September Weather in Tulagi, Solomon Islands

Last updated: August 31, 2025

Experience the average temperature in Tulagi, Solomon Islands during September, which reaches a comfortable 27°C (81°F). Expect a minimum of 25°C (78°F) and a maximum of 29°C (85°F). However, prepare for the average precipitation of 268 mm (10.6 in) spread over 25 days, and a high average humidity of 84%.

September Temperature in Tulagi

In September in Tulagi, the average temperature is 27°C (81°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as 25°C (78°F). This pleasant weather makes it an ideal destination for travelers looking to enjoy a warm climate.

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

The chart illustrates September temperature patterns in Tulagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tulagi, September typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (78°F).

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

September Precipitation in Tulagi

In Tulagi in September, the precipitation amount is 268 mm (10.6 in) distributed over 25 days.

September Precipitation Trends in Tulagi

The chart displays monthly precipitation patterns in Tulagi, 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 Tulagi, September typically receives around 268 mm (10.6 inches) of precipitation spread over approximately 25 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 Tulagi

In Tulagi in September humidity is 84%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, moist blanket, making travel uncomfortable and sticky, as every step seems to weigh you down with the heavy air.

September Average Humidity in Tulagi

This chart illustrates the average monthly humidity levels in Tulagi, 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 Tulagi is approximately 84%, 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 Tulagi

In Tulagi in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Tulagi.

Maximum UV Index Levels in Tulagi for September

The chart shows the monthly maximum UV Index (UVI) for Tulagi 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 Tulagi typically reaches 15, which falls under the extreme exposure category.

Data source: Tulagi 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 Tulagi Compares to Other Months

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

This table compares monthly weather conditions in Tulagi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	348 mm (13.7 inches)	78%	extreme
February Weather	28°C (82°F)	554 mm (21.8 inches)	76%	extreme
March Weather	28°C (82°F)	444 mm (17.5 inches)	76%	extreme
April Weather	28°C (82°F)	409 mm (16.1 inches)	76%	extreme
May Weather	28°C (82°F)	273 mm (10.7 inches)	76%	extreme
June Weather	27°C (82°F)	253 mm (10.0 inches)	81%	extreme
July Weather	27°C (81°F)	250 mm (9.8 inches)	84%	extreme
August Weather	27°C (81°F)	229 mm (9.0 inches)	84%	extreme
September Weather	27°C (81°F)	268 mm (10.6 inches)	84%	extreme
October Weather	27°C (81°F)	248 mm (9.8 inches)	84%	extreme
November Weather	27°C (82°F)	312 mm (12.3 inches)	80%	extreme
December Weather	28°C (82°F)	516 mm (20.3 inches)	78%	extreme