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 sea temperature 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
A subtle shift in Friendship's weather is observed as August turns into September, with the average high temperature reducing from an agreeable 72.7°F (22.6°C) to an enjoyable 66.6°F (19.2°C). Friendship usually reports an average low-temperature of 53.4°F (11.9°C) during the month of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Friendship, during September, the rain falls for 10.1 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Friendship, during the entire year, the rain falls for 144.1 days and collects up to 29.29" (744mm) of precipitation.Snowfall
In Friendship, snow does not fall in May through September.Ocean temperature
In Friendship, in September, the average water temperature is 58.8°F (14.9°C).Note: It is advised against swimming in 58.8°F (14.9°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The average length of the day in September in Friendship is 12h and 30min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:34 am and sunset at 6:19 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Friendship, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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 in Friendship?
When it does not snow?
Does it snow in September?
What is the ocean temperature in September?
How many hours of daylight does Friendship have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Friendship have in September?
What is the UV index intensity in September?
Average temperature in September
Friendship, ME
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Friendship, 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
Friendship, ME
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Friendship, ME
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Friendship, ME
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in September
Friendship, ME
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Friendship, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Friendship, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Friendship, ME
- Average sea temperature in September: 58.9°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest month (with the lowest average sea temperature) is March (38.1°F).
Average daylight in September /
Average sunshine in September
Friendship, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Friendship, ME
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in September
Friendship, 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, November and December (UV index 2).
Average cloud cover in September
Friendship, ME
- Average cloud cover in September: 33
The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Friendship, ME
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Friendship, Maine, USA
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