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 advent of September brings a subtle shift in temperature, with the average high moving from an agreeable 70.3°F (21.3°C) in August to an enjoyable 64.2°F (17.9°C). Throughout September nights, Garo reports a steady thermal contrast from the day, with an average low-temperature of 39.7°F (4.3°C).Humidity
In Garo, the average relative humidity in September is 53%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 112.5 rainfall days, and 14.13" (359mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Garo. September is the first month it typically snows. Throughout September, in the average 1 snowfall days, it receives 0.47" (12mm) of snow. In Garo, during the entire year, snow falls for 88 days and aggregates up to 51.5" (1308mm) of snow.Daylight
In Garo, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:47 pm MDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Garo?
How much does it rain in September?
When does it start snowing in Garo?
How many hours of daylight does Garo have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Garo, CO
- Average high temperature in September: 64.2°F
The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in September: 39.7°F
The month with the highest average low temperature is July (45.9°F).
The coldest months (with the lowest average low temperature) are January and December (7.2°F).
Average pressure in September
Garo, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).
Average wind speed in September
Garo, CO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Garo, CO
- Average humidity in September: 53%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (45%).
Average rainfall in September
Garo, CO
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.64").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in September
Garo, CO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Garo, CO
- Average snowfall in September: 0.47"
The month with the highest snowfall is April (8.98").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Garo, CO
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is April (13.6 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Garo, 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 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Garo, CO
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Garo, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Garo, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Garo, 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 months with the lowest visibility are January and February (5mi).
Garo, Colorado, USA
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