Nong Khai
September
Weather in Nong Khai for September 2026
Your guide to Nong Khai weather in September - trends and predictions
In general, the average temperature in Nong Khai at the beginning of September is 30.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.9 °C by the end of September.
Nong Khai experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 440.7 mm.
Is September a good time to visit Nong Khai? check out the best time to travel to Nong Khai page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
0
Dry days
30
Rainy days
0
Snow days
29°/23°
Temperatures
10 km/h
Avg max wind
87 %
Avg humidity
Nong Khai Weather September
Move between months or click on a day
Temperatures trend during September in Nong Khai
See the weather trend as well as the moving average line
September weather in Nong Khai day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 31° /22° | 7 mm | 7 | |
| 2 Sept. |  Patchy light rain with thunder | 31° /23° | 23.2 mm | 7 | |
| 3 Sept. | Patchy rain possible | 29° /24° | 7.4 mm | 6 | |
| 4 Sept. | Light rain shower | 30° /23° | 16.6 mm | 7 | |
| 5 Sept. | Patchy light rain with thunder | 31° /24° | 8.8 mm | 7 | |
| 6 Sept. | Light rain shower | 29° /24° | 9.2 mm | 6 | |
| 7 Sept. | Light rain shower | 32° /23° | 3.6 mm | 7 | |
| 8 Sept. | Light rain shower | 31° /23° | 3 mm | 7 | |
| 9 Sept. | Light rain shower | 27° /23° | 13.7 mm | 6 | |
| 10 Sept. |  Moderate or heavy rain shower | 25° /23° | 31.2 mm | 6 | |
| 11 Sept. | Light rain shower | 30° /23° | 7.6 mm | 7 | |
| 12 Sept. | Patchy light rain with thunder | 32° /23° | 8.7 mm | 7 | |
| 13 Sept. | Patchy light rain with thunder | 31° /24° | 14.4 mm | 7 | |
| 14 Sept. | Patchy rain possible | 30° /23° | 6 mm | 7 | |
| 15 Sept. | Moderate or heavy rain shower | 26° /23° | 6.7 mm | 6 | |
| 16 Sept. | Light rain shower | 27° /23° | 13.6 mm | 6 | |
| 17 Sept. |  Thundery outbreaks possible | 30° /23° | 3.8 mm | 7 | |
| 18 Sept. | Moderate or heavy rain shower | 30° /23° | 29.8 mm | 7 | |
| 19 Sept. | Patchy light rain with thunder | 30° /23° | 27.6 mm | 7 | |
| 20 Sept. | Light rain shower | 28° /23° | 24.8 mm | 6 | |
| 21 Sept. | Patchy light rain with thunder | 29° /23° | 11.8 mm | 6 | |
| 22 Sept. | Patchy light rain with thunder | 31° /24° | 16.4 mm | 7 | |
| 23 Sept. | Light rain shower | 28° /23° | 15.3 mm | 6 | |
| 24 Sept. | Light rain shower | 27° /23° | 17.3 mm | 6 | |
| 25 Sept. | Light rain shower | 29° /23° | 9.8 mm | 6 | |
| 26 Sept. | Light rain shower | 28° /22° | 14 mm | 6 | |
| 27 Sept. | Light rain shower | 29° /22° | 10.6 mm | 6 | |
| 28 Sept. | Light rain shower | 32° /22° | 1.5 mm | 7 | |
| 29 Sept. | Light rain shower | 24° /22° | 44.8 mm | 5 | |
| 30 Sept. | Light rain shower | 26° /22° | 32.5 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Nong Khai 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 Nong Khai forecast closer to your planned date for the most up-to-date weather information.
Change Month
Nong Khai weather in September vs August vs October
Compare September weather in Nong Khai with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Light rain shower | Light rain shower | Patchy rain possible |
| Temperatures | 30°/23° | 29°/23° | 29°/22° |
| Rainfall | 351 mm | 441 mm | 182 mm |
| Wind | 12.6 km/h | 10.2 km/h | 9.9 km/h |
| Humidity | 82% | 87% | 81% |
| Rainy days | 29 days | 30 days | 23 days |
| Dry days | 2 days | 0 days | 8 days |
Planning a trip to Nong Khai? Discover the best time to visit
Nong Khai in September - FAQ
What are the expected maximum and minimum temperatures in Nong Khai during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nong Khai during September?
Significant rainfall exceeding 440.7 mm is expected in Nong Khai during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nong Khai during September?
The average wind speed in Nong Khai during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nong Khai in September?
As you prepare for your trip to Nong Khai 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 Nong Khai, 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
- Sandals/Flip-flops: Comfortable for warm climates
- 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 Nong Khai
Explore the daily rainfall trends and prepare for Nong Khais September weather 💧
UV exposure in Nong Khai during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Nong Khai weather pages
You are here
Where is Nong Khai?Get accurate weather forecasts for Nong Khai, located at latitude 17.878 and longitude 102.742. Stay updated with localized weather information tailored for Nong Khai.
Found a mistake?
We appreciate your attention to details. Tell us here.