easeweather.com
Iwakuni Shi (Iwakuni)
AkitaAomoriAsahikawaBeppuChibaEbinaFujiFujikawaguchikoFujinomiyaFujiyoshidaFukuokaFuranoFurukawaGifu-shiHakodateHakoneHakubaHimejiHiroshimaItoshimaIwakuniKagoshimaKamakuraKamakuraKanazawaKaruizawaKobeKochiKumamotoKurashikiKusatsuKyotoKōyasanMaihamaMatsumotoMinakamiNaganoNagasakiNagoyaNahaNakatsugawaNara-shiNiigataNikkōNiseko TownNoboribetsuOkinawaOsakaOtaruSapporoSendaiShibuyaShigaShimizuShimodaShinjukuShirakawaShirakawa-goTakayamaTateyamaTochigiTokyoTokyo Disney LandTokyo Disney ResortTottoriToyamaUrayasuUrayasuWakayamaWakkanaiYamagataYokohamaYufuinYuzawa More Locations
Japan weather

Weather in Iwakuni Shi for September 2025

Your guide to Iwakuni Shi weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Iwakuni Shi has been nearly identical to the historical average, with a temperature of 28.9 °C (showing only a slight deviation of -0.3 °C).

  • The forecast for the next days in Iwakuni Shi predicts temperatures to be around 26 °C, close to the historical average.

  • In general, the average temperature in Iwakuni Shi at the beginning of September is 29 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.4 °C by the end of September.

    • Rain 🌧️

  • Iwakuni Shi experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 49.2 mm.

    • More

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

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

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/22°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Iwakuni Shi Weather September

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

Temperatures trend during September in Iwakuni Shi

See the weather trend as well as the moving average line

September weather in Iwakuni Shi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 1.1 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 3.5 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 2 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 26° /22° 22.8 mm 6
5 Sept. Sunny
Sunny
 30° /23° 1.1 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 29° /22° 0.2 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 0.2 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 30° /23° 1.4 mm 7
9 Sept. Sunny
Sunny
 30° /23° 1 mm 7
10 Sept. Cloudy
Cloudy
 28° /22° 25.2 mm 7
11 Sept. Sunny
Sunny
 29° /23° 6 mm 7
12 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 3 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 2.5 mm 6
14 Sept. Patchy rain possible
Patchy rain possible
 30° /23° 0.4 mm 7
15 Sept. Light rain shower
Light rain shower
 29° /24° 4 mm 6
16 Sept. Patchy light drizzle
Patchy light drizzle
 30° /24° 2.1 mm 7
17 Sept. Light rain shower
Light rain shower
 29° /24° 2.6 mm 6
18 Sept. Moderate rain
Moderate rain
 28° /23° 9.6 mm 0.7
19 Sept. Patchy rain possible
Patchy rain possible
 26° /23° 1.7 mm 1.1
20 Sept. Moderate rain
Moderate rain
 27° /21° 6.6 mm 0.8
21 Sept. Sunny
Sunny
 25° /19° 0.1 mm 1.7
22 Sept. Sunny
Sunny
 25° /19° 0 mm 6
23 Sept. Partly cloudy
Partly cloudy
 25° /18° 0 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 25° /21° 2.4 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 27° /22° 0.5 mm 5
26 Sept. Sunny
Sunny
 28° /20° 0 mm 6
27 Sept. Sunny
Sunny
 25° /18° 0 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 24° /20° 0.3 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 0.1 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 26° /20° 0.6 mm 5
Next
Important Notice
Our weather forecast for Iwakuni Shi 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 Iwakuni Shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Iwakuni Shi weather in September vs August vs October

Compare September weather in Iwakuni Shi 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
Temperatures30°/24°28°/22°22°/16°
Rainfall163 mm49 mm86 mm
Wind10.7 km/h10.8 km/h15.6 km/h
Humidity79%80%76%
Rainy days16 days9 days12 days
Dry days15 days21 days19 days

Planning a trip to Iwakuni Shi? Discover the best time to visit

Iwakuni Shi in September - FAQ

What are the expected maximum and minimum temperatures in Iwakuni Shi during September?
During September, expect a variety of temperatures with highs around 28° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Iwakuni Shi during September?
In September, Iwakuni Shi can expect light to moderate rainfall, totaling 49.2 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Iwakuni Shi during September?
The average wind speed in Iwakuni Shi during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Iwakuni Shi in September?

As you prepare for your trip to Iwakuni Shi 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 Iwakuni Shi, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • 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
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Iwakuni Shi

Explore the daily rainfall trends and prepare for Iwakuni Shis September weather 💧

UV exposure in Iwakuni Shi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Iwakuni Shi
Select a location for an accurate weather forecast
Iwakuni
More Locations

Quick links

More Iwakuni Shi weather pages
You are here
Location coordinates Where is Iwakuni Shi?

Get accurate weather forecasts for Iwakuni Shi, located at latitude 34.163 and longitude 132.22. Stay updated with localized weather information tailored for Iwakuni Shi.

Found a mistake?
We appreciate your attention to details. Tell us here.