September Weather in Si Somdet, Thailand

Last updated: August 27, 2025

In Si Somdet, Thailand, the average temperature in September reaches a warm 28°C (83°F), where minimums can dip to 24°C (75°F) and maximums soar to 35°C (95°F). During this time, expect 308 mm (12.1 in) of precipitation spread over 24 days, accompanied by a high average humidity of 89%.

September Temperature in Si Somdet

In September in Si Somdet, the average temperature is 28°C (83°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 24°C (75°F). This warm and pleasant climate makes it an ideal time for exploring and enjoying outdoor activities in Si Somdet.

September Weather in Si Somdet: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Si Somdet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Somdet, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Si Somdet

In Si Somdet in September, the precipitation amount is 308 mm (12.1 in) over the course of 24 days.

September Precipitation Trends in Si Somdet

The chart displays monthly precipitation patterns in Si Somdet, 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 Si Somdet, September typically receives around 308 mm (12.1 inches) of precipitation spread over approximately 24 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Si Somdet

In Si Somdet in September, humidity is 89%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel sticky and strenuous, and requiring constant hydration to stay comfortable while exploring.

September Average Humidity in Si Somdet

This chart illustrates the average monthly humidity levels in Si Somdet, 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 Si Somdet is approximately 89%, 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 Si Somdet

In Si Somdet in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Si Somdet.

Maximum UV Index Levels in Si Somdet for September

The chart shows the monthly maximum UV Index (UVI) for Si Somdet 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 Si Somdet typically reaches 13, which falls under the extreme exposure category.

Data source: Si Somdet 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 Si Somdet Compares to Other Months

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

This table compares monthly weather conditions in Si Somdet, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (76°F)	4 mm (0.2 inches)	56%	very high
February Weather	26°C (78°F)	9 mm (0.3 inches)	50%	extreme
March Weather	29°C (84°F)	37 mm (1.5 inches)	41%	extreme
April Weather	29°C (85°F)	72 mm (2.8 inches)	44%	extreme
May Weather	29°C (85°F)	163 mm (6.4 inches)	71%	extreme
June Weather	30°C (86°F)	137 mm (5.4 inches)	83%	extreme
July Weather	29°C (84°F)	264 mm (10.4 inches)	87%	extreme
August Weather	29°C (84°F)	211 mm (8.3 inches)	90%	extreme
September Weather	28°C (83°F)	308 mm (12.1 inches)	89%	extreme
October Weather	27°C (81°F)	174 mm (6.9 inches)	83%	extreme
November Weather	26°C (79°F)	27 mm (1.1 inches)	74%	very high
December Weather	24°C (76°F)	7 mm (0.3 inches)	68%	very high