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 145.2 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
Months with snowfall in Chatcolet are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Chatcolet, there are 70.2 snowfall days, and 59.69" (1516mm) of snow is accumulated.Daylight
In Chatcolet, Idaho, the average length of the day in September is 12h and 32min.On the first day of September in Chatcolet, sunrise is at 6:07 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:27 pm PDT.
Sunshine
The average sunshine in September in Chatcolet, Idaho, is 9.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Chatcolet?
What is the average humidity in September in Chatcolet?
How much does it rain in Chatcolet in September?
When does it start to snow in Chatcolet?
What is the average length of the day in September in Chatcolet?
What time are sunrise and sunset in September in Chatcolet?
How long on average sun shines in September in Chatcolet?
What is the UV index intensity in September in Chatcolet?
Average temperature in September
Chatcolet, ID
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in September: 43.7°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in September
Chatcolet, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Chatcolet, ID
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).
Average humidity in September
Chatcolet, ID
- Average humidity in September: 59%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Chatcolet, ID
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Chatcolet, ID
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is April (18.7 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in September
Chatcolet, ID
- Average snowfall in September: 0.08"
The month with the highest snowfall is January (16.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Chatcolet, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (16.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Chatcolet, ID
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Chatcolet, ID
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in September
Chatcolet, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Chatcolet, ID
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Chatcolet, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Chatcolet, Idaho, USA
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