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 subtly correlates with a reduction in the average high-temperature, down from a warm 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). Gorham usually reports an average low-temperature of 53.4°F (11.9°C) during the month of September.Humidity
In Gorham, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Gorham is September, when the rain falls for 10.8 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Gorham, Maine, snow does not fall in June through September.Daylight
In Gorham, Maine, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:24 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Gorham in September?
What is the average humidity in September in Gorham?
What is the driest month in Gorham?
How much does it rain in Gorham in September?
When it does not snow in Gorham?
Does it snow in Gorham in September?
How many hours of daylight does Gorham have in September?
What time are sunrise and sunset in September in Gorham?
How long on average sun shines in September in Gorham?
How high is the UV index in September in Gorham?
Average temperature in September
Gorham, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Gorham, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Gorham, ME
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Gorham, ME
- Average humidity in September: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Gorham, ME
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Gorham, ME
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Gorham, ME
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gorham, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gorham, 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 4min
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 48min).
Average sunshine days in September
Gorham, ME
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Gorham, 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
Gorham, ME
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Gorham, 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).
Gorham, Maine, USA
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