Weather in Iwate for September 2027
In general, the average temperature in Iwate at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °C by the end of September.
Iwate in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 224.7 mm.
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Iwate Weather September
Temperatures trend during September in Iwate
September weather in Iwate day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Fog | 27° /18° | 0.8 mm | 2 | |
| 2 Sept. |  Light rain shower | 26° /18° | 3 mm | 3 | |
| 3 Sept. | Light rain shower | 25° /15° | 30 mm | 4 | |
| 4 Sept. |  Overcast | 25° /14° | 0.3 mm | 4 | |
| 5 Sept. |  Moderate or heavy rain shower | 23° /14° | 7.7 mm | 5 | |
| 6 Sept. | Patchy rain possible | 25° /13° | 0 mm | 6 | |
| 7 Sept. | Light rain shower | 22° /15° | 28.1 mm | 2 | |
| 8 Sept. | Fog | 26° /16° | 8.9 mm | 2 | |
| 9 Sept. | Light rain shower | 22° /15° | 18.8 mm | 1 | |
| 10 Sept. | Moderate or heavy rain shower | 22° /15° | 9.3 mm | 2 | |
| 11 Sept. |  Light rain | 20° /14° | 13.7 mm | 3 | |
| 12 Sept. |  Sunny | 25° /13° | 0 mm | 5 | |
| 13 Sept. | Light rain | 23° /14° | 2.8 mm | 2 | |
| 14 Sept. | Patchy rain possible | 24° /16° | 32.1 mm | 3 | |
| 15 Sept. | Mist | 23° /15° | 7.8 mm | 3 | |
| 16 Sept. | Mist | 24° /15° | 0.6 mm | 3 | |
| 17 Sept. | Light rain shower | 24° /15° | 2.3 mm | 3 | |
| 18 Sept. | Moderate or heavy rain shower | 21° /11° | 16.7 mm | 2 | |
| 19 Sept. | Sunny | 23° /12° | 1 mm | 3 | |
| 20 Sept. |  Moderate rain | 21° /14° | 27.7 mm | 2 | |
| 21 Sept. | Patchy rain possible | 21° /14° | 18.1 mm | 3 | |
| 22 Sept. | Patchy rain possible | 23° /11° | 0 mm | 4 | |
| 23 Sept. | Mist | 21° /10° | 0 mm | 4 | |
| 24 Sept. |  Partly cloudy | 22° /11° | 0.2 mm | 3 | |
| 25 Sept. | Light rain shower | 19° /11° | 7.1 mm | 1 | |
| 26 Sept. | Patchy rain possible | 21° /12° | 0.1 mm | 3 | |
| 27 Sept. | Patchy rain possible | 21° /12° | 0.2 mm | 3 | |
| 28 Sept. | Partly cloudy | 21° /11° | 2.5 mm | 3 | |
| 29 Sept. | Light rain shower | 18° /10° | 9.2 mm | 2 | |
| 30 Sept. | Patchy rain possible | 20° /9° | 0.1 mm | 4 | |
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Iwate weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/18° | 24°/14° | 16°/7° |
| Rainfall | 110 mm | 225 mm | 169 mm |
| Wind | 11.5 km/h | 11.8 km/h | 9.7 km/h |
| Humidity | 81% | 84% | 83% |
| Rainy days | 13 days | 17 days | 12 days |
| Dry days | 18 days | 13 days | 19 days |
Planning a trip to Iwate? Discover the best time to visit
Iwate in September - FAQ
What are the expected maximum and minimum temperatures in Iwate during September?
How much rainfall should be expected in Iwate during September?
What are the typical wind conditions in Iwate during September?
September rainfall patterns in Iwate
UV exposure in Iwate during September
What to pack to Iwate in September?
Mild & changeable · highs around 24 °C, frequent showers
As you prepare for your trip to Iwate 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 Iwate, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Iwate?Get accurate weather forecasts for Iwate, located at latitude 39.7 and longitude 141.15. Stay updated with localized weather information tailored for Iwate.