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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 85.5°F (29.7°C) to a still warm 78.4°F (25.8°C). Glendale reports a significant contrast between daytime and nighttime temperatures, with an average low of 52.9°F (11.6°C) in September.Humidity
In September, the average relative humidity is 42%.Rainfall
In Glendale, in September, it is raining for 7.2 days, with typically 0.51" (13mm) of accumulated precipitation. In Glendale, during the entire year, the rain falls for 80.2 days and collects up to 9.72" (247mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of September, in Glendale, Colorado, sunrise is at 6:55 am and sunset at 6:43 pm MDT.
Sunshine
In Glendale, the average sunshine in September is 11.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Glendale in September?
What is the average humidity in September in Glendale?
How much does it rain in Glendale in September?
When it does not snow in Glendale?
Does it snow in Glendale in September?
What is the average length of the day in September in Glendale?
What time are sunrise and sunset in September in Glendale?
How many hours of sunshine does Glendale have in September?
What is the UV index reading in September in Glendale?
Average temperature in September
Glendale, CO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in September
Glendale, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in September
Glendale, CO
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in September
Glendale, CO
- Average humidity in September: 42%
The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in September
Glendale, CO
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Glendale, CO
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Glendale, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glendale, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Glendale, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in September
Glendale, CO
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Glendale, CO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Glendale, CO
- Average cloud cover in September: 14
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Glendale, CO
- 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).
Glendale, Colorado, USA
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