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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 76.6°F (24.8°C) to a pleasant 68.9°F (20.5°C). Throughout September, the temperature in Holden tends to fall to a consistent average low of 50°F (10°C).Humidity
The average relative humidity in September in Holden is 79%.Rainfall
In Holden, in September, it is raining for 10.5 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 148.5 rainfall days, and 29.8" (757mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Holden.Daylight
In Holden, Maine, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 5:57 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:16 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the temperature in September in Holden?
What is the average humidity in September in Holden?
How much does it rain in Holden in September?
When it does not snow in Holden?
Does it snow in Holden in September?
What is the average length of the day in September in Holden?
What time are sunrise and sunset in September in Holden?
How many hours of sunshine does Holden have in September?
What is the UV index intensity in September in Holden?
Average temperature in September
Holden, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
Holden, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Holden, ME
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Holden, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Holden, ME
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in September
Holden, ME
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Holden, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holden, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holden, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Holden, ME
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in September
Holden, ME
- Average UV index in September: 4
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, March, October, November and December (UV index 2).
Average cloud cover in September
Holden, ME
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Holden, ME
- Average visibility in September: 5mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).
Holden, Maine, USA
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