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's arrival signals a moderate reduction in the average high-temperature, easing from a warm 75.9°F (24.4°C) in August to a pleasant 68°F (20°C). An average low-temperature of 48.6°F (9.2°C) is recorded during the nights in September.Humidity
In Guilford, Maine, the average relative humidity in September is 79%.Rainfall
In Guilford, during September, the rain falls for 12.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Guilford, Maine, there are 154.3 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Guilford, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:14 pm. On the last day of September, in Guilford, sunrise is at 6:35 am and sunset at 6:19 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the average September temperature in Guilford?
What is the average humidity in September in Guilford?
How many days does it rain in September in Guilford?
When it does not snow in Guilford?
Does it snow in Guilford in September?
How many hours of daylight does Guilford have in September?
What time are sunrise and sunset in September in Guilford?
How long on average sun shines in September in Guilford?
How high is the UV index in September in Guilford?
Average temperature in September
Guilford, ME
- Average high temperature in September: 68°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 (23.9°F).
- Average low temperature in September: 48.6°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
Guilford, 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 (29.9"Hg).
Average wind speed in September
Guilford, ME
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Guilford, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Guilford, ME
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is July (1.89").
Average rainfall days in September
Guilford, ME
- Average rainfall days in September: 12.2 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Guilford, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Guilford, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Guilford, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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: 3h and 48min).
Average sunshine days in September
Guilford, ME
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in September
Guilford, 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
Guilford, ME
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in September
Guilford, ME
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Guilford, Maine, USA
Weather forecast for your location
2. Allow the app to use your location
