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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 81.3°F (27.4°C) to a still warm 75.9°F (24.4°C). Germantown's average low-temperature for the month of September records at a moderate 58.1°F (14.5°C).Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall in Germantown, Indiana, is September, when the rain falls for 13.9 days and typically collects 2.17" (55mm) of precipitation.Snowfall
In Germantown, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of September, in Germantown, sunrise is at 7:38 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine in Germantown is 8.3h.UV index
In Germantown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the usual temperature for Germantown in September?
What is the average humidity in September in Germantown?
What is the driest month in Germantown?
How much does it rain in Germantown in September?
When it does not snow in Germantown?
What is the average length of the day in September in Germantown?
When is the sunrise / sunset in September in Germantown?
How long on average sun shines in September in Germantown?
What is the UV index reading in September in Germantown?
Average temperature in September
Germantown, IN
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Germantown, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Germantown, IN
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Germantown, IN
- Average humidity in September: 77%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Germantown, IN
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Germantown, IN
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Germantown, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Germantown, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Germantown, IN
- 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Germantown, IN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Germantown, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Germantown, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Germantown, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Germantown, Indiana, USA
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