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 Gunnison enters September, the average high-temperature subtly lowers from the an agreeable 73.2°F (22.9°C) of August to a refreshing 66.6°F (19.2°C). Despite soaring daytime temperatures, Gunnison registers a consistent average low-temperature of 37.9°F (3.3°C) in September.Humidity
In Gunnison, the average relative humidity in September is 53%.Rainfall
September and November are months with the least rain when the rain falls for 8.1 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
July and September are months without snowfall.Daylight
In Gunnison, the average length of the day in September is 12h and 25min.On the first day of September in Gunnison, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm MDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 3 in September transforms into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Gunnison in September?
What is the average humidity in September in Gunnison?
What is the driest month in Gunnison?
How many days does it rain in September in Gunnison?
When it does not snow in Gunnison?
Does it snow in Gunnison in September?
What is the average length of the day in September in Gunnison?
What time are sunrise and sunset in September in Gunnison?
How long on average sun shines in September in Gunnison?
What is the UV index intensity in September in Gunnison?
Average temperature in September
Gunnison, CO
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in September: 37.9°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).
Average pressure in September
Gunnison, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in September
Gunnison, CO
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are May and June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).
Average humidity in September
Gunnison, CO
- Average humidity in September: 53%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (44%).
Average rainfall in September
Gunnison, CO
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.3").
The driest months (with the least rainfall) are September and November (0.55").
Average rainfall days in September
Gunnison, CO
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in September
Gunnison, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.97").
The months with the least snowfall are July and September (0").
Average snowfall days in September
Gunnison, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (12.8 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Gunnison, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Gunnison, CO
- Average sunshine days in September: 16.9 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Gunnison, CO
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Gunnison, CO
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility in September
Gunnison, CO
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Gunnison, Colorado, USA
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