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
In Cataldo, the beginning of September is marked by a lowered average high-temperature, shifting from August's warm 78.4°F (25.8°C) to an agreeable 68.7°F (20.4°C). From the heights of the September heat, Cataldo records a mean nighttime low of 41.9°F (5.5°C).Humidity
In Cataldo, the average relative humidity in September is 62%.Rainfall
In Cataldo, during September, the rain falls for 9 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Cataldo, during the entire year, the rain falls for 140.1 days and collects up to 22.2" (564mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Cataldo, Idaho. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Cataldo, there are 57.8 snowfall days, and 45.31" (1151mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September in Cataldo, Idaho, sunrise is at 6:05 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:25 pm PDT.
Sunshine
The average sunshine in September in Cataldo is 9.5h.UV index
The average daily maximum UV index in September in Cataldo is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the temperature in September in Cataldo?
What is the average humidity in September in Cataldo?
How much does it rain in Cataldo in September?
When does it start to snow in Cataldo?
How many hours of daylight does Cataldo have in September?
When is the sunrise / sunset in September in Cataldo?
How long on average sun shines in September in Cataldo?
How high is the UV index in September in Cataldo?
Average temperature in September
Cataldo, ID
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).
Average pressure in September
Cataldo, ID
- Average pressure in September: 29.97"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
Cataldo, ID
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are September and December (4mph).
Average humidity in September
Cataldo, ID
- Average humidity in September: 62%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Cataldo, ID
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is January (2.8").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Cataldo, ID
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Cataldo, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (12.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Cataldo, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cataldo, 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 3min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Cataldo, ID
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is March (8.7 days).
Average UV index in September
Cataldo, ID
- Average UV index in September: 3
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
Cataldo, ID
- Average cloud cover in September: 25
The months with the most cloud cover are January, February and December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Cataldo, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Cataldo, Idaho, USA
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