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
The transition into September indicates a reduction in the average high-temperature, down to a chilly 47.5°F (8.6°C) from August's moderate 60.3°F (15.7°C). Evansville records an average temperature drop to a wintry 33.1°F (0.6°C) in September.Humidity
In Evansville, the average relative humidity in September is 75%.Rainfall
In Evansville, in September, it is raining for 11.3 days, with typically 1.18" (30mm) of accumulated precipitation. In Evansville, during the entire year, the rain falls for 76.6 days and collects up to 9.72" (247mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 3.8 snowfall days, it receives 1.06" (27mm) of snow. Throughout the year, there are 88.7 snowfall days, and 35.59" (904mm) of snow is accumulated.Daylight
The average length of the day in September is 13h and 6min.On the first day of September in Evansville, sunrise is at 6:41 am and sunset at 9:30 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 7:33 pm AKDT.
Sunshine
The average sunshine in September in Evansville is 6.7h.UV index
The months with the lowest UV index are January, March, April, September, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 1 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Evansville have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the month with the lowest UV index?
What is the UV index reading in September in Evansville?
Average temperature in September
Evansville, AK
- Average high temperature in September: 47.5°F
The warmest month (with the highest average high temperature) is July (68.2°F).
The month with the lowest average high temperature is January (-2.7°F).
- Average low temperature in September: 33.1°F
The month with the highest average low temperature is July (49.3°F).
The coldest month (with the lowest average low temperature) is January (-13.5°F).
Average pressure in September
Evansville, AK
- Average pressure in September: 29.8"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is September (29.8"Hg).
Average wind speed in September
Evansville, AK
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are June and July (5.1mph).
The calmest month (with the lowest average wind speed) is February (4.1mph).
Average humidity in September
Evansville, AK
- Average humidity in September: 75%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is June (52%).
Average rainfall in September
Evansville, AK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Evansville, AK
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in September
Evansville, AK
- Average snowfall in September: 1.06"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Evansville, AK
- Average snowfall days in September: 3.8 days
The month with the highest number of snowfall days is December (13.4 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Evansville, AK
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Evansville, AK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in September
Evansville, AK
- Average UV index in September: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, March, April, September, November and December (UV index 1).
Average cloud cover in September
Evansville, AK
- Average cloud cover in September: 52
The month with the most cloud cover is April (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in September
Evansville, AK
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is April (3mi).
Evansville, Alaska, USA
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