Weather in Hanoi on 12 September 2026
Preliminary outlook for 12 September 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +25°C, average precipitation 3 mm, wind around 2 m/s, humidity around 84%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+28°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 2.6 mm
Wind: 3 — 5 m/s
Humidity: 87%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 4 h |
| UV index | 6 | Cloud cover (avg.) | 70% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 137° ↘ (SSE) |
Sunrise
05:43
Duration
12 h 19 min
Sunset
18:02
Moonrise
21:19
Moonset
10:06
Moon phase
Waning Gibbous
Illumination
57%
+25°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +23°C
Precipitation: 4.5 mm
Wind: 3 — 3 m/s
Humidity: 95%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 89% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 306° ← (WNW) |
Sunrise
05:43
Duration
12 h 19 min
Sunset
18:02
Moonrise
13:28
Moonset
No moonset
Moon phase
First Quarter
Illumination
63%
+28°C
Weather archive — for 2023 year
Moderate or heavy rain shower
Weather archive — for 2023 year
Nighttime: +26°C
Precipitation: 3.8 mm
Wind: 2 — 2 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 65° ↗ (NE) |
Sunrise
05:43
Duration
12 h 20 min
Sunset
18:03
Moonrise
03:11
Moonset
16:39
Moon phase
Waning Crescent
Illumination
2%
+26°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0.3 mm
Wind: 1 — 2 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 71% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 249° ↗ (NE) |
Sunrise
05:43
Duration
12 h 20 min
Sunset
18:03
Moonrise
19:31
Moonset
07:16
Moon phase
Waxing Gibbous
Illumination
83%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +36°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +36°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 250° ← (WNW) |
Sunrise
05:43
Duration
12 h 20 min
Sunset
18:03
Moonrise
10:42
Moonset
22:02
Moon phase
Waxing Crescent
Illumination
37%
+29°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 9.3 mm
Wind: 3 — 3 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 4 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 130° ↘ (SSE) |
Sunrise
05:43
Duration
12 h 19 min
Sunset
18:02
Moonrise
00:13
Moonset
14:02
Moon phase
Last Quarter
Illumination
20%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 0.6 mm
Wind: 2 — 3 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 60% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 101° → (ESE) |
Sunrise
05:43
Duration
12 h 20 min
Sunset
18:03
Moonrise
17:10
Moonset
03:55
Moon phase
Waxing Gibbous
Illumination
92%
Weather in Hanoi on 12 September in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+25°C
|
+28°C | 4 h | 6 | 87% | 3 — 5 m/s |
| 2024 |
+28°C
|
+23°C
|
+25°C | 6 h | 5 | 95% | 3 — 3 m/s |
| 2023 |
+31°C
|
+26°C
|
+28°C | 9 h | 6 | 86% | 2 — 2 m/s |
| 2022 |
+30°C
|
+24°C
|
+26°C | 9 h | 7 | 86% | 1 — 2 m/s |
| 2021 |
+36°C
|
+26°C
|
+30°C | 13 h | 8 | 73% | 2 — 3 m/s |
| 2020 |
+32°C
|
+26°C
|
+29°C | 4 h | 6 | 81% | 3 — 3 m/s |
| 2019 |
+32°C
|
+25°C
|
+28°C | 6 h | 6 | 82% | 2 — 3 m/s |