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
Georgetown, Colorado, in September experiences a gentle temperature dip, with average high-temperatures reducing from a pleasant 68.7°F (20.4°C) in August to a comfortable 62.8°F (17.1°C). Despite the significant gap from daytime peaks, Georgetown experiences an average low-temperature of 37.9°F (3.3°C) in September.Humidity
In September, the average relative humidity in Georgetown is 54%.Rainfall
In Georgetown, in September, during 13 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Georgetown, Colorado, during the entire year, the rain falls for 138.3 days and collects up to 23.07" (586mm) of precipitation.Snowfall
Months with snowfall are January through December. In Georgetown, during September, snow falls for 3.5 days and regularly aggregates up to 1.26" (32mm) of snow. Throughout the year, there are 127.6 snowfall days, and 93.94" (2386mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:31 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm MDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Georgetown?
What is the average humidity in September in Georgetown?
How much does it rain in Georgetown in September?
How many days does it snow in September in Georgetown?
How many hours of daylight does Georgetown have in September?
When are sunrise and sunset in September in Georgetown?
How many hours of sunshine does Georgetown have in September?
How high is the UV index in September in Georgetown?
Average temperature in September
Georgetown, CO
- Average high temperature in September: 62.8°F
The warmest month (with the highest average high temperature) is July (70°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in September: 37.9°F
The month with the highest average low temperature is July (44.2°F).
The coldest months (with the lowest average low temperature) are January and December (8.1°F).
Average pressure in September
Georgetown, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and May (29.93"Hg).
Average wind speed in September
Georgetown, CO
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Georgetown, CO
- Average humidity in September: 54%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (51%).
Average rainfall in September
Georgetown, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
Georgetown, CO
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in September
Georgetown, CO
- Average snowfall in September: 1.26"
The month with the highest snowfall is May (17.48").
The month with the least snowfall is July (0.12").
Average snowfall days in September
Georgetown, CO
- Average snowfall days in September: 3.5 days
The month with the highest number of snowfall days is April (18.5 days).
The months with the least snowfall days are July and August (0.5 days).
Average daylight in September /
Average sunshine in September
Georgetown, 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 0min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Georgetown, CO
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in September
Georgetown, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Georgetown, CO
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are June and September (Cloud cover 18).
Average visibility in September
Georgetown, 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).
Georgetown, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location