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
The start of September involves a subtle temperature drop, shifting from a warm 78.8°F (26°C) in August to a pleasant 71.6°F (22°C). In the month of September, Ignacio witnesses a marked temperature drop at night, averaging a low of 48.7°F (9.3°C).Humidity
In September, the average relative humidity is 48%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In Ignacio, during the entire year, the rain falls for 114.6 days and collects up to 15.91" (404mm) of precipitation.Snowfall
In Ignacio, Colorado, snow does not fall in June through September.Daylight
In September, the average length of the day in Ignacio is 12h and 24min.On the first day of September, sunrise is at 6:41 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm MDT.
Sunshine
The average sunshine in September is 11h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Ignacio have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Ignacio, CO
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Ignacio, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.91"Hg).
Average wind speed in September
Ignacio, CO
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in September
Ignacio, CO
- Average humidity in September: 48%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (33%).
Average rainfall in September
Ignacio, CO
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is June (0.71").
Average rainfall days in September
Ignacio, CO
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (5 days).
Average snowfall in September
Ignacio, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ignacio, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ignacio, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Ignacio, CO
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Ignacio, CO
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Ignacio, CO
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Ignacio, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (4mi).
Ignacio, Colorado, USA
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