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 Germantown welcomes September, the average high-temperature is noted at a warm 82.8°F (28.2°C), closely aligning with the preceding month. An average minimum temperature of 71.1°F (21.7°C) is recorded during the month of September.Heat index
The heat index value during September is estimated at a tropical 89.6°F (32°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Germantown, during September, the rain falls for 18.4 days and regularly aggregates up to 5.24" (133mm) of precipitation. In Germantown, during the entire year, the rain falls for 182.2 days and collects up to 43.39" (1102mm) of precipitation.Snowfall
In Germantown, snow does not fall in March through December.Daylight
In Germantown, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:52 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Germantown in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Germantown?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Germantown, SC
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in September: 71.1°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Germantown, SC
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Germantown, SC
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Germantown, SC
- Average humidity in September: 77%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January, March and November (75%).
Average rainfall in September
Germantown, SC
- Average rainfall in September: 5.24"
The wettest month (with the highest rainfall) is August (7.28").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Germantown, SC
- Average rainfall days in September: 18.4 days
The month with the highest number of rainy days is July (25 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Germantown, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Germantown, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Germantown, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Germantown, SC
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in September
Germantown, SC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Germantown, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Germantown, SC
- 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).
Germantown, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location