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Honolulu in September average weather

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Temperatures trend during September in Honolulu

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September weather day by day

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August October

Date	Weather	Temperatures	Rain	UV
Sept. 1	Light rain shower	27° /23°	2.9 mm	6
Sept. 2	Patchy rain possible	27° /23°	0.3 mm	6
Sept. 3	Patchy rain possible	27° /23°	0.4 mm	6
Sept. 4	Patchy rain possible	27° /23°	0.4 mm	6
Sept. 5	Partly cloudy	27° /23°	0.3 mm	7
Sept. 6	Cloudy	27° /23°	0.2 mm	6
Sept. 7	Overcast	27° /23°	0.2 mm	6
Sept. 8	Patchy rain possible	27° /23°	0.6 mm	7
Sept. 9	Cloudy	27° /23°	0.3 mm	6
Sept. 10	Partly cloudy	27° /23°	0.2 mm	7
Sept. 11	Patchy rain possible	27° /23°	1 mm	7
Sept. 12	Cloudy	27° /23°	0.1 mm	6
Sept. 13	Partly cloudy	27° /24°	0.3 mm	7
Sept. 14	Partly cloudy	27° /24°	0.5 mm	7
Sept. 15	Partly cloudy	27° /24°	1 mm	7
Sept. 16	Light rain shower	28° /24°	1.3 mm	6
Sept. 17	Cloudy	27° /23°	0.6 mm	6
Sept. 18	Patchy rain possible	27° /24°	0.9 mm	6
Sept. 19	Patchy rain possible	27° /23°	0.5 mm	6
Sept. 20	Patchy rain possible	27° /23°	0.5 mm	6
Sept. 21	Patchy rain possible	26° /23°	0.9 mm	6
Sept. 22	Patchy rain possible	26° /23°	0.5 mm	6
Sept. 23	Light rain shower	26° /23°	1.4 mm	6
Sept. 24	Patchy rain possible	26° /23°	1 mm	6
Sept. 25	Patchy rain possible	27° /23°	0.3 mm	6
Sept. 26	Patchy rain possible	27° /23°	0.6 mm	6
Sept. 27	Light rain shower	27° /23°	1.3 mm	6
Sept. 28	Patchy rain possible	27° /23°	0.5 mm	6
Sept. 29	Patchy rain possible	27° /23°	0.5 mm	6
Sept. 30	Patchy rain possible	27° /23°	1.4 mm	6
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Important Notice

Our weather forecast for Honolulu 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 Honolulu forecast closer to your planned date for the most up-to-date weather information.

Honolulu in September - FAQ

What are the expected maximum and minimum temperatures in Honolulu during September?

During September, expect a variety of temperatures with highs around 27° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Honolulu during September?

In September, Honolulu can expect light to moderate rainfall, totaling 22.5 mm across approximately 20 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Honolulu during September?

The average wind speed in Honolulu during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Honolulu

Explore the daily rainfall trends and prepare for Honolulus September weather 💧

UV exposure in Honolulu during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Honolulu, located at latitude 21.307 and longitude -157.858. Stay updated with localized weather information tailored for Honolulu.

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Mon.	Tue.	Wed.	Thu.	Fri.	Sat.	Sun.
1 27°	2 27°	3 27°	4 27°	5 27°	6 27°	7 27°
8 27°	9 27°	10 27°	11 27°	12 27°	13 27°	14 27°
15 27°	16 28°	17 27°	18 27°	19 27°	20 27°	21 26°
22 26°	23 26°	24 26°	25 27°	26 27°	27 27°	28 27°
29 27°	30 27°