September Weather in Lamphun, Thailand

Last updated: August 27, 2025

In September, the average temperature in Lamphun, Thailand hovers around 27°C (82°F), with minimum values dipping to 22°C (73°F) and maximum peaks reaching 35°C (96°F). Expect precipitation of 203 mm (8.0 in) over 22 days, coupled with an average humidity level of 83%. Be prepared for a warm and humid month!

September Temperature in Lamphun

In September in Lamphun, the average temperature is 27°C (82°F). Maximum can reach 35°C (96°F) and minimum can be as low as 22°C (73°F). It's a great time to enjoy warm-weather activities and explore the local attractions.

September Weather in Lamphun: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lamphun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamphun, September typically has an average temperature of 27°C (82°F), with highs reaching up to 35°C (96°F) and lows dropping to around 22°C (73°F).

Data source: Temperature data for Lamphun generated using information from the Copernicus Climate Change Service.

September Precipitation in Lamphun

In Lamphun in September, the total precipitation amount is 203 mm (8.0 in) spread over 22 days.

September Precipitation Trends in Lamphun

The chart displays monthly precipitation patterns in Lamphun, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Lamphun, September typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 22 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Lamphun

In Lamphun in September humidity is 83%. With an average temperature of 27°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities exhausting and encouraging visitors to seek the comfort of shade or air conditioning while exploring the area.

September Average Humidity in Lamphun

This chart illustrates the average monthly humidity levels in Lamphun, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Lamphun is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lamphun

In Lamphun in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Lamphun, you can check here.

Maximum UV Index Levels in Lamphun for September

The chart shows the monthly maximum UV Index (UVI) for Lamphun in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Lamphun typically reaches 14, which falls under the extreme exposure category.

Data source: Lamphun September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Lamphun Compares to Other Months

Weather in Lamphun varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lamphun, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lamphun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	12 mm (0.5 inches)	51%	very high
February Weather	24°C (76°F)	3 mm (0.1 inches)	46%	extreme
March Weather	28°C (82°F)	2 mm (0.1 inches)	38%	extreme
April Weather	29°C (85°F)	72 mm (2.8 inches)	36%	extreme
May Weather	29°C (85°F)	125 mm (4.9 inches)	63%	extreme
June Weather	29°C (84°F)	146 mm (5.7 inches)	81%	extreme
July Weather	28°C (83°F)	194 mm (7.6 inches)	83%	extreme
August Weather	27°C (82°F)	255 mm (10.0 inches)	91%	extreme
September Weather	27°C (82°F)	203 mm (8.0 inches)	83%	extreme
October Weather	27°C (80°F)	169 mm (6.7 inches)	67%	extreme
November Weather	25°C (77°F)	36 mm (1.4 inches)	60%	very high
December Weather	22°C (72°F)	15 mm (0.6 inches)	56%	very high