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 September, the average high-temperature marginally drops from a moderately hot 78.3°F (25.7°C) in August to an agreeable 71.6°F (22°C). September brings Humboldt a consistent average low-temperature of 52°F (11.1°C).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Humboldt, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
In Humboldt, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Humboldt in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Humboldt?
What time are sunrise and sunset in September?
How many hours of sunshine does Humboldt have in September?
How high is the UV index in September?
Average temperature in September
Humboldt, PA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Humboldt, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Humboldt, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Humboldt, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Humboldt, PA
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Humboldt, PA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Humboldt, PA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Humboldt, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Humboldt, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Humboldt, PA
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in September
Humboldt, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Humboldt, PA
- Average cloud cover in September: 43
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Humboldt, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Humboldt, Pennsylvania, USA
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