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
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 75.9°F (24.4°C) to an agreeable 68.7°F (20.4°C). The nighttime temperature dips to a chilly 48.4°F (9.1°C) on average during September.Humidity
In Madison, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 0.43" (11mm) of precipitation.Snowfall
In Madison, 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 6:02 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:21 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Madison, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September in Madison?
How many hours of sunshine does Madison have in September?
What is the UV index intensity in September?
Average temperature in September
Madison, ME
- Average high temperature in September: 68.7°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 (24.3°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Madison, 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
Madison, ME
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Madison, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in September
Madison, ME
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is October (1.1").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Madison, ME
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Madison, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Madison, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Madison, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Madison, ME
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Madison, ME
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Madison, ME
- Average cloud cover in September: 37
The months with the most cloud cover are February and April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Madison, ME
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is August (4mi).
Madison, Maine, USA
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