September weather forecast
East Wilton, ME

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Weather in September

September, the first month of the autumn in East Wilton, is still a pleasant month, with an average temperature ranging between min 48.2°F (9°C) and max 68.4°F (20.2°C).

Temperature

In East Wilton, the average high-temperature in September gently drops from a moderately hot 75.7°F (24.3°C) in August to an agreeable 68.4°F (20.2°C). Throughout the nights in September, an average low-temperature of 48.2°F (9°C) is noted.

Humidity

The average relative humidity in September is 79%.

Rainfall

In East Wilton, in September, it is raining for 10.5 days, with typically 1.85" (47mm) of accumulated precipitation. In East Wilton, during the entire year, the rain falls for 152.2 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:22 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In East Wilton, in September, the average high-temperature is 68.4°F (20.2°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In East Wilton, in September, it is raining for 10.5 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow?

In East Wilton, Maine, snow does not fall in June through September.

Does it snow in September?

In East Wilton, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does East Wilton have in September?

In September, the average day length is 12h and 31min.

When are sunrise and sunset in September in East Wilton?

On the first day of September, sunrise is at 6:04 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:22 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
East Wilton, ME

Average temperature in September - East Wilton, ME
  • Average high temperature in September: 68.4°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in September: 48.2°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 (10.6°F).

Average pressure in September
East Wilton, ME

Average pressure in September - East Wilton, ME
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
East Wilton, ME

Average wind speed in September - East Wilton, ME
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
East Wilton, ME

Average humidity in September - East Wilton, ME
  • Average humidity in September: 79%

The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
East Wilton, ME

Average rainfall in September - East Wilton, ME
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is July (1.69").

Average rainfall days in September
East Wilton, ME

Average rainfall days in September - East Wilton, ME
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in September
East Wilton, ME

Average snowfall in September - East Wilton, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is February (11.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
East Wilton, ME

Average snowfall days in September - East Wilton, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
East Wilton, ME

Average daylight in September / Average sunshine in September - East Wilton, 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 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
East Wilton, ME

Average sunshine days in September - East Wilton, ME
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (10.9 days).

Average UV index in September
East Wilton, ME

Average UV index in September - East Wilton, 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 December (UV index 1).

Average cloud cover in September
East Wilton, ME

Average cloud cover in September - East Wilton, ME
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in September
East Wilton, ME

Average visibility in September - East Wilton, 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).

East Wilton, Maine, USA

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