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
In Galena, the average high-temperature in September gently drops from a warm 75.9°F (24.4°C) in August to a pleasant 68.9°F (20.5°C). Galena records a consistent low-temperature of 49.6°F (9.8°C) during September nights.Humidity
The average relative humidity in September in Galena, New York, is 81%.Rainfall
The month with the least rainfall in Galena is September, when the rain falls for 13.7 days and typically collects 2.28" (58mm) of precipitation.Snowfall
June through September are months without snowfall in Galena.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Galena, sunrise is at 6:27 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:44 pm EDT.
Sunshine
In Galena, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Galena is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Galena in September?
What is the average humidity in September in Galena?
What is the driest month in Galena?
How much does it rain in Galena in September?
When it does not snow in Galena?
Does it snow in Galena in September?
How many hours of daylight does Galena have in September?
When is the sunrise / sunset in September in Galena?
How many hours of sunshine does Galena have in September?
How high is the UV index in September in Galena?
Average temperature in September
Galena, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Galena, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Galena, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Galena, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Galena, NY
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Galena, NY
- Average rainfall days in September: 13.7 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Galena, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Galena, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Galena, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Galena, NY
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in September
Galena, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Galena, NY
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Galena, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Galena, New York, USA
Weather forecast for your location
2. Allow the app to use your location
