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 a tropical 86.9°F (30.5°C) in August to a warm 81.1°F (27.3°C). Georgetown's September nights see a large temperature deviation, with temperatures resting at a low of 53.1°F (11.7°C).Heat index
For September, the heat index is calculated to be 80.6°F (27°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September is 41%.Rainfall
In Georgetown, in September, it is raining for 3.5 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Georgetown, there are 85.5 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall in Georgetown.Daylight
The average length of the day in September is 12h and 25min.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, in Georgetown, sunrise is at 6:59 am and sunset at 6:46 pm PDT.
Sunshine
In September, the average sunshine in Georgetown, California, is 11.2h.UV index
The average daily maximum UV index in September in Georgetown is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in Georgetown in September?
What is the average humidity in September in Georgetown?
How much does it rain in Georgetown in September?
When it does not snow in Georgetown?
What is the average length of the day in September in Georgetown?
What time are sunrise and sunset in September in Georgetown?
How many hours of sunshine does Georgetown have in September?
What is the UV index reading in September in Georgetown?
Average temperature in September
Georgetown, CA
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in September
Georgetown, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Georgetown, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Georgetown, CA
- Average humidity in September: 41%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is July (38%).
Average rainfall in September
Georgetown, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is March (7.01").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in September
Georgetown, CA
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is July (1.4 days).
Average snowfall in September
Georgetown, CA
- Average snowfall in September: 0"
The month with the highest snowfall is March (17.87").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Georgetown, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Georgetown, CA
- 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 July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Georgetown, CA
- Average sunshine days in September: 26.1 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in September
Georgetown, CA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Georgetown, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Georgetown, CA
- 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).
Georgetown, California, USA
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