Weather in Shinjuku for September 2027
In general, the average temperature in Shinjuku at the beginning of September is 26.5 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24 °C by the end of September.
The climate of Shinjuku in September is notably wet, with an average of 14 rainy days, and a total of 330.4 mm of precipitation.
Is September a good time to visit Shinjuku? check out the best time to travel to Shinjuku page.
✨ Is September a good time to visit Shinjuku? – Ask the AI Weatherman
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Shinjuku Weather September
Temperatures trend during September in Shinjuku
September weather in Shinjuku day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 27° /25° | 5.8 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 27° /26° | 0.1 mm | 5 | |
| 3 Sept. |  Moderate rain | 28° /25° | 20.6 mm | 5 | |
| 4 Sept. | Moderate rain | 26° /24° | 10 mm | 4 | |
| 5 Sept. |  Heavy rain | 26° /23° | 25 mm | 5 | |
| 6 Sept. | Moderate rain | 26° /24° | 23.1 mm | 5 | |
| 7 Sept. | Moderate rain | 26° /24° | 24.9 mm | 5 | |
| 8 Sept. | Light rain | 28° /25° | 2.7 mm | 5 | |
| 9 Sept. |  Moderate rain at times | 28° /24° | 6.2 mm | 5 | |
| 10 Sept. | Light rain | 26° /24° | 5.5 mm | 4 | |
| 11 Sept. | Moderate rain | 26° /24° | 13.3 mm | 5 | |
| 12 Sept. | Light rain | 25° /24° | 6.3 mm | 5 | |
| 13 Sept. |  Sunny | 27° /24° | 0.7 mm | 5 | |
| 14 Sept. |  Overcast | 27° /26° | 0 mm | 6 | |
| 15 Sept. | Light rain | 27° /25° | 2.5 mm | 4 | |
| 16 Sept. | Moderate rain | 26° /23° | 15.7 mm | 4 | |
| 17 Sept. | Patchy rain possible | 26° /23° | 1.5 mm | 5 | |
| 18 Sept. |  Partly cloudy | 26° /23° | 0.8 mm | 5 | |
| 19 Sept. | Moderate or heavy rain shower | 26° /23° | 5.3 mm | 4 | |
| 20 Sept. | Heavy rain | 26° /24° | 35.6 mm | 5 | |
| 21 Sept. | Heavy rain | 28° /24° | 58.9 mm | 4 | |
| 22 Sept. | Patchy rain possible | 27° /23° | 1.4 mm | 4 | |
| 23 Sept. | Light rain | 24° /21° | 5 mm | 4 | |
| 24 Sept. | Patchy rain possible | 24° /21° | 0.1 mm | 5 | |
| 25 Sept. | Patchy rain possible | 24° /21° | 0.2 mm | 4 | |
| 26 Sept. | Light rain | 25° /22° | 4.5 mm | 5 | |
| 27 Sept. | Moderate rain | 24° /22° | 14.5 mm | 4 | |
| 28 Sept. | Moderate rain | 25° /22° | 17.7 mm | 4 | |
| 29 Sept. | Moderate rain | 24° /21° | 17.3 mm | 4 | |
| 30 Sept. | Light rain | 22° /21° | 5.4 mm | 4 | |
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Shinjuku weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 28°/25° | 26°/23° | 22°/19° |
| Rainfall | 149 mm | 330 mm | 161 mm |
| Wind | 25.8 km/h | 29.4 km/h | 30 km/h |
| Humidity | 81% | 82% | 74% |
| Rainy days | 14 days | 14 days | 13 days |
| Dry days | 17 days | 16 days | 18 days |
Planning a trip to Shinjuku? Discover the best time to visit
Shinjuku in September - FAQ
What are the expected maximum and minimum temperatures in Shinjuku during September?
How much rainfall should be expected in Shinjuku during September?
What are the typical wind conditions in Shinjuku during September?
September rainfall patterns in Shinjuku
UV exposure in Shinjuku during September
What to pack to Shinjuku in September?
Warm & sunny · highs around 26 °C, frequent showers
As you prepare for your trip to Shinjuku 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 Shinjuku, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
🧴 Personal Items
Where is Shinjuku?Get accurate weather forecasts for Shinjuku, located at latitude 35.295 and longitude 139.571. Stay updated with localized weather information tailored for Shinjuku.