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 Hampden, entering September brings a subtle temperature decrement, reducing from August's warm 76.6°F (24.8°C) to a pleasant 68.9°F (20.5°C). Hampden, in September, experiences an average temperature of 50°F (10°C) at night.Humidity
In Hampden, the average relative humidity in September is 79%.Rainfall
In Hampden, in September, it is raining for 8.5 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 125.4 rainfall days, and 13.78" (350mm) of precipitation is accumulated.Snowfall
In Hampden, snow does not fall in June through September.Daylight
In September, the average length of the day in Hampden is 12h and 31min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:11 pm. On the last day of September, in Hampden, sunrise is at 6:32 am and sunset at 6:17 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in September in Hampden?
What is the average humidity in September in Hampden?
How much does it rain in Hampden in September?
When it does not snow in Hampden?
Does it snow in Hampden in September?
What is the average length of the day in September in Hampden?
What time are sunrise and sunset in September in Hampden?
How many hours of sunshine does Hampden have in September?
How high is the UV index in September in Hampden?
Average temperature in September
Hampden, 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 (26.4°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in September
Hampden, 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
Hampden, 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
Hampden, 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
Hampden, ME
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is July (0.79").
Average rainfall days in September
Hampden, ME
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Hampden, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hampden, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hampden, 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
Hampden, ME
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Hampden, 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
Hampden, ME
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Hampden, 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).
Hampden, Maine, USA
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