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Weather in Aomori for September 2025

Your guide to Aomori weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Aomori is slightly cooler than the historical average by -0.7 °C.

  • Expect cooler weather in the next days in Aomori with the forecast suggesting a temperature of 23.9 °C, lower than the historical average.

  • In general, the average temperature in Aomori at the beginning of September is 26.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.6 °C by the end of September.

    • Rain 🌧️

  • Aomori in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 151.1 mm.

    • More

  • Is September a good time to visit Aomori? check out the best time to travel to Aomori page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Aomori Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
28°
2
Light rain shower
25°
3
Patchy rain possible
26°
4
Moderate or heavy rain shower
28°
5
Patchy rain possible
27°
6
Moderate or heavy rain shower
25°
7
Patchy rain possible
25°
8
Overcast
26°
9
Light rain shower
25°
10
Light rain shower
26°
11
Light rain shower
27°
12
Cloudy
26°
13
Cloudy
27°
14
Patchy rain possible
24°
15
Sunny
27°
16
Patchy rain possible
27°
17
Patchy rain possible
28°
18
Moderate rain
22°
19
Sunny
22°
20
Overcast
21°
21
Moderate rain
19°
22
Partly cloudy
22°
23
Sunny
23°
24
Partly cloudy
24°
25
Patchy rain possible
25°
26
Patchy rain possible
26°
27
Patchy rain possible
25°
28
Light rain shower
21°
29
Patchy rain possible
22°
30
Patchy rain possible
22°

Temperatures trend during September in Aomori

See the weather trend as well as the moving average line

September weather in Aomori day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 28° /20° 4.4 mm 6
2 Sept. Light rain shower
Light rain shower
 25° /20° 38.6 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 26° /18° 3.7 mm 6
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /17° 5.3 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 27° /19° 0.3 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /18° 8.4 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 13.5 mm 6
8 Sept. Overcast
Overcast
 26° /18° 0.3 mm 6
9 Sept. Light rain shower
Light rain shower
 25° /18° 1.1 mm 6
10 Sept. Light rain shower
Light rain shower
 26° /19° 2.8 mm 6
11 Sept. Light rain shower
Light rain shower
 27° /20° 5.7 mm 6
12 Sept. Cloudy
Cloudy
 26° /18° 1.3 mm 6
13 Sept. Cloudy
Cloudy
 27° /19° 0 mm 7
14 Sept. Patchy rain possible
Patchy rain possible
 24° /17° 2.3 mm 1.4
15 Sept. Sunny
Sunny
 27° /16° 0 mm 1.6
16 Sept. Patchy rain possible
Patchy rain possible
 27° /18° 0.1 mm 1.6
17 Sept. Patchy rain possible
Patchy rain possible
 28° /19° 3.8 mm 0.3
18 Sept. Moderate rain
Moderate rain
 22° /15° 8.6 mm 4
19 Sept. Sunny
Sunny
 22° /14° 0 mm 5
20 Sept. Overcast
Overcast
 21° /13° 0 mm 4
21 Sept. Moderate rain
Moderate rain
 19° /16° 7.6 mm 4
22 Sept. Partly cloudy
Partly cloudy
 22° /15° 0.1 mm 5
23 Sept. Sunny
Sunny
 23° /14° 0 mm 5
24 Sept. Partly cloudy
Partly cloudy
 24° /16° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 4.8 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 26° /20° 0.7 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 25° /19° 1.6 mm 5
28 Sept. Light rain shower
Light rain shower
 21° /16° 14.8 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 0.1 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 3.7 mm 6
Next
Important Notice
Our weather forecast for Aomori in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Aomori forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Aomori weather in September vs August vs October

Compare September weather in Aomori with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures27°/21°24°/17°17°/11°
Rainfall141 mm151 mm200 mm
Wind13.5 km/h15.5 km/h20.3 km/h
Humidity86%78%74%
Rainy days21 days18 days21 days
Dry days10 days12 days10 days

Planning a trip to Aomori? Discover the best time to visit

Aomori in September - FAQ

What are the expected maximum and minimum temperatures in Aomori during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Aomori during September?
Significant rainfall exceeding 151.1 mm is expected in Aomori during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Aomori during September?
The average wind speed in Aomori during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Aomori in September?

As you prepare for your trip to Aomori in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Aomori, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Aomori

Explore the daily rainfall trends and prepare for Aomoris September weather 💧

UV exposure in Aomori during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Aomori?

Get accurate weather forecasts for Aomori, located at latitude 40.817 and longitude 140.733. Stay updated with localized weather information tailored for Aomori.

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