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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 76.1°F (24.5°C) in August to an agreeable 68.9°F (20.5°C). Throughout the month of September, the nighttime temperature in Burnham dips to an average of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Burnham, in September, it is raining for 10.1 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 144.9 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
In Burnham, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:00 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:19 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Burnham have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Burnham, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in September
Burnham, ME
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Burnham, ME
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Burnham, ME
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (85%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in September
Burnham, ME
- Average rainfall in September: 1.73"
The wettest months (with the highest rainfall) are April, October and December (3.23").
The driest month (with the least rainfall) is July (1.69").
Average rainfall days in September
Burnham, ME
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Burnham, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Burnham, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Burnham, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Burnham, ME
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (11.3 days).
Average UV index in September
Burnham, 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
Burnham, ME
- Average cloud cover in September: 40
The months with the most cloud cover are February, March and April (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Burnham, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).
Burnham, Maine, USA
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